### G:\2010\0102974\15096H Delisting Petition.doc 

# Analytical Results Attachment 4 August 12, 2010 Project No. 0102974

Environmental Resources Management Southwest, Inc.

15810 Park Ten Place, Suite 300 Houston, Texas 77084-5140 (281) 600-1000

# ALS Laborator y Grou p

Environmental Division ANALYTICAL CHEMISTRY & TESTING SERVICES



### 05-Mar-2010 ERM Southwest, Inc. Tracy Jackson

Dear Tracy, 

# Re: F039 Delisting Project Work Order: 1002086 

# Fax: (281) 600-1001 

# Tel: (281) 600-1000 15810 Park Ten Place Houston, TX 77084 Suite 300

ALS Laboratory Group received 2 samples on 02-Feb-2010 12:05 PM for the analyses presented in the following report.

Project Manager Hector Coronado 

# Hector Coronado
Electronically approved by: Glenda H. Ramos
Certificate No: TX: T104704231-09-1 

### The analytical data provided relates directly to the samples received by ALS Laboratory Group and for only the analyses requested. Results are expressed as "as received" unless otherwise noted. QC sample results for this data met EPA or laboratory specifications except as noted in the Case Narrative or as noted with qualifiers in the QC batch information. Should this laboratory report need to be reproduced, it should be reproduced in full unless written approval has been obtained by ALS Laboratory Group. Samples will be disposed in 30 days unless storage arrangements are made. The total number of pages in this report is 50
. If you have any questions regarding this report, please feel free to call me. Sincerely,

10450 Stancliff Rd, Suite 210 Houston, Texas 77099-4338 ALS Group USA, Corp. Part of the ALS Laboratory Group Phone: (281) 530-5656 Fax: (281) 530-5887 www.alsglobal.com www.elabi.com

A Campbell Brothers Limited Company

## Date: 05-Mar-10 

# ALS Laboratory Group Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# Work Order Sample Summary Lab Samp ID Client Sample ID Collection Date Tag Number Date Received Matrix Hold 1002086-01 Underflow Delisting-01 Wate r 2/2/2010 10:30 2/2/2010 12:05 1002086-02 Trip Blank Wate r 2/2/2010 10:30 2/2/2010 12:05

SS Page 1 of 1

## Da te : 0 5
-M a r-10 

# A L S L a b o r a t o r y G r o up
Pr oj ec t: F 039 D e l i s ting P ro j ect C li en t: E RM S out hw es t, In c. W o rk Order: 100 2 086 

# Ca s e Na r r a tive
T h e a nalyses f

o r Dio x i n a n d F ura n s were p e rf o r m e d at A L S La b o r ato ry G r o u p i n B u r li n g t o n, C a n a da. S e et h e att a c h ed r e p o r t f o r th e re s u l ts. B atc h 4 0 8 99 , H e r b i c i de s, M S / M S D s a m p l es were n o t a n a l yze d d uet o li m i t e d s amp l e v o l u me . A L C S a nd LC S D we re a n a l yzed a nd re p o rted f o r t h i s an a l yt i c a l b atch. B atc h 4 0 9 27 , P est i c i d e s, M S / M S D sa mp l es we r e n otan alyzed d u e to li m i te d s a m p l ev o l u m e. A L C S a nd LC S D we re a n a l yzed a nd re p o rted f o r t h i s an a l yt i c a l b atch. P - f l a g d u eto c o e l u tio n . R e sults we re re po r t e d f ro m th e no n - c oe l utin g c o l u m n. B atc h 4 0 9 40 , P C B s, M S / M S D sa mp l e s we r e n ot a n alyze d d ue t oli m i te d sa m p l evo l u m e . A LC S a n d LC S D we r e an a l yze d a nd r e po r te d f o r th i s a n a l yt i c a l ba tch. B atc h 4 1 1 17 , M e r c ur

y, ( s a m p l e10 0 2 3 68 -0 2 ) , M S / M S D i s fo r a n un r e l a t e d s am ple. B atc h R86 7 1 5 , V o l ati l e O rg an i c, ( sa mp l e1 0 0 2 12 5- 01 ) , M S / M S D is f or an u n re l ate d s a m p l e. B atc h R86 6 7 6 , A n i on, ( sa m p l e1 0 0 20 93 - 02 ) , M S / M S D is fo r a n u n r e l a ted s a m p l e. B atc h 4 0 9 47 a, S em i -V olat il e, L C S /L C S D r ecove r i e s we r e b e l ow th e co n t r o l l i m i ts f o r m eth ap y r i len e ( 3 7.7 / 3 4
. 9 % ) a n d i s co n s i d e r ed a m a rg i na l e x ce e d en ce, ( 4 s i g ma ) a ll owe d by t h e S O P. B atc h 4 0 9 47 a, S em i -V olat il e, L C S /L C S D R P Ds we r e a bov e th eco n t ro l li m i ts f o r K e p on e , NN i t ro sopy rr o l id i e n an d P y r i d i n e . T h e ind i v i d ua l recove r i e s we r e w i t h in c o nt r o l. B atc h 4 0 9 47 a, S em i -V olat il e, L C S /L C S D r ecove r i e s we r ea b ove t hec o nt ro l li m i ts fo r 2 , 4- D i me thyla n ili n e a n d 4,4 ' me t h y l en e b i s ( 2 - chlo r o a n ili n e )
. T h e a ssoc i a t e d s a m p l es we r e ND fo r t h ese c o m p o un ds. LC S / L C S D R P Ds we re a b o v e t h e cont r ol li m its f o r seve r a l c om p o u n ds.

CN Pa g e 1 of 1

## Project: F039 Delisting Project Sample ID: Underflow Delisting-01 Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-01 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep MISCELLANEOUS PESTICIDES SW8081 Analyst: JLJ

2,4 ́-DDD n 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM 2,4 ́-DDE n 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM 2,4 ́-DDT n 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM 

### ORGANOCHLORINE PESTICIDES SW8081 Analyst: JLJ

4,4 ́-DDD 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM 4,4 ́-DDE 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM 4,4 ́-DDT 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Aldrin 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM alpha-BHC 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM beta-BHC 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Chlordane 0.00050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM delta-BHC 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Dieldrin 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Endosulfan I 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Endosulfan II 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Endosulfan sulfate 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Endrin 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Endrin aldehyde 0.00010 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM gamma-BHC 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Heptachlor 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Heptachlor epoxide 0.000050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Methoxychlor 0.00050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Toxaphene 0.00050 mg/L 1 ND 2/8/2010 2/9/2010 09:39 AM Surr: Decachlorobiphenyl 54.9-145 %REC 1 85.8 2/8/2010 2/9/2010 09:39 AM Surr: Tetrachloro-m-xylene 51.5-142 %REC 1 84.9 2/8/2010 2/9/2010 09:39 AM 

### CHLORINATED HERBICIDES SW8151 Analyst: JLJ

2,4,5-T 0.00010 mg/L 1 ND 2/5/2010 2/21/2010 07:54 AM 2,4,5-TP (Silvex) 0.00010 mg/L 1 ND 2/5/2010 2/21/2010 07:54 AM 2,4-D 0.00020 mg/L 1 ND 2/5/2010 2/21/2010 07:54 AM Dinoseb 0.00010 mg/L 1 ND 2/5/2010 2/21/2010 07:54 AM Surr: DCAA 50-130 %REC 1 81.5 2/5/2010 2/21/2010 07:54 AM 

### PCBS SW8082 Analyst: JLJ

Aroclor 1016 0.000500 mg/L 1 ND 2/8/2010 2/10/2010 02:01 PM Aroclor 1221 0.000500 mg/L 1 ND 2/8/2010 2/10/2010 02:01 PM Aroclor 1232 0.000500 mg/L 1 ND 2/8/2010 2/10/2010 02:01 PM Aroclor 1242 0.000500 mg/L 1 ND 2/8/2010 2/10/2010 02:01 PM Aroclor 1248 0.000500 mg/L 1 ND 2/8/2010 2/10/2010 02:01 PM Aroclor 1254 0.000500 mg/L 1 ND 2/8/2010 2/10/2010 02:01 PM



## AR Page 1 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: F039 Delisting Project Sample ID: Underflow Delisting-01 Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-01 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep Aroclor 1260 0.000500 mg/L 1 ND 2/8/2010 2/10/2010 02:01 PM Surr: Decachlorobiphenyl 54-140 %REC 1 89.6 2/8/2010 2/10/2010 02:01 PM Surr: Tetrachloro-m-xylene 53-137 %REC 1 89.0 2/8/2010 2/10/2010 02:01 PM 

### MISC. GCFID PARAMETERS SW8015 Analyst: KMB

Methanol 1.0 mg/L 1 ND 2/16/2010 11:03 AM 

### MERCURY SW7470 Analyst: JCJ

Mercury 0.000200 mg/L 1 ND 2/17/2010 2/18/2010 01:54 PM 

### METALS SW6020 Analyst: ALR

Antimony 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Arsenic 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Barium 0.00500 mg/L 1 0.0192 2/4/2010 2/4/2010 10:55 PM Beryllium 0.00200 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Cadmium 0.00200 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Chromium 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Lead 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Nickel 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Selenium 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Silver 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Thallium 0.00200 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM Vanadium 0.00500 mg/L 1 ND 2/4/2010 2/4/2010 10:55 PM 

### SEMIVOLATILES SW8270 Analyst: ACN

1,2,4,5-Tetrachlorobenzene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 1,2,4-Trichlorobenzene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 1,2-Diphenylhydrazine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 1,3-Phenylenediamine n 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 1,4-Dinitrobenzene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,3,4,6-Tetrachlorophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,4,5-Trichlorophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,4,6-Trichlorophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,4-Dichlorophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,4-Dimethylaniline n 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,4-Dimethylphenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,4-Dinitrophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,4-Dinitrotoluene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,6-Dichlorophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2,6-Dinitrotoluene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2-Acetylaminofluorene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2-Chloronaphthalene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2-Chlorophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM



## AR Page 2 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: F039 Delisting Project Sample ID: Underflow Delisting-01 Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-01 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep 2-Methylphenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 2-Naphthylamine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 3&4-Methylphenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 3-Methylcholanthrene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4,4 ́-Methylene-bis(2-chloroaniline) n 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4,6-Dinitro-2-methylphenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4-Aminobiphenyl 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4-Bromophenyl phenyl ether 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4-Chloro-3-methylphenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4-Chloroaniline 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4-Nitroaniline 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 4-Nitrophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM 5-Nitro-o-toluidine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Acenaphthene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Acenaphthylene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Acetophenone 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Aniline 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Anthracene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Aramite 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Benz(a)anthracene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Benzo(a)pyrene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Benzo(b)fluoranthene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Benzo(g,h,i)perylene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Benzo(k)fluoranthene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Bis(2-chloroethoxy)methane 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Bis(2-chloroethyl)ether 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Bis(2-chloroisopropyl)ether 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Bis(2-ethylhexyl)phthalate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Butyl benzyl phthalate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Chlorobenzilate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Chrysene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Di-n-butyl phthalate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Di-n-octyl phthalate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Dibenz(a,h)anthracene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Dibenzo(a,e)pyrene a 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Diethyl phthalate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Dimethyl phthalate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Diphenylamine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Disulfoton 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Ethyl parathion 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Famphur a 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM



## AR Page 3 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: F039 Delisting Project Sample ID: Underflow Delisting-01 Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-01 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep Fluoranthene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Fluorene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Hexachlorobenzene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Hexachlorobutadiene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Hexachlorocyclopentadiene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Hexachloroethane 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Hexachloropropene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Indeno(1,2,3-cd)pyrene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Isodrin 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Isosafrole 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Kepone 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Methapyrilene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Methyl methanesulfonate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Methyl parathion 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitroso-di-n-butylamine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitrosodi-n-propylamine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitrosodimethylamine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitrosodiphenylamine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitrosomethylethylamine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitrosomorpholine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitrosopiperidine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM N-Nitrosopyrrolidine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Naphthalene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Nitrobenzene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM o-Anisidine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM p-Cresidine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Pentachlorobenzene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Pentachloronitrobenzene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Pentachlorophenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Phenacetin 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Phenanthrene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Phenol 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Phorate 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Phthalic anhydride a 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Pronamide 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Pyrene 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Pyridine 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Safrole 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Tris(2,3-dibromopropyl) phosphate a 0.0050 mg/L 1 ND 2/9/2010 3/1/2010 11:03 PM Surr: 2,4,6-Tribromophenol 42-124 %REC 1 75.3 2/9/2010 3/1/2010 11:03 PM Surr: 2-Fluorobiphenyl 48-120 %REC 1 82.6 2/9/2010 3/1/2010 11:03 PM



## AR Page 4 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: F039 Delisting Project Sample ID: Underflow Delisting-01 Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-01 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep Surr: 2-Fluorophenol 20-120 %REC 1 73.5 2/9/2010 3/1/2010 11:03 PM Surr: 4-Terphenyl-d14 51-135 %REC 1 78.0 2/9/2010 3/1/2010 11:03 PM Surr: Nitrobenzene-d5 41-120 %REC 1 70.2 2/9/2010 3/1/2010 11:03 PM Surr: Phenol-d6 20-120 %REC 1 77.5 2/9/2010 3/1/2010 11:03 PM 

### VOLATILES SW8260 Analyst: PC

1,1,1,2-Tetrachloroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,1,1-Trichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,1,2,2-Tetrachloroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,1,2-Trichlor-1,2,2-trifluoroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,1,2-Trichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,1-Dichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,1-Dichloroethene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,2,3-Trichloropropane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,2-Dibromo-3-chloropropane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,2-Dibromoethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,2-Dichlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,2-Dichloropropane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,3-Dichlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 1,4-Dioxane 0.10 mg/L 1 ND 2/4/2010 04:53 PM 2-Butanone 0.010 mg/L 1 ND 2/4/2010 04:53 PM 2-Chloro-1,3-butadiene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM 4-Methyl-2-pentanone 0.010 mg/L 1 ND 2/4/2010 04:53 PM Acetone 0.010 mg/L 1 ND 2/4/2010 04:53 PM Acetonitrile 0.050 mg/L 1 ND 2/4/2010 04:53 PM Acrolein 0.020 mg/L 1 ND 2/4/2010 04:53 PM Acrylonitrile 0.010 mg/L 1 ND 2/4/2010 04:53 PM Allyl Chloride 0.010 mg/L 1 ND 2/4/2010 04:53 PM Benzene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Bromodichloromethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Bromoform 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Bromomethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Carbon disulfide 0.010 mg/L 1 ND 2/4/2010 04:53 PM Carbon tetrachloride 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Chlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Chloroethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Chloroform 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Chloromethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM cis-1,3-Dichloropropene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM



## AR Page 5 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: F039 Delisting Project Sample ID: Underflow Delisting-01 Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-01 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep Cyclohexanone n 0.10 mg/L 1 ND 2/4/2010 04:53 PM Dibromochloromethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Dibromomethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Dichlorodifluoromethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Diethyl Ether 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Ethyl acetate 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Ethyl methacrylate 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Ethylbenzene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Ethylene oxide 0.010 mg/L 1 ND 2/4/2010 04:53 PM Iodomethane 0.010 mg/L 1 ND 2/4/2010 04:53 PM Isobutyl alcohol 0.10 mg/L 1 ND 2/4/2010 04:53 PM Methacrylonitrile 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Methyl methacrylate 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Methylene chloride 0.010 mg/L 1 ND 2/4/2010 04:53 PM n-Butyl alcohol 0.10 mg/L 1 ND 2/4/2010 04:53 PM Propionitrile 0.050 mg/L 1 ND 2/4/2010 04:53 PM Tetrachloroethene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Toluene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM trans-1,2-Dichloroethene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM trans-1,3-Dichloropropene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Trichloroethene 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Trichlorofluoromethane 0.0050 mg/L 1 ND 2/4/2010 04:53 PM Vinyl chloride 0.0020 mg/L 1 ND 2/4/2010 04:53 PM Xylenes, Total 0.015 mg/L 1 ND 2/4/2010 04:53 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 108 2/4/2010 04:53 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 99.6 2/4/2010 04:53 PM Surr: Dibromofluoromethane 71-125 %REC 1 106 2/4/2010 04:53 PM Surr: Toluene-d8 75-125 %REC 1 101 2/4/2010 04:53 PM 

### MISCELLANEOUS ANALYSIS NA Analyst: HN

Miscellaneous Analysis 1 See Attached 3/2/2010 

### ANIONS E300 Analyst: IGF

Fluoride 0.100 mg/L 1 0.513 2/3/2010 05:32 PM Surr: Selenate (surr) 85-115 %REC 1 96.0 2/3/2010 05:32 PM 

### CYANIDE M4500CN E&G Analyst: JBA

Cyanide 0.00500 mg/L 1 ND 2/4/2010 03:00 PM Cyanide, Amenable to Chlorination 0.00500 mg/L 1 ND 2/4/2010 03:00 PM 

### SULFIDE SM4500 S2-F Analyst: IGF

Sulfide 1.00 mg/L 1 ND 2/3/2010



## AR Page 6 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: F039 Delisting Project Sample ID: Trip Blank Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-02 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep VOLATILES SW8260 Analyst: PC

1,1,1,2-Tetrachloroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,1,1-Trichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,1,2,2-Tetrachloroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,1,2-Trichlor-1,2,2-trifluoroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,1,2-Trichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,1-Dichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,1-Dichloroethene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,2,3-Trichloropropane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,2-Dibromo-3-chloropropane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,2-Dibromoethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,2-Dichlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,2-Dichloropropane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,3-Dichlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 1,4-Dioxane 0.10 mg/L 1 ND 2/4/2010 04:29 PM 2-Butanone 0.010 mg/L 1 ND 2/4/2010 04:29 PM 2-Chloro-1,3-butadiene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM 4-Methyl-2-pentanone 0.010 mg/L 1 ND 2/4/2010 04:29 PM Acetone 0.010 mg/L 1 ND 2/4/2010 04:29 PM Acetonitrile 0.050 mg/L 1 ND 2/4/2010 04:29 PM Acrolein 0.020 mg/L 1 ND 2/4/2010 04:29 PM Acrylonitrile 0.010 mg/L 1 ND 2/4/2010 04:29 PM Allyl Chloride 0.010 mg/L 1 ND 2/4/2010 04:29 PM Benzene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Bromodichloromethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Bromoform 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Bromomethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Carbon disulfide 0.010 mg/L 1 ND 2/4/2010 04:29 PM Carbon tetrachloride 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Chlorobenzene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Chloroethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Chloroform 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Chloromethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM cis-1,3-Dichloropropene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Cyclohexanone n 0.10 mg/L 1 ND 2/4/2010 04:29 PM Dibromochloromethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Dibromomethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Dichlorodifluoromethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM



## AR Page 7 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: F039 Delisting Project Sample ID: Trip Blank Collection Date: 2/2/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1002086

Dilution

Factor Lab ID: 1002086-02 

# ALS Laboratory Group Date: 05-Mar-10

Date Prep Diethyl Ether 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Ethyl acetate 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Ethyl methacrylate 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Ethylbenzene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Ethylene oxide 0.010 mg/L 1 ND 2/4/2010 04:29 PM Iodomethane 0.010 mg/L 1 ND 2/4/2010 04:29 PM Isobutyl alcohol 0.10 mg/L 1 ND 2/4/2010 04:29 PM Methacrylonitrile 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Methyl methacrylate 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Methylene chloride 0.010 mg/L 1 ND 2/4/2010 04:29 PM n-Butyl alcohol 0.10 mg/L 1 ND 2/4/2010 04:29 PM Propionitrile 0.050 mg/L 1 ND 2/4/2010 04:29 PM Tetrachloroethene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Toluene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM trans-1,2-Dichloroethene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM trans-1,3-Dichloropropene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Trichloroethene 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Trichlorofluoromethane 0.0050 mg/L 1 ND 2/4/2010 04:29 PM Vinyl chloride 0.0020 mg/L 1 ND 2/4/2010 04:29 PM Xylenes, Total 0.015 mg/L 1 ND 2/4/2010 04:29 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 99.5 2/4/2010 04:29 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 94.1 2/4/2010 04:29 PM Surr: Dibromofluoromethane 71-125 %REC 1 99.2 2/4/2010 04:29 PM Surr: Toluene-d8 75-125 %REC 1 95.4 2/4/2010 04:29 PM



## AR Page 8 of 8 Note: See Qualifiers Page for a list of qualifiers and their explanation.

### Date: 05-Mar-10 

# ALS Laboratory Group Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40899 Instrument ID ECD_9 Method: SW8151

Qual RPD Limit Analysis Date: 2/21/2010 06:02 AM Prep Date: 2/5/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1888563 MBLK Run ID: ECD_9_100220D SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: HBLKW1-100205-40899

2,4,5-T 0.10 ND 2,4,5-TP (Silvex) 0.10 ND 2,4-D 0.20 ND Dinoseb 0.10 ND 0 0 5 Surr: DCAA 80.2 50-130 0.20 4.011

Qual RPD Limit Analysis Date: 2/21/2010 06:39 AM Prep Date: 2/5/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1888564 LCS Run ID: ECD_9_100220D SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: HLCSW1-100205-40899

0 0 2.5 2,4,5-T 67 44-122 0.10 1.675 0 0 2.5 2,4,5-TP (Silvex) 78 49-126 0.10 1.95 0 0 2.5 2,4-D 82.6 39-120 0.20 2.064 0 0 2.5 Dinoseb 82 28-115 0.10 2.051 0 0 5 Surr: DCAA 83.6 50-130 0.20 4.18

Qual RPD Limit Analysis Date: 2/21/2010 07:16 AM Prep Date: 2/5/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1888565 LCSD Run ID: ECD_9_100220D SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: HLCSDW1-100205-40899

1.675 0 2.5 2,4,5-T 66.5 44-122 30 0.10 0.835 1.661 1.95 0 2.5 2,4,5-TP (Silvex) 76.9 49-126 30 0.10 1.35 1.924 2.064 0 2.5 2,4-D 80.8 39-120 30 0.20 2.13 2.021 2.051 0 2.5 Dinoseb 79.7 28-115 30 0.10 2.92 1.992 4.18 0 5 Surr: DCAA 82.2 50-130 30 0.20 1.63 4.112 The following samples were analyzed in this batch: 1002086-01F

QC Page: 1 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40927 Instrument ID ECD_1 Method: SW8081

Qual RPD Limit Analysis Date: 2/9/2010 07:58 AM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1875805 MBLK Run ID: ECD_1_100208A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PBLKW1-100208-40927

4,4 ́-DDD 0.10 ND 4,4 ́-DDE 0.10 ND 4,4 ́-DDT 0.10 ND Aldrin 0.050 ND alpha-BHC 0.050 ND beta-BHC 0.050 ND Chlordane 0.50 ND delta-BHC 0.050 ND Dieldrin 0.10 ND Endosulfan I 0.050 ND Endosulfan II 0.10 ND Endosulfan sulfate 0.10 ND Endrin 0.10 ND Endrin aldehyde 0.10 ND gamma-BHC 0.050 ND Heptachlor 0.050 ND Heptachlor epoxide 0.050 ND Methoxychlor 0.50 ND Toxaphene 0.50 ND 0 0 0.2 Surr: Decachlorobiphenyl 92.8 54.9-145 0.10 0.1855 0 0 0.2 Surr: Tetrachloro-m-xylene 89.5 51.5-142 0.050 0.1791

QC Page: 2 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40927 Instrument ID ECD_1 Method: SW8081

Qual RPD Limit Analysis Date: 2/9/2010 08:31 AM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1875807 LCS Run ID: ECD_1_100208A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSW1-100208-40927

0 0 0.5 4,4 ́-DDD 83.6 53-144 0.10 0.4182 0 0 0.5 4,4 ́-DDE 88.6 55-144 0.10 0.4429 0 0 0.5 4,4 ́-DDT 92.7 53-149 0.10 0.4635 0 0 0.25 Aldrin 83 47-141 0.050 0.2075 0 0 0.25 alpha-BHC 85.4 51-141 0.050 0.2136 0 0 0.25 beta-BHC 87.9 58-144 0.050 0.2199 0 0 0.25 delta-BHC 82.7 48-146 0.050 0.2068 0 0 0.5 Dieldrin 85.6 56-144 0.10 0.4282 0 0 0.25 Endosulfan I 96.9 55-141 0.050 0.2424 0 0 0.5 Endosulfan II 88.1 57-144 0.10 0.4406 0 0 0.5 Endosulfan sulfate 87.7 58-145 0.10 0.4385 0 0 0.5 Endrin 90.8 60-163 0.10 0.4539 0 0 0.5 Endrin aldehyde 90.4 59-158 0.10 0.4521 0 0 0.25 gamma-BHC 89.5 53-142 0.050 0.2238 0 0 0.25 Heptachlor 87.9 51-144 0.050 0.2196 P 0 0 0.25 Heptachlor epoxide 83.2 55-142 0.050 0.208 0 0 2.5 Methoxychlor 92.9 59-150 0.50 2.322 0 0 0.2 Surr: Decachlorobiphenyl 83 54.9-145 0.10 0.166 0 0 0.2 Surr: Tetrachloro-m-xylene 81.9 51.5-142 0.050 0.1638

Qual RPD Limit Analysis Date: 2/9/2010 08:31 AM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1875827 LCS Run ID: ECD_1_100208A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSW1-100208-40927

0 0 0.25 2,4 ́-DDD 74.2 50-150 0.050 0.1856 0 0 0.25 2,4 ́-DDT 95.8 50-150 0.050 0.2396

Qual RPD Limit Analysis Date: 2/25/2010 03:27 AM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1889172 LCS Run ID: ECD_1_100208A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSW1-100208-40927

0 0 0.25 2,4 ́-DDE 97.9 50-150 0.050 0.2447

QC Page: 3 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40927 Instrument ID ECD_1 Method: SW8081

Qual RPD Limit Analysis Date: 2/9/2010 09:05 AM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1875809 LCSD Run ID: ECD_1_100208A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSDW1-100208-40927

0.4182 0 0.5 4,4 ́-DDD 77.6 53-144 30 0.10 7.47 0.388 0.4429 0 0.5 4,4 ́-DDE 82.1 55-144 30 0.10 7.53 0.4107 0.4635 0 0.5 4,4 ́-DDT 90 53-149 30 0.10 2.9 0.4502 0.2075 0 0.25 Aldrin 76.5 47-141 30 0.050 8.13 0.1913 0.2136 0 0.25 alpha-BHC 80.7 51-141 30 0.050 5.67 0.2018 0.2199 0 0.25 beta-BHC 81.3 58-144 30 0.050 7.83 0.2033 0.2068 0 0.25 delta-BHC 76.1 48-146 30 0.050 8.26 0.1904 0.4282 0 0.5 Dieldrin 79.2 56-144 30 0.10 7.78 0.3962 0.2424 0 0.25 Endosulfan I 91.1 55-141 30 0.050 6.19 0.2278 0.4406 0 0.5 Endosulfan II 83.3 57-144 30 0.10 5.62 0.4165 0.4385 0 0.5 Endosulfan sulfate 82.6 58-145 30 0.10 5.99 0.413 0.4539 0 0.5 Endrin 84 60-163 30 0.10 7.79 0.4198 0.4521 0 0.5 Endrin aldehyde 85 59-158 30 0.10 6.14 0.4252 0.2238 0 0.25 gamma-BHC 82.6 53-142 30 0.050 8.03 0.2065 0.2196 0 0.25 Heptachlor 83.9 51-144 30 0.050 4.57 0.2098 P 0.208 0 0.25 Heptachlor epoxide 75.4 55-142 30 0.050 9.8 0.1885 2.322 0 2.5 Methoxychlor 91.5 59-150 30 0.50 1.48 2.288 0.166 0 0.2 Surr: Decachlorobiphenyl 77.7 54.9-145 30 0.10 6.63 0.1553 0.1638 0 0.2 Surr: Tetrachloro-m-xylene 76.9 51.5-142 30 0.050 6.36 0.1538

Qual RPD Limit Analysis Date: 2/9/2010 09:05 AM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1875828 LCSD Run ID: ECD_1_100208A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSDW1-100208-40927

0.1856 0 0.25 2,4 ́-DDD 66.9 50-150 30 0.050 10.4 0.1672 0.2396 0 0.25 2,4 ́-DDT 91.1 50-150 30 0.050 5.02 0.2278

Qual RPD Limit Analysis Date: 2/25/2010 11:13 AM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1889173 LCSD Run ID: ECD_1_100208A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSDW1-100208-40927

0.2447 0 0.25 2,4 ́-DDE 103 50-150 30 0.050 5.06 0.2574 The following samples were analyzed in this batch: 1002086-01H

QC Page: 4 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40940 Instrument ID ECD_7 Method: SW8082

Qual RPD Limit Analysis Date: 2/10/2010 01:20 PM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1889209 MBLK Run ID: ECD_7_100208G SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PBLKW2-100208-40940

Aroclor 1016 0.50 ND Aroclor 1221 0.50 ND Aroclor 1232 0.50 ND Aroclor 1242 0.50 ND Aroclor 1248 0.50 ND Aroclor 1254 0.50 ND Aroclor 1260 0.50 ND 0 0 0.2 Surr: Decachlorobiphenyl 101 54-140 0.050 0.2013 0 0 0.2 Surr: Tetrachloro-m-xylene 94.5 53-137 0.050 0.1891

Qual RPD Limit Analysis Date: 2/10/2010 01:34 PM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1889210 LCS Run ID: ECD_7_100208G SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSW2-100208-40940

0 0 5 Aroclor 1016 101 54-138 0.50 5.067 0 0 5 Aroclor 1260 104 57-136 0.50 5.192 0 0 0.2 Surr: Decachlorobiphenyl 95.2 54-140 0.050 0.1904 0 0 0.2 Surr: Tetrachloro-m-xylene 91.4 53-137 0.050 0.1829

Qual RPD Limit Analysis Date: 2/10/2010 01:47 PM Prep Date: 2/8/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1889211 LCSD Run ID: ECD_7_100208G SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: PLCSDW2-100208-40940

5.067 0 5 Aroclor 1016 100 54-138 20 0.50 0.997 5.016 5.192 0 5 Aroclor 1260 103 57-136 20 0.50 0.693 5.156 0.1904 0 0.2 Surr: Decachlorobiphenyl 95.2 54-140 20 0.050 0.0368 0.1903 0.1829 0 0.2 Surr: Tetrachloro-m-xylene 91.7 53-137 20 0.050 0.344 0.1835 The following samples were analyzed in this batch: 1002086-01G

QC Page: 5 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R87155 Instrument ID FID-1 Method: SW8015

Qual RPD Limit Analysis Date: 2/16/2010 11:32 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1881196 MBLK Run ID: FID-1_100216A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: FBLKW-100216-R87155

Methanol 1.0 ND

Qual RPD Limit Analysis Date: 2/16/2010 12:01 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1881197 LCS Run ID: FID-1_100216A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: FLCSW-100216-R87155

0 0 25 Methanol 81.9 70-130 1.0 20.48

Qual RPD Limit Analysis Date: 2/16/2010 01:18 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1881198 LCSD Run ID: FID-1_100216A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: FLCSDW-100216-R87155

20.48 0 25 Methanol 80.3 70-130 20 1.0 2.01 20.07

Qual RPD Limit Analysis Date: 2/16/2010 01:47 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-01 SeqNo: 1881199 MS Run ID: FID-1_100216A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002086-01AMS

0 0 25 Methanol 76.1 70-130 1.0 19.02

Qual RPD Limit Analysis Date: 2/16/2010 03:14 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-01 SeqNo: 1881200 MSD Run ID: FID-1_100216A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002086-01AMSD

19.02 0 25 Methanol 74 70-130 20 1.0 2.74 18.5 The following samples were analyzed in this batch: 1002086-01A

QC Page: 6 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40886 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 2/4/2010 09:07 PM Prep Date: 2/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871851 MBLK Run ID: ICPMS03_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW3-020410-40886

Antimony 0.0050 ND Arsenic 0.0050 ND J Barium 0.0050 0.0009014 Beryllium 0.0020 ND Cadmium 0.0020 ND Chromium 0.0050 ND J Lead 0.0050 0.0004177 Nickel 0.0050 ND Selenium 0.0050 ND Silver 0.0050 ND J Thallium 0.0050 0.001046 Vanadium 0.0050 ND

Qual RPD Limit Analysis Date: 2/4/2010 09:12 PM Prep Date: 2/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871852 LCS Run ID: ICPMS03_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW3-020410-40886

0 0 0.05 Antimony 95.2 80-120 0.0050 0.04759 0 0 0.05 Arsenic 94.4 80-120 0.0050 0.04722 0 0 0.05 Barium 95.4 80-120 0.0050 0.0477 0 0 0.05 Beryllium 89.7 80-120 0.0020 0.04483 0 0 0.05 Cadmium 93.9 80-120 0.0020 0.04695 0 0 0.05 Chromium 93.6 80-120 0.0050 0.04678 0 0 0.05 Lead 91.6 80-120 0.0050 0.04582 0 0 0.05 Nickel 92.9 80-120 0.0050 0.04647 0 0 0.05 Selenium 93 80-120 0.0050 0.04648 0 0 0.05 Silver 93.5 80-120 0.0050 0.04675 0 0 0.05 Thallium 91.2 80-120 0.0050 0.04562 0 0 0.05 Vanadium 93.3 80-120 0.0050 0.04666

QC Page: 7 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40886 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 2/4/2010 09:33 PM Prep Date: 2/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871863 MS Run ID: ICPMS03_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002094-02CMS

0 0 0.05 Antimony 92.2 80-120 0.0050 0.0461 0 0.001784 0.05 Arsenic 89.8 80-120 0.0050 0.04667 0 0.0168 0.05 Barium 91.6 80-120 0.0050 0.06258 0 0 0.05 Beryllium 80.5 80-120 0.0020 0.04024 0 0 0.05 Cadmium 84.9 80-120 0.0020 0.04246 0 0.001349 0.05 Chromium 88.3 80-120 0.0050 0.04549 0 0.0007072 0.05 Lead 89.8 80-120 0.0050 0.04563 0 0.002537 0.05 Nickel 84.6 80-120 0.0050 0.04484 0 0 0.05 Selenium 94.8 80-120 0.0050 0.04739 0 0 0.05 Silver 84.7 80-120 0.0050 0.04235 0 0.0008579 0.05 Thallium 89.5 80-120 0.0050 0.04559 0 0.002231 0.05 Vanadium 91.3 80-120 0.0050 0.04787

Qual RPD Limit Analysis Date: 2/4/2010 09:38 PM Prep Date: 2/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871864 MSD Run ID: ICPMS03_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002094-02CMSD

0.0461 0 0.05 Antimony 93.5 80-120 15 0.0050 1.38 0.04674 0.04667 0.001784 0.05 Arsenic 91.8 80-120 15 0.0050 2.18 0.0477 0.06258 0.0168 0.05 Barium 92.9 80-120 15 0.0050 1.08 0.06326 0.04024 0 0.05 Beryllium 81.4 80-120 15 0.0020 1.09 0.04068 0.04246 0 0.05 Cadmium 87.8 80-120 15 0.0020 3.36 0.04391 0.04549 0.001349 0.05 Chromium 91.6 80-120 15 0.0050 3.54 0.04713 0.04563 0.0007072 0.05 Lead 92 80-120 15 0.0050 2.32 0.0467 0.04484 0.002537 0.05 Nickel 86.1 80-120 15 0.0050 1.68 0.0456 0.04739 0 0.05 Selenium 90.1 80-120 15 0.0050 5.02 0.04507 0.04235 0 0.05 Silver 86.8 80-120 15 0.0050 2.4 0.04338 0.04559 0.0008579 0.05 Thallium 93.1 80-120 15 0.0050 3.94 0.04742 0.04787 0.002231 0.05 Vanadium 95.8 80-120 15 0.0050 4.61 0.05013

QC Page: 8 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40886 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 2/4/2010 09:23 PM Prep Date: 2/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871856 DUP Run ID: ICPMS03_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002094-02CDUP

0 0 0 Antimony 0 0-0 25 0.0050 0 ND J 0.001784 0 0 Arsenic 0 0-0 25 0.0050 0 0.001729 0.0168 0 0 Barium 0 0-0 25 0.0050 2.11 0.01645 0 0 0 Beryllium 0 0-0 25 0.0020 0 ND 0 0 0 Cadmium 0 0-0 25 0.0020 0 ND J 0.001349 0 0 Chromium 0 0-0 25 0.0050 0 0.000953 J 0.0007072 0 0 Lead 0 0-0 25 0.0050 0 0.0006527 J 0.002537 0 0 Nickel 0 0-0 25 0.0050 0 0.002314 0 0 0 Selenium 0 0-0 25 0.0050 0 ND 0 0 0 Silver 0 0-0 25 0.0050 0 ND 0.0008579 0 0 Thallium 0 0-0 25 0.0050 0 ND J 0.002231 0 0 Vanadium 0 0-0 25 0.0050 0 0.00216 The following samples were analyzed in this batch: 1002086-01D

QC Page: 9 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 41117 Instrument ID HG02 Method: SW7470

Qual RPD Limit Analysis Date: 2/18/2010 01:13 PM Prep Date: 2/17/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1882493 MBLK Run ID: HG02_100218A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GBLKW2-021710-41117

Mercury 0.00020 ND

Qual RPD Limit Analysis Date: 2/18/2010 01:15 PM Prep Date: 2/17/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1882494 LCS Run ID: HG02_100218A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GLCSW2-021710-41117

0 0 0.005 Mercury 103 85-115 0.00020 0.00514

Qual RPD Limit Analysis Date: 2/18/2010 01:21 PM Prep Date: 2/17/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1882497 MS Run ID: HG02_100218A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002368-02CMS

S 0 -0.000037 0.005 Mercury 119 85-115 0.00020 0.00589

Qual RPD Limit Analysis Date: 2/18/2010 01:23 PM Prep Date: 2/17/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1882498 MSD Run ID: HG02_100218A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002368-02CMSD

0.00589 -0.000037 0.005 Mercury 115 85-115 20 0.00020 3.45 0.00569

Qual RPD Limit Analysis Date: 2/18/2010 01:19 PM Prep Date: 2/17/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1882496 DUP Run ID: HG02_100218A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002368-02CDUP

-0.000037 0 0 Mercury 0 0-0 20 0.00020 0 ND The following samples were analyzed in this batch: 1002086-01D

QC Page: 10 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 3/1/2010 07:44 PM Prep Date: 2/9/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1891469 MBLK Run ID: SV-5_100209A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SBLKW1-100209-40947a

1,2,4,5-Tetrachlorobenzene 5.0 ND 1,2,4-Trichlorobenzene 5.0 ND 1,2-Diphenylhydrazine 5.0 ND 1,3-Phenylenediamine 5.0 ND 1,4-Dinitrobenzene 5.0 ND 2,3,4,6-Tetrachlorophenol 5.0 ND 2,4,5-Trichlorophenol 5.0 ND 2,4,6-Trichlorophenol 5.0 ND 2,4-Dichlorophenol 5.0 ND 2,4-Dimethylaniline 5.0 ND 2,4-Dimethylphenol 5.0 ND 2,4-Dinitrophenol 5.0 ND 2,4-Dinitrotoluene 5.0 ND 2,6-Dichlorophenol 5.0 ND 2,6-Dinitrotoluene 5.0 ND 2-Acetylaminofluorene 5.0 ND 2-Chloronaphthalene 5.0 ND 2-Chlorophenol 5.0 ND 2-Methylphenol 5.0 ND 2-Naphthylamine 5.0 ND 3&4-Methylphenol 5.0 ND 3-Methylcholanthrene 5.0 ND 4,4 ́-Methylene-bis(2-chloroaniline) 5.0 ND 4,6-Dinitro-2-methylphenol 5.0 ND 4-Aminobiphenyl 5.0 ND 4-Bromophenyl phenyl ether 5.0 ND 4-Chloro-3-methylphenol 5.0 ND 4-Chloroaniline 5.0 ND 4-Nitroaniline 5.0 ND 4-Nitrophenol 5.0 ND 5-Nitro-o-toluidine 5.0 ND Acenaphthene 5.0 ND Acenaphthylene 5.0 ND Acetophenone 5.0 ND Aniline 5.0 ND Anthracene 5.0 ND Aramite 5.0 ND Benz(a)anthracene 5.0 ND Benzo(a)pyrene 5.0 ND Benzo(b)fluoranthene 5.0 ND Benzo(g,h,i)perylene 5.0 ND Benzo(k)fluoranthene 5.0 ND QC Page: 11 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270 Bis(2-chloroethoxy)methane 5.0 ND Bis(2-chloroethyl)ether 5.0 ND Bis(2-chloroisopropyl)ether 5.0 ND Bis(2-ethylhexyl)phthalate 5.0 ND Butyl benzyl phthalate 5.0 ND Chlorobenzilate 5.0 ND Chrysene 5.0 ND Di-n-butyl phthalate 5.0 ND Di-n-octyl phthalate 5.0 ND Dibenz(a,h)anthracene 5.0 ND Dibenzo(a,e)pyrene 5.0 ND Diethyl phthalate 5.0 ND Dimethyl phthalate 5.0 ND Diphenylamine 5.0 ND Disulfoton 5.0 ND Ethyl parathion 5.0 ND Famphur 5.0 ND Fluoranthene 5.0 ND Fluorene 5.0 ND Hexachlorobenzene 5.0 ND Hexachlorobutadiene 5.0 ND Hexachlorocyclopentadiene 5.0 ND Hexachloroethane 5.0 ND Hexachloropropene 5.0 ND Indeno(1,2,3-cd)pyrene 5.0 ND Isodrin 5.0 ND Isosafrole 5.0 ND Kepone 5.0 ND Methapyrilene 5.0 ND Methyl methanesulfonate 5.0 ND Methyl parathion 5.0 ND N-Nitroso-di-n-butylamine 5.0 ND N-Nitrosodi-n-propylamine 5.0 ND N-Nitrosodimethylamine 5.0 ND N-Nitrosodiphenylamine 5.0 ND N-Nitrosomethylethylamine 5.0 ND N-Nitrosomorpholine 5.0 ND N-Nitrosopiperidine 5.0 ND N-Nitrosopyrrolidine 5.0 ND Naphthalene 5.0 ND Nitrobenzene 5.0 ND o-Anisidine 5.0 ND p-Cresidine 5.0 ND Pentachlorobenzene 5.0 ND Pentachloronitrobenzene 5.0 ND Pentachlorophenol 5.0 ND Phenacetin 5.0 ND Phenanthrene 5.0 ND QC Page: 12 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270 Phenol 5.0 ND Phorate 5.0 ND Phthalic anhydride 5.0 ND Pronamide 5.0 ND Pyrene 5.0 ND Pyridine 5.0 ND Safrole 5.0 ND Tris(2,3-dibromopropyl) phosphate 5.0 ND 0 0 100 Surr: 2,4,6-Tribromophenol 90.2 42-124 5.0 90.22 0 0 100 Surr: 2-Fluorobiphenyl 83.3 48-120 5.0 83.33 0 0 100 Surr: 2-Fluorophenol 75.7 20-120 5.0 75.71 0 0 100 Surr: 4-Terphenyl-d14 86.1 51-135 5.0 86.11 0 0 100 Surr: Nitrobenzene-d5 74.6 41-120 5.0 74.59 0 0 100 Surr: Phenol-d6 75.5 20-120 5.0 75.54

QC Page: 13 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 3/1/2010 08:12 PM Prep Date: 2/9/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1891470 LCS Run ID: SV-5_100209A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSW1-100209-40947a

0 0 50 1,2,4,5-Tetrachlorobenzene 88.4 50-120 5.0 44.19 0 0 50 1,2,4-Trichlorobenzene 89 50-120 5.0 44.52 0 0 50 1,2-Diphenylhydrazine 102 55-120 5.0 50.76 0 0 50 1,4-Dinitrobenzene 90.9 55-120 5.0 45.43 0 0 100 2,3,4,6-Tetrachlorophenol 95.1 55-120 5.0 95.1 0 0 100 2,4,5-Trichlorophenol 95.1 50-120 5.0 95.08 0 0 100 2,4,6-Trichlorophenol 98.9 50-120 5.0 98.9 0 0 100 2,4-Dichlorophenol 88.7 50-120 5.0 88.69 0 0 100 2,4-Dimethylphenol 93.3 50-120 5.0 93.31 0 0 100 2,4-Dinitrophenol 90.6 40-120 5.0 90.58 0 0 50 2,4-Dinitrotoluene 90.6 50-120 5.0 45.32 0 0 100 2,6-Dichlorophenol 97.8 50-120 5.0 97.79 0 0 50 2,6-Dinitrotoluene 96.5 55-120 5.0 48.24 0 0 50 2-Acetylaminofluorene 90.6 40-130 5.0 45.28 0 0 50 2-Chloronaphthalene 110 55-135 5.0 55.06 0 0 100 2-Chlorophenol 90.1 50-120 5.0 90.06 0 0 100 2-Methylphenol 85.3 50-120 5.0 85.31 0 0 50 2-Naphthylamine 68.2 40-130 5.0 34.08 0 0 150 3&4-Methylphenol 80.2 55-120 5.0 120.3 0 0 50 3-Methylcholanthrene 102 50-120 5.0 51.18 0 0 100 4,6-Dinitro-2-methylphenol 96 50-120 5.0 96 0 0 50 4-Aminobiphenyl 55.7 40-130 5.0 27.86 0 0 50 4-Bromophenyl phenyl ether 99.6 55-120 5.0 49.78 0 0 100 4-Chloro-3-methylphenol 85.6 50-120 5.0 85.63 0 0 50 4-Chloroaniline 80.8 30-120 5.0 40.4 0 0 50 4-Nitroaniline 101 50-120 5.0 50.5 0 0 100 4-Nitrophenol 107 45-120 5.0 107.3 0 0 50 5-Nitro-o-toluidine 87.5 40-130 5.0 43.73 0 0 50 Acenaphthene 97 55-120 5.0 48.48 0 0 50 Acenaphthylene 97.6 55-120 5.0 48.8 0 0 50 Acetophenone 92.2 40-120 5.0 46.09 0 0 50 Aniline 72.2 30-120 5.0 36.11 0 0 50 Anthracene 96.7 55-120 5.0 48.36 0 0 50 Aramite 103 50-120 5.0 51.72 0 0 50 Benz(a)anthracene 99.2 55-120 5.0 49.61 0 0 50 Benzo(a)pyrene 98.2 55-120 5.0 49.11 0 0 50 Benzo(b)fluoranthene 95.8 55-120 5.0 47.88 0 0 50 Benzo(g,h,i)perylene 92.1 55-120 5.0 46.06 0 0 50 Benzo(k)fluoranthene 104 55-120 5.0 52.06 0 0 50 Bis(2-chloroethoxy)methane 94.8 55-120 5.0 47.39 0 0 50 Bis(2-chloroethyl)ether 75.1 50-120 5.0 37.56 0 0 50 Bis(2-chloroisopropyl)ether 72.8 50-120 5.0 36.41 QC Page: 14 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270 0 0 50 Bis(2-ethylhexyl)phthalate 103 50-125 5.0 51.43 0 0 50 Butyl benzyl phthalate 106 50-120 5.0 53.2 0 0 50 Chlorobenzilate 104 55-120 5.0 51.92 0 0 50 Chrysene 108 55-120 5.0 53.99 0 0 50 Di-n-butyl phthalate 99.7 55-120 5.0 49.83 0 0 50 Di-n-octyl phthalate 104 50-120 5.0 51.94 0 0 50 Dibenz(a,h)anthracene 87.2 55-120 5.0 43.59 0 0 50 Diethyl phthalate 100 55-120 5.0 50.12 0 0 50 Dimethyl phthalate 100 55-120 5.0 50.13 0 0 50 Diphenylamine 99 55-120 5.0 49.52 0 0 50 Disulfoton 95.6 40-130 5.0 47.82 0 0 50 Ethyl parathion 99.2 40-130 5.0 49.58 0 0 50 Famphur 83.6 40-130 5.0 41.78 0 0 50 Fluoranthene 89.6 55-120 5.0 44.82 0 0 50 Fluorene 95.4 55-120 5.0 47.71 0 0 50 Hexachlorobenzene 99 55-120 5.0 49.51 0 0 50 Hexachlorobutadiene 93.7 55-120 5.0 46.83 0 0 50 Hexachlorocyclopentadiene 95.6 50-120 5.0 47.82 0 0 50 Hexachloroethane 81.7 55-120 5.0 40.83 0 0 50 Hexachloropropene 88.4 55-120 5.0 44.21 0 0 50 Indeno(1,2,3-cd)pyrene 87.2 55-120 5.0 43.58 0 0 50 Isodrin 98.2 55-120 5.0 49.09 0 0 50 Isosafrole 97.1 55-120 5.0 48.57 0 0 50 Kepone 68.1 15-140 5.0 34.07 S 0 0 50 Methapyrilene 37.7 40-130 5.0 18.86 0 0 50 Methyl methanesulfonate 82.6 50-120 5.0 41.32 0 0 50 Methyl parathion 90.4 40-130 5.0 45.21 0 0 50 N-Nitroso-di-n-butylamine 111 40-130 5.0 55.35 0 0 50 N-Nitrosodi-n-propylamine 79.8 50-120 5.0 39.91 0 0 50 N-Nitrosodimethylamine 73 45-120 5.0 36.49 0 0 50 N-Nitrosodiphenylamine 99 55-120 5.0 49.52 0 0 50 N-Nitrosomethylethylamine 83.4 40-130 5.0 41.7 0 0 50 N-Nitrosomorpholine 90.4 40-130 5.0 45.2 0 0 50 N-Nitrosopiperidine 84.6 40-130 5.0 42.3 0 0 50 N-Nitrosopyrrolidine 77.2 40-130 5.0 38.62 0 0 50 Naphthalene 88.5 55-120 5.0 44.27 0 0 50 Nitrobenzene 92.2 55-120 5.0 46.09 0 0 50 Pentachlorobenzene 96.2 55-120 5.0 48.09 0 0 50 Pentachloronitrobenzene 120 50-125 5.0 60.13 0 0 100 Pentachlorophenol 97.7 55-120 5.0 97.7 0 0 50 Phenacetin 110 55-120 5.0 54.95 0 0 50 Phenanthrene 97.9 55-120 5.0 48.93 0 0 100 Phenol 88.6 50-120 5.0 88.61 0 0 50 Phorate 87.5 40-130 5.0 43.75 0 0 50 Pronamide 108 55-120 5.0 54.12 0 0 50 Pyrene 109 55-120 5.0 54.34 0 0 50 Pyridine 73.8 35-120 5.0 36.88 0 0 50 Safrole 88.3 55-120 5.0 44.13 QC Page: 15 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270 0 0 100 Surr: 2,4,6-Tribromophenol 93.1 42-124 5.0 93.1 0 0 100 Surr: 2-Fluorobiphenyl 95.2 48-120 5.0 95.19 0 0 100 Surr: 2-Fluorophenol 83.2 20-120 5.0 83.18 0 0 100 Surr: 4-Terphenyl-d14 91.8 51-135 5.0 91.83 0 0 100 Surr: Nitrobenzene-d5 80.9 41-120 5.0 80.85 0 0 100 Surr: Phenol-d6 83.3 20-120 5.0 83.27

Qual RPD Limit Analysis Date: 3/1/2010 09:09 PM Prep Date: 2/9/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1891472 LCS Run ID: SV-5_100209A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSW2-100209-40947a

0 0 50 1,3-Phenylenediamine 76.8 40-130 5.0 38.38 0 0 100 Surr: 2,4,6-Tribromophenol 72.2 42-124 5.0 72.19 0 0 100 Surr: 2-Fluorobiphenyl 79.4 48-120 5.0 79.41 0 0 100 Surr: 2-Fluorophenol 59.3 20-120 5.0 59.29 0 0 100 Surr: 4-Terphenyl-d14 81.7 51-135 5.0 81.69 0 0 100 Surr: Nitrobenzene-d5 71.9 41-120 5.0 71.9 0 0 100 Surr: Phenol-d6 63.5 20-120 5.0 63.54

Qual RPD Limit Analysis Date: 3/1/2010 10:06 PM Prep Date: 2/9/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1891474 LCS Run ID: SV-5_100209A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSW3-100209-40947a

0 0 50 2,4-Dimethylaniline 105 40-130 5.0 52.69 0 0 50 4,4 ́-Methylene-bis(2-chloroaniline) 97.4 40-130 5.0 48.72 0 0 50 Famphur 90.1 40-130 5.0 45.07 0 0 50 o-Anisidine 74.5 40-130 5.0 37.23 0 0 50 p-Cresidine 70.6 40-130 5.0 35.28 0 0 50 Phthalic anhydride 79.8 40-130 5.0 39.92 0 0 50 Tris(2,3-dibromopropyl) phosphate 65 40-130 5.0 32.52 0 0 100 Surr: 2,4,6-Tribromophenol 77.5 42-124 5.0 77.5 0 0 100 Surr: 2-Fluorobiphenyl 86.1 48-120 5.0 86.14 0 0 100 Surr: 2-Fluorophenol 70.2 20-120 5.0 70.19 0 0 100 Surr: 4-Terphenyl-d14 83.4 51-135 5.0 83.42 0 0 100 Surr: Nitrobenzene-d5 75.4 41-120 5.0 75.43 0 0 100 Surr: Phenol-d6 71 20-120 5.0 71.01

QC Page: 16 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 3/1/2010 08:41 PM Prep Date: 2/9/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1891471 LCSD Run ID: SV-5_100209A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSDW1-100209-40947a

44.19 0 50 1,2,4,5-Tetrachlorobenzene 83.8 50-120 20 5.0 5.3 41.91 44.52 0 50 1,2,4-Trichlorobenzene 79.6 50-120 20 5.0 11.1 39.82 50.76 0 50 1,2-Diphenylhydrazine 98.6 55-120 20 5.0 2.89 49.31 45.43 0 50 1,4-Dinitrobenzene 90.6 55-120 20 5.0 0.306 45.29 95.1 0 100 2,3,4,6-Tetrachlorophenol 84.8 55-120 20 5.0 11.5 84.77 95.08 0 100 2,4,5-Trichlorophenol 82.8 50-120 20 5.0 13.8 82.82 98.9 0 100 2,4,6-Trichlorophenol 90.7 50-120 20 5.0 8.65 90.7 88.69 0 100 2,4-Dichlorophenol 86.3 50-120 20 5.0 2.78 86.25 93.31 0 100 2,4-Dimethylphenol 90.3 50-120 20 5.0 3.27 90.31 90.58 0 100 2,4-Dinitrophenol 89.3 40-120 20 5.0 1.47 89.26 45.32 0 50 2,4-Dinitrotoluene 86.5 50-120 20 5.0 4.73 43.23 97.79 0 100 2,6-Dichlorophenol 88.1 50-120 20 5.0 10.4 88.08 48.24 0 50 2,6-Dinitrotoluene 79.6 55-120 20 5.0 19.2 39.8 45.28 0 50 2-Acetylaminofluorene 90.6 40-130 20 5.0 0.0508 45.3 55.06 0 50 2-Chloronaphthalene 101 55-135 20 5.0 8.65 50.49 90.06 0 100 2-Chlorophenol 95.8 50-120 20 5.0 6.17 95.79 85.31 0 100 2-Methylphenol 98.3 50-120 20 5.0 14.1 98.28 34.08 0 50 2-Naphthylamine 66.1 40-130 20 5.0 3.05 33.05 120.3 0 150 3&4-Methylphenol 91.3 55-120 20 5.0 12.9 136.9 51.18 0 50 3-Methylcholanthrene 103 50-120 20 5.0 0.6 51.48 96 0 100 4,6-Dinitro-2-methylphenol 95.3 50-120 20 5.0 0.774 95.26 27.86 0 50 4-Aminobiphenyl 49.2 40-130 20 5.0 12.5 24.58 49.78 0 50 4-Bromophenyl phenyl ether 96.6 55-120 20 5.0 3.01 48.31 85.63 0 100 4-Chloro-3-methylphenol 80.4 50-120 20 5.0 6.26 80.43 40.4 0 50 4-Chloroaniline 76.8 30-120 20 5.0 5.08 38.39 50.5 0 50 4-Nitroaniline 90.1 50-120 20 5.0 11.4 45.06 107.3 0 100 4-Nitrophenol 98.4 45-120 20 5.0 8.67 98.41 43.73 0 50 5-Nitro-o-toluidine 84.5 40-130 20 5.0 3.48 42.24 48.48 0 50 Acenaphthene 93.8 55-120 20 5.0 3.35 46.89 48.8 0 50 Acenaphthylene 93.9 55-120 20 5.0 3.86 46.96 46.09 0 50 Acetophenone 81.6 40-120 20 5.0 12.2 40.79 36.11 0 50 Aniline 70.2 30-120 20 5.0 2.85 35.1 48.36 0 50 Anthracene 96.2 55-120 20 5.0 0.563 48.09 51.72 0 50 Aramite 99 50-120 20 5.0 4.39 49.5 49.61 0 50 Benz(a)anthracene 87.9 55-120 20 5.0 12 43.97 49.11 0 50 Benzo(a)pyrene 105 55-120 20 5.0 6.65 52.48 47.88 0 50 Benzo(b)fluoranthene 99.8 55-120 20 5.0 4.18 49.92 46.06 0 50 Benzo(g,h,i)perylene 93.7 55-120 20 5.0 1.68 46.84 52.06 0 50 Benzo(k)fluoranthene 106 55-120 20 5.0 2.07 53.14 47.39 0 50 Bis(2-chloroethoxy)methane 78.9 55-120 20 5.0 18.3 39.45 37.56 0 50 Bis(2-chloroethyl)ether 78.3 50-120 20 5.0 4.09 39.13 36.41 0 50 Bis(2-chloroisopropyl)ether 75.6 50-120 20 5.0 3.7 37.78 QC Page: 17 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270 51.43 0 50 Bis(2-ethylhexyl)phthalate 94.7 50-125 20 5.0 8.3 47.33 53.2 0 50 Butyl benzyl phthalate 95.2 50-120 20 5.0 11.1 47.62 51.92 0 50 Chlorobenzilate 101 55-120 20 5.0 3.19 50.28 53.99 0 50 Chrysene 97.2 55-120 20 5.0 10.5 48.61 49.83 0 50 Di-n-butyl phthalate 94.6 55-120 20 5.0 5.15 47.32 51.94 0 50 Di-n-octyl phthalate 108 50-120 20 5.0 4.32 54.23 43.59 0 50 Dibenz(a,h)anthracene 83 55-120 20 5.0 4.95 41.49 50.12 0 50 Diethyl phthalate 91.7 55-120 20 5.0 8.93 45.83 50.13 0 50 Dimethyl phthalate 90.7 55-120 20 5.0 10 45.36 49.52 0 50 Diphenylamine 98.7 55-120 20 5.0 0.325 49.36 47.82 0 50 Disulfoton 97.3 40-130 20 5.0 1.76 48.67 49.58 0 50 Ethyl parathion 100 40-130 20 5.0 1.25 50.21 41.78 0 50 Famphur 73.2 40-130 20 5.0 13.2 36.6 44.82 0 50 Fluoranthene 89.9 55-120 20 5.0 0.286 44.95 47.71 0 50 Fluorene 86.7 55-120 20 5.0 9.63 43.33 49.51 0 50 Hexachlorobenzene 93.1 55-120 20 5.0 6.15 46.55 46.83 0 50 Hexachlorobutadiene 82.2 55-120 20 5.0 13.1 41.08 47.82 0 50 Hexachlorocyclopentadiene 93.3 50-120 20 5.0 2.43 46.67 40.83 0 50 Hexachloroethane 83.3 55-120 20 5.0 2.01 41.66 44.21 0 50 Hexachloropropene 75.5 55-120 20 5.0 15.8 37.73 43.58 0 50 Indeno(1,2,3-cd)pyrene 92.1 55-120 20 5.0 5.55 46.07 49.09 0 50 Isodrin 101 55-120 20 5.0 3.1 50.63 48.57 0 50 Isosafrole 90.8 55-120 20 5.0 6.71 45.41 R 34.07 0 50 Kepone 42.3 15-140 20 5.0 46.8 21.15 S 18.86 0 50 Methapyrilene 34.9 40-130 20 5.0 7.82 17.44 41.32 0 50 Methyl methanesulfonate 87.9 50-120 20 5.0 6.2 43.97 45.21 0 50 Methyl parathion 86 40-130 20 5.0 5.07 42.98 55.35 0 50 N-Nitroso-di-n-butylamine 114 40-130 20 5.0 2.56 56.78 39.91 0 50 N-Nitrosodi-n-propylamine 90.1 50-120 20 5.0 12.1 45.05 36.49 0 50 N-Nitrosodimethylamine 81.9 45-120 20 5.0 11.6 40.97 49.52 0 50 N-Nitrosodiphenylamine 98.7 55-120 20 5.0 0.325 49.36 41.7 0 50 N-Nitrosomethylethylamine 87.6 40-130 20 5.0 4.92 43.8 45.2 0 50 N-Nitrosomorpholine 109 40-130 20 5.0 18.3 54.33 42.3 0 50 N-Nitrosopiperidine 78.1 40-130 20 5.0 7.92 39.07 R 38.62 0 50 N-Nitrosopyrrolidine 96.4 40-130 20 5.0 22.1 48.2 44.27 0 50 Naphthalene 83.1 55-120 20 5.0 6.35 41.55 46.09 0 50 Nitrobenzene 79.5 55-120 20 5.0 14.8 39.74 48.09 0 50 Pentachlorobenzene 89.7 55-120 20 5.0 6.91 44.87 60.13 0 50 Pentachloronitrobenzene 119 50-125 20 5.0 1.29 59.36 97.7 0 100 Pentachlorophenol 92 55-120 20 5.0 5.99 92.02 54.95 0 50 Phenacetin 112 55-120 20 5.0 1.63 55.85 48.93 0 50 Phenanthrene 93.7 55-120 20 5.0 4.33 46.86 88.61 0 100 Phenol 97.6 50-120 20 5.0 9.66 97.6 43.75 0 50 Phorate 83.9 40-130 20 5.0 4.16 41.96 54.12 0 50 Pronamide 107 55-120 20 5.0 0.752 53.71 54.34 0 50 Pyrene 99 55-120 20 5.0 9.32 49.5 R 36.88 0 50 Pyridine 56.7 35-120 20 5.0 26.2 28.33 44.13 0 50 Safrole 93.2 55-120 20 5.0 5.46 46.61 QC Page: 18 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: 40947a Instrument ID SV-5 Method: SW8270 93.1 0 100 Surr: 2,4,6-Tribromophenol 81.2 42-124 20 5.0 13.6 81.23 95.19 0 100 Surr: 2-Fluorobiphenyl 88.5 48-120 20 5.0 7.24 88.54 83.18 0 100 Surr: 2-Fluorophenol 85.8 20-120 20 5.0 3.14 85.83 91.83 0 100 Surr: 4-Terphenyl-d14 83.5 51-135 20 5.0 9.49 83.51 80.85 0 100 Surr: Nitrobenzene-d5 73.5 41-120 20 5.0 9.56 73.48 83.27 0 100 Surr: Phenol-d6 96.5 20-120 20 5.0 14.7 96.5

Qual RPD Limit Analysis Date: 3/1/2010 09:37 PM Prep Date: 2/9/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1891473 LCSD Run ID: SV-5_100209A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSDW2-100209-40947a

38.38 0 50 1,3-Phenylenediamine 80.1 40-130 20 5.0 4.22 40.04 72.19 0 100 Surr: 2,4,6-Tribromophenol 69.6 42-124 20 5.0 3.65 69.59 79.41 0 100 Surr: 2-Fluorobiphenyl 74.9 48-120 20 5.0 5.9 74.86 59.29 0 100 Surr: 2-Fluorophenol 66.4 20-120 20 5.0 11.3 66.37 81.69 0 100 Surr: 4-Terphenyl-d14 82.8 51-135 20 5.0 1.36 82.81 71.9 0 100 Surr: Nitrobenzene-d5 66.1 41-120 20 5.0 8.47 66.06 63.54 0 100 Surr: Phenol-d6 70.9 20-120 20 5.0 11 70.91

Qual RPD Limit Analysis Date: 3/1/2010 10:35 PM Prep Date: 2/9/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1891475 LCSD Run ID: SV-5_100209A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSDW3-100209-40947a

SR 52.69 0 50 2,4-Dimethylaniline 142 40-130 20 5.0 29.5 70.94 SR 48.72 0 50 4,4 ́-Methylene-bis(2-chloroaniline) 160 40-130 20 5.0 48.5 79.88 R 37.23 0 50 o-Anisidine 104 40-130 20 5.0 33.5 52.21 R 35.28 0 50 p-Cresidine 116 40-130 20 5.0 48.9 58.11 39.92 0 50 Phthalic anhydride 90.1 40-130 20 5.0 12.1 45.07 R 32.52 0 50 Tris(2,3-dibromopropyl) phosphate 119 40-130 20 5.0 59 59.72 77.5 0 100 Surr: 2,4,6-Tribromophenol 79.8 42-124 20 5.0 2.91 79.78 86.14 0 100 Surr: 2-Fluorobiphenyl 83.4 48-120 20 5.0 3.21 83.42 70.19 0 100 Surr: 2-Fluorophenol 64 20-120 20 5.0 9.18 64.03 83.42 0 100 Surr: 4-Terphenyl-d14 84.2 51-135 20 5.0 0.97 84.24 75.43 0 100 Surr: Nitrobenzene-d5 75 41-120 20 5.0 0.523 75.04 71.01 0 100 Surr: Phenol-d6 77.6 20-120 20 5.0 8.91 77.63 The following samples were analyzed in this batch: 1002086-01I

QC Page: 19 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260

Qual RPD Limit Analysis Date: 2/4/2010 01:14 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1872162 MBLK Run ID: VOA2_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VBLKW-020410-R86715

1,1,1,2-Tetrachloroethane 5.0 ND 1,1,1-Trichloroethane 5.0 ND 1,1,2,2-Tetrachloroethane 5.0 ND 1,1,2-Trichlor-1,2,2-trifluoroethane 5.0 ND 1,1,2-Trichloroethane 5.0 ND 1,1-Dichloroethane 5.0 ND 1,1-Dichloroethene 5.0 ND 1,2,3-Trichloropropane 5.0 ND 1,2-Dibromo-3-chloropropane 5.0 ND 1,2-Dibromoethane 5.0 ND 1,2-Dichlorobenzene 5.0 ND 1,2-Dichloroethane 5.0 ND 1,2-Dichloropropane 5.0 ND 1,3-Dichlorobenzene 5.0 ND 1,4-Dichlorobenzene 5.0 ND 1,4-Dioxane 100 ND 2-Butanone 10 ND 2-Chloro-1,3-butadiene 5.0 ND 4-Methyl-2-pentanone 10 ND Acetone 10 ND Acetonitrile 50 ND Acrolein 20 ND Acrylonitrile 10 ND Allyl Chloride 10 ND Benzene 5.0 ND Bromodichloromethane 5.0 ND Bromoform 5.0 ND Bromomethane 5.0 ND Carbon disulfide 10 ND Carbon tetrachloride 5.0 ND Chlorobenzene 5.0 ND Chloroethane 5.0 ND Chloroform 5.0 ND Chloromethane 5.0 ND cis-1,3-Dichloropropene 5.0 ND Cyclohexanone 100 ND Dibromochloromethane 5.0 ND Dibromomethane 5.0 ND Dichlorodifluoromethane 5.0 ND Diethyl Ether 5.0 ND Ethyl acetate 5.0 ND Ethyl methacrylate 5.0 ND QC Page: 20 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260 Ethylbenzene 5.0 ND Ethylene oxide 10 ND Iodomethane 10 ND Isobutyl alcohol 100 ND Methacrylonitrile 5.0 ND Methyl methacrylate 5.0 ND Methylene chloride 10 ND n-Butyl alcohol 100 ND Propionitrile 50 ND Tetrachloroethene 5.0 ND Toluene 5.0 ND trans-1,2-Dichloroethene 5.0 ND trans-1,3-Dichloropropene 5.0 ND Trichloroethene 5.0 ND Trichlorofluoromethane 5.0 ND Vinyl chloride 2.0 ND Xylenes, Total 15 ND 0 0 50 Surr: 1,2-Dichloroethane-d4 99.8 70-125 5.0 49.92 0 0 50 Surr: 4-Bromofluorobenzene 95.7 72-125 5.0 47.83 0 0 50 Surr: Dibromofluoromethane 96.9 71-125 5.0 48.45 0 0 50 Surr: Toluene-d8 96.5 75-125 5.0 48.26

QC Page: 21 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260

Qual RPD Limit Analysis Date: 2/4/2010 12:01 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1872161 LCS Run ID: VOA2_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VLCSW-020410-R86715

0 0 50 1,1,1,2-Tetrachloroethane 92.6 80-120 5.0 46.29 0 0 50 1,1,1-Trichloroethane 92.5 80-120 5.0 46.24 0 0 50 1,1,2,2-Tetrachloroethane 91.6 72-120 5.0 45.82 0 0 50 1,1,2-Trichlor-1,2,2-trifluoroethane 101 73-123 5.0 50.68 0 0 50 1,1,2-Trichloroethane 92.4 80-120 5.0 46.18 0 0 50 1,1-Dichloroethane 83.7 76-120 5.0 41.85 0 0 50 1,1-Dichloroethene 98.3 73-124 5.0 49.16 0 0 50 1,2,3-Trichloropropane 91.3 74-121 5.0 45.64 0 0 50 1,2-Dibromo-3-chloropropane 90.7 65-125 5.0 45.36 0 0 50 1,2-Dibromoethane 98.9 80-120 5.0 49.43 0 0 50 1,2-Dichlorobenzene 93.7 80-120 5.0 46.85 0 0 50 1,2-Dichloroethane 94.9 78-120 5.0 47.43 0 0 50 1,2-Dichloropropane 95.2 80-120 5.0 47.61 0 0 50 1,3-Dichlorobenzene 93.6 80-120 5.0 46.81 0 0 50 1,4-Dichlorobenzene 92.2 80-120 5.0 46.1 0 0 1000 1,4-Dioxane 91.2 50-158 100 911.5 0 0 100 2-Butanone 74.4 58-132 10 74.37 0 0 50 2-Chloro-1,3-butadiene 88.2 73-121 5.0 44.12 0 0 100 4-Methyl-2-pentanone 93.1 65-127 10 93.08 0 0 100 Acetone 92.6 59-137 10 92.59 0 0 500 Acetonitrile 93.4 59-137 50 466.8 0 0 100 Acrolein 95.4 54-144 20 95.43 0 0 100 Acrylonitrile 89.1 61-130 10 89.07 0 0 50 Allyl Chloride 93 60-137 10 46.49 0 0 50 Benzene 95.5 73-121 5.0 47.75 0 0 50 Bromodichloromethane 92.4 80-120 5.0 46.21 0 0 50 Bromoform 94.5 79-120 5.0 47.25 0 0 50 Bromomethane 106 66-137 5.0 52.86 0 0 100 Carbon disulfide 101 68-141 10 100.9 0 0 50 Carbon tetrachloride 107 75-124 5.0 53.43 0 0 50 Chlorobenzene 92.8 80-120 5.0 46.4 0 0 50 Chloroethane 92.5 76-121 5.0 46.23 0 0 50 Chloroform 88.4 80-120 5.0 44.19 0 0 50 Chloromethane 94.9 67-123 5.0 47.47 0 0 50 cis-1,3-Dichloropropene 95.7 80-120 5.0 47.84 0 0 1000 Cyclohexanone 91.1 52-136 100 910.6 0 0 50 Dibromochloromethane 91.1 80-120 5.0 45.56 0 0 50 Dibromomethane 96.1 80-120 5.0 48.03 0 0 50 Dichlorodifluoromethane 90.1 63-125 5.0 45.04 0 0 50 Diethyl Ether 92.7 78-125 5.0 46.34 0 0 50 Ethyl acetate 80.7 64-128 5.0 40.36 0 0 50 Ethyl methacrylate 101 70-130 5.0 50.72 QC Page: 22 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260 0 0 50 Ethylbenzene 95.9 80-120 5.0 47.97 0 0 100 Ethylene oxide 93.8 53-137 10 93.81 0 0 100 Iodomethane 91.3 57-150 10 91.28 0 0 1000 Isobutyl alcohol 101 57-140 100 1010 0 0 50 Methacrylonitrile 84.4 71-126 5.0 42.21 0 0 50 Methyl methacrylate 93.7 74-120 5.0 46.86 0 0 50 Methylene chloride 90.8 65-133 10 45.42 0 0 1000 n-Butyl alcohol 88.6 54-145 100 885.7 0 0 500 Propionitrile 83.2 60-140 50 416 0 0 50 Tetrachloroethene 96.8 79-120 5.0 48.42 0 0 50 Toluene 94 80-120 5.0 47.02 0 0 50 trans-1,2-Dichloroethene 92 78-120 5.0 45.98 0 0 50 trans-1,3-Dichloropropene 87.1 80-120 5.0 43.55 0 0 50 Trichloroethene 96.8 80-120 5.0 48.38 0 0 50 Trichlorofluoromethane 100 72-130 5.0 50.01 0 0 50 Vinyl chloride 94.4 70-127 2.0 47.2 0 0 150 Xylenes, Total 95.1 80-120 15 142.7 0 0 50 Surr: 1,2-Dichloroethane-d4 103 70-125 5.0 51.37 0 0 50 Surr: 4-Bromofluorobenzene 97.7 72-125 5.0 48.83 0 0 50 Surr: Dibromofluoromethane 90.1 71-125 5.0 45.04 0 0 50 Surr: Toluene-d8 99.1 75-125 5.0 49.54

QC Page: 23 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260

Qual RPD Limit Analysis Date: 2/4/2010 02:51 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1872166 MS Run ID: VOA2_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 500 Sample ID: 1002125-01AMS

0 0 25000 1,1,1,2-Tetrachloroethane 98.4 80-120 2,500 24600 0 0 25000 1,1,1-Trichloroethane 98.6 80-120 2,500 24650 0 0 25000 1,1,2,2-Tetrachloroethane 95.6 72-120 2,500 23900 0 0 25000 1,1,2-Trichlor-1,2,2-trifluoroethane 89.1 73-123 2,500 22280 0 0 25000 1,1,2-Trichloroethane 95.7 80-120 2,500 23940 0 0 25000 1,1-Dichloroethane 89.6 76-120 2,500 22400 0 0 25000 1,1-Dichloroethene 93.2 73-124 2,500 23290 0 0 25000 1,2,3-Trichloropropane 94.7 74-121 2,500 23680 0 0 25000 1,2-Dibromo-3-chloropropane 91.6 65-125 2,500 22900 0 0 25000 1,2-Dibromoethane 101 80-120 2,500 25330 0 0 25000 1,2-Dichlorobenzene 94.5 80-120 2,500 23630 0 0 25000 1,2-Dichloroethane 98.9 78-120 2,500 24740 0 0 25000 1,2-Dichloropropane 97.7 80-120 2,500 24430 0 0 25000 1,3-Dichlorobenzene 93.4 80-120 2,500 23350 0 0 25000 1,4-Dichlorobenzene 92.6 80-120 2,500 23150 0 0 500000 1,4-Dioxane 91.6 50-158 50,000 458200 0 0 50000 2-Butanone 78.7 58-132 5,000 39360 0 0 25000 2-Chloro-1,3-butadiene 83.1 73-121 2,500 20780 0 0 50000 4-Methyl-2-pentanone 94.9 65-127 5,000 47450 0 0 50000 Acetone 94.3 59-137 5,000 47170 0 0 250000 Acetonitrile 99.5 59-137 25,000 248700 0 0 50000 Acrolein 104 54-144 10,000 51820 0 0 50000 Acrylonitrile 96.9 61-130 5,000 48450 0 0 25000 Allyl Chloride 102 60-137 5,000 25380 0 5986 25000 Benzene 95 73-121 2,500 29740 0 0 25000 Bromodichloromethane 98.8 80-120 2,500 24700 0 0 25000 Bromoform 98.3 79-120 2,500 24570 0 0 25000 Bromomethane 73.6 66-137 2,500 18400 0 0 50000 Carbon disulfide 102 68-141 5,000 50780 0 3741 25000 Carbon tetrachloride 107 75-124 2,500 30520 0 25100 25000 Chlorobenzene 97.4 80-120 2,500 49450 0 0 25000 Chloroethane 94.5 76-121 2,500 23630 0 4891 25000 Chloroform 115 80-120 2,500 33750 0 0 25000 Chloromethane 91.5 67-123 2,500 22880 0 0 25000 cis-1,3-Dichloropropene 100 80-120 2,500 25030 S 0 0 500000 Cyclohexanone 36.1 52-136 50,000 180300 0 0 25000 Dibromochloromethane 97.3 80-120 2,500 24310 0 0 25000 Dibromomethane 101 80-120 2,500 25290 0 0 25000 Dichlorodifluoromethane 80.6 63-125 2,500 20150 0 0 25000 Diethyl Ether 101 78-125 2,500 25150 0 0 25000 Ethyl acetate 107 64-128 2,500 26680 0 0 25000 Ethyl methacrylate 104 70-130 2,500 26020 QC Page: 24 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260 0 0 25000 Ethylbenzene 94.6 80-120 2,500 23640 0 0 50000 Ethylene oxide 91.1 53-137 5,000 45570 0 0 50000 Iodomethane 96.3 57-150 5,000 48130 0 0 500000 Isobutyl alcohol 108 57-140 50,000 538000 0 0 25000 Methacrylonitrile 84.6 71-126 2,500 21140 0 0 25000 Methyl methacrylate 96.8 74-120 2,500 24210 0 0 25000 Methylene chloride 100 65-133 5,000 25020 0 0 500000 n-Butyl alcohol 96.1 54-145 50,000 480700 0 0 250000 Propionitrile 101 60-140 25,000 251600 0 0 25000 Tetrachloroethene 90.7 79-120 2,500 22670 0 0 25000 Toluene 94.6 80-120 2,500 23640 0 0 25000 trans-1,2-Dichloroethene 95.2 78-120 2,500 23810 0 0 25000 trans-1,3-Dichloropropene 91.3 80-120 2,500 22810 0 0 25000 Trichloroethene 94.4 80-120 2,500 23610 0 0 25000 Trichlorofluoromethane 90.6 72-130 2,500 22650 0 0 25000 Vinyl chloride 90.3 70-127 1,000 22580 0 252.5 75000 Xylenes, Total 95 80-120 7,500 71530 0 0 25000 Surr: 1,2-Dichloroethane-d4 111 70-125 2,500 27660 0 0 25000 Surr: 4-Bromofluorobenzene 103 72-125 2,500 25660 0 0 25000 Surr: Dibromofluoromethane 109 71-125 2,500 27350 0 0 25000 Surr: Toluene-d8 104 75-125 2,500 26050

QC Page: 25 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260

Qual RPD Limit Analysis Date: 2/4/2010 03:16 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1872167 MSD Run ID: VOA2_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 500 Sample ID: 1002125-01AMSD

24600 0 25000 1,1,1,2-Tetrachloroethane 96.3 80-120 20 2,500 2.13 24090 24650 0 25000 1,1,1-Trichloroethane 96.4 80-120 20 2,500 2.31 24090 23900 0 25000 1,1,2,2-Tetrachloroethane 96.4 72-120 20 2,500 0.773 24090 22280 0 25000 1,1,2-Trichlor-1,2,2-trifluoroethane 80 73-123 20 2,500 10.8 20010 23940 0 25000 1,1,2-Trichloroethane 96.2 80-120 20 2,500 0.423 24040 22400 0 25000 1,1-Dichloroethane 82.5 76-120 20 2,500 8.3 20620 23290 0 25000 1,1-Dichloroethene 85.9 73-124 20 2,500 8.05 21490 23680 0 25000 1,2,3-Trichloropropane 94.8 74-121 20 2,500 0.14 23710 22900 0 25000 1,2-Dibromo-3-chloropropane 96.5 65-125 20 2,500 5.26 24130 25330 0 25000 1,2-Dibromoethane 100 80-120 20 2,500 0.857 25120 23630 0 25000 1,2-Dichlorobenzene 93.7 80-120 20 2,500 0.876 23420 24740 0 25000 1,2-Dichloroethane 98.9 78-120 20 2,500 0.0226 24730 24430 0 25000 1,2-Dichloropropane 95.3 80-120 20 2,500 2.48 23830 23350 0 25000 1,3-Dichlorobenzene 91.7 80-120 20 2,500 1.81 22930 23150 0 25000 1,4-Dichlorobenzene 91.2 80-120 20 2,500 1.55 22790 R 458200 0 500000 1,4-Dioxane 130 50-158 20 50,000 34.3 647600 39360 0 50000 2-Butanone 74.9 58-132 20 5,000 4.92 37470 20780 0 25000 2-Chloro-1,3-butadiene 78.7 73-121 20 2,500 5.42 19680 47450 0 50000 4-Methyl-2-pentanone 96.2 65-127 20 5,000 1.33 48080 47170 0 50000 Acetone 99.2 59-137 20 5,000 5.05 49610 248700 0 250000 Acetonitrile 98.1 59-137 20 25,000 1.41 245200 51820 0 50000 Acrolein 99.3 54-144 20 10,000 4.27 49650 48450 0 50000 Acrylonitrile 93.2 61-130 20 5,000 3.92 46580 25380 0 25000 Allyl Chloride 99 60-137 20 5,000 2.47 24760 29740 5986 25000 Benzene 93.8 73-121 20 2,500 1 29450 24700 0 25000 Bromodichloromethane 98.8 80-120 20 2,500 0.0203 24700 24570 0 25000 Bromoform 103 79-120 20 2,500 5.13 25860 18400 0 25000 Bromomethane 78.2 66-137 20 2,500 6.01 19540 50780 0 50000 Carbon disulfide 93.2 68-141 20 5,000 8.57 46600 30520 3741 25000 Carbon tetrachloride 110 75-124 20 2,500 2.67 31340 49450 25100 25000 Chlorobenzene 93.3 80-120 20 2,500 2.1 48420 23630 0 25000 Chloroethane 91.1 76-121 20 2,500 3.72 22770 33750 4891 25000 Chloroform 113 80-120 20 2,500 1.52 33240 22880 0 25000 Chloromethane 82.1 67-123 20 2,500 10.9 20530 25030 0 25000 cis-1,3-Dichloropropene 99.5 80-120 20 2,500 0.571 24890 R 180300 0 500000 Cyclohexanone 53.4 52-136 20 50,000 38.7 266800 24310 0 25000 Dibromochloromethane 97.2 80-120 20 2,500 0.0874 24290 25290 0 25000 Dibromomethane 101 80-120 20 2,500 0.218 25230 20150 0 25000 Dichlorodifluoromethane 74.4 63-125 20 2,500 8 18600 25150 0 25000 Diethyl Ether 95 78-125 20 2,500 5.76 23740 R 26680 0 25000 Ethyl acetate 84.2 64-128 20 2,500 23.6 21050 26020 0 25000 Ethyl methacrylate 104 70-130 20 2,500 0.26 25950 QC Page: 26 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86715 Instrument ID VOA2 Method: SW8260 23640 0 25000 Ethylbenzene 91.2 80-120 20 2,500 3.64 22800 45570 0 50000 Ethylene oxide 81.9 53-137 20 5,000 10.7 40940 48130 0 50000 Iodomethane 92.9 57-150 20 5,000 3.61 46430 538000 0 500000 Isobutyl alcohol 116 57-140 20 50,000 7.38 579200 21140 0 25000 Methacrylonitrile 80.4 71-126 20 2,500 5.08 20090 24210 0 25000 Methyl methacrylate 96.6 74-120 20 2,500 0.266 24150 25020 0 25000 Methylene chloride 91.8 65-133 20 5,000 8.58 22960 480700 0 500000 n-Butyl alcohol 110 54-145 20 50,000 13.6 550600 251600 0 250000 Propionitrile 88.4 60-140 20 25,000 12.9 221100 22670 0 25000 Tetrachloroethene 86.8 79-120 20 2,500 4.36 21700 23640 0 25000 Toluene 91.4 80-120 20 2,500 3.45 22840 23810 0 25000 trans-1,2-Dichloroethene 88.1 78-120 20 2,500 7.75 22030 22810 0 25000 trans-1,3-Dichloropropene 91.6 80-120 20 2,500 0.388 22900 23610 0 25000 Trichloroethene 92.2 80-120 20 2,500 2.37 23060 22650 0 25000 Trichlorofluoromethane 83.4 72-130 20 2,500 8.29 20850 22580 0 25000 Vinyl chloride 81.4 70-127 20 1,000 10.4 20360 71530 252.5 75000 Xylenes, Total 91.8 80-120 20 7,500 3.45 69100 27660 0 25000 Surr: 1,2-Dichloroethane-d4 105 70-125 20 2,500 5.43 26200 25660 0 25000 Surr: 4-Bromofluorobenzene 100 72-125 20 2,500 2.61 25000 27350 0 25000 Surr: Dibromofluoromethane 107 71-125 20 2,500 2.2 26760 26050 0 25000 Surr: Toluene-d8 102 75-125 20 2,500 2.55 25400 The following samples were analyzed in this batch: 1002086-01A 1002086-02A

QC Page: 27 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86676 Instrument ID ICS3K2 Method: E300

Qual RPD Limit Analysis Date: 2/3/2010 10:35 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871267 MBLK Run ID: ICS3K2_100203B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW2-020310-R86676

Fluoride 0.10 ND 0 0 5 Surr: Selenate (surr) 96.5 85-115 0.10 4.824

Qual RPD Limit Analysis Date: 2/3/2010 10:58 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871269 LCS Run ID: ICS3K2_100203B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW2-020310-R86676

0 0 4 Fluoride 104 90-110 0.10 4.141 0 0 5 Surr: Selenate (surr) 92.3 85-115 0.10 4.615

Qual RPD Limit Analysis Date: 2/3/2010 11:21 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871270 LCSD Run ID: ICS3K2_100203B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSDW2-020310-R86676

4.141 0 4 Fluoride 105 90-110 20 0.10 1.03 4.184 4.615 0 5 Surr: Selenate (surr) 93 85-115 20 0.10 0.734 4.649

Qual RPD Limit Analysis Date: 2/3/2010 04:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871281 MS Run ID: ICS3K2_100203B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002103-01AMS

0 0.101 2 Fluoride 102 80-120 0.10 2.135 0 0 5 Surr: Selenate (surr) 96.7 85-115 0.10 4.835

Qual RPD Limit Analysis Date: 2/3/2010 04:46 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871283 MS Run ID: ICS3K2_100203B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002093-02BMS

S 0 -0.17 2 Fluoride 61.8 80-120 0.10 1.067 0 0 5 Surr: Selenate (surr) 90.1 85-115 0.10 4.507

Qual RPD Limit Analysis Date: 2/3/2010 01:17 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871274 MSD Run ID: ICS3K2_100203B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002093-02BMSD

S 1.067 -0.17 2 Fluoride 67.3 80-120 20 0.10 9.72 1.176 4.507 0 5 Surr: Selenate (surr) 91 85-115 20 0.10 0.928 4.549

QC Page: 28 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86676 Instrument ID ICS3K2 Method: E300

Qual RPD Limit Analysis Date: 2/3/2010 04:23 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871282 MSD Run ID: ICS3K2_100203B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002103-01AMSD

2.135 0.101 2 Fluoride 102 80-120 20 0.10 0 2.135 4.835 0 5 Surr: Selenate (surr) 97.2 85-115 20 0.10 0.557 4.862 The following samples were analyzed in this batch: 1002086-01B

QC Page: 29 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86689 Instrument ID WetChem Method: SM4500 S2-F

Qual RPD Limit Analysis Date: 2/3/2010 Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871546 MBLK Run ID: WETCHEM_100203L SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-020310-R86689

Sulfide 1.0 ND

Qual RPD Limit Analysis Date: 2/3/2010 Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871547 LCS Run ID: WETCHEM_100203L SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-020310-R86689

0 0 25 Sulfide 89.6 80-120 1.0 22.4

Qual RPD Limit Analysis Date: 2/3/2010 Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-01 SeqNo: 1871551 MS Run ID: WETCHEM_100203L SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002086-01EMS

0 0 25 Sulfide 88.8 80-120 1.0 22.2

Qual RPD Limit Analysis Date: 2/3/2010 Prep Date: 2/3/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871550 DUP Run ID: WETCHEM_100203L SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1001486-11ADUP

8.2 0 0 Sulfide 0 0-0 20 1.0 0 8.2 The following samples were analyzed in this batch: 1002086-01E

QC Page: 30 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: F039 Delisting Project Client: ERM Southwest, Inc. Work Order: 1002086 

# QC BATCH REPORT

Batch ID: R86694 Instrument ID UV-2450 Method: M4500CN E&G

Qual RPD Limit Analysis Date: 2/4/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871584 MBLK Run ID: UV-2450_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-020310-R86694

Cyanide 0.0050 ND Cyanide, Amenable to Chlorination 0.0050 ND

Qual RPD Limit Analysis Date: 2/4/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871585 LCS Run ID: UV-2450_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-020310-R86694

0 0 0.2 Cyanide 85 80-120 0.0050 0.17

Qual RPD Limit Analysis Date: 2/4/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871586 LCSD Run ID: UV-2450_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSDW1-020310-R86694

0.17 0 0.2 Cyanide 87.5 80-120 20 0.0050 2.9 0.175

Qual RPD Limit Analysis Date: 2/4/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871589 MS Run ID: UV-2450_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002073-02BMS

0 0.001 0.2 Cyanide 85 80-120 0.0050 0.171

Qual RPD Limit Analysis Date: 2/4/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1871588 DUP Run ID: UV-2450_100204A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1002073-02BDUP

0.001 0 0 Cyanide 0 0-0 20 0.0050 0 ND 0 0 0 Cyanide, Amenable to Chlorination 0 0-0 0 0.0050 0 ND The following samples were analyzed in this batch: 1002086-01C

QC Page: 31 of 31 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

# ALS Laboratory Group Date: 05-Mar-10 

# QUALIFIERS, ACRONYMS, UNITS Project: F039 Delisting Project Client: ERM Southwest, Inc. WorkOrder: 1002086

Units Reported Description Qualifier Description

Acronym Description

Milligrams per Liter mg/L Value exceeds Regulatory Limit

* Not accredited a Analyte detected in the associated Method Blank above the Reporting Limit B Value above quantitation range E Analyzed outside of Holding Time H Analyte detected below quantitation limit J Manually integrated, see raw data for justification M Not offered for accreditation n Not Detected at the Reporting Limit ND Sample amount is > 4 times amount spiked O Dual Column results percent difference > 40% P RPD above laboratory control limit R Spike Recovery outside laboratory control limits S Analyzed but not detected above the MDL U Method Duplicate DUP Laboratory Control Sample LCS Laboratory Control Sample Duplicate LCSD Method Blank MBLK Method Detection Limit MDL Method Quantitation Limit MQL Matrix Spike MS Matrix Spike Duplicate MSD Post Digestion Spike PDS Practical Quantitaion Limit PQL Serial Dilution SD Sample Detection Limit SDL Texas Risk Reduction Program TRRP

QF Page 1 of 1

# ALS LaboratoryGrou p Sample Receipt Checklist Client Name: ERMSW-HOU Work Order: 1002086 Date/Time Received: 02-Feb-10 12:05 Received by: RNG Checklist completed by eSignature Date Reviewed by: Date eSignature Matrices: water Carrier name: Client Shipping container/cooler in good condition? Yes No Not Present Custody seals intact on shipping container/cooler? Yes No Not Present Custody seals intact on sample bottles? Yes No Not Present Chain of custody present? Yes No Chain of custody signed when relinquished and received? Yes No Chain of custody agrees with sample labels? Yes No Samples in proper container/bottle? Yes No Sample containers intact? Yes No Sufficient sample volume for indicated test? Yes No All samples received within holding time? Yes No Container/Temp Blank temperature in compliance? Yes No

Yes No No VOA vials submitted Water - VOA vials have zero headspace? Water - pH acceptable upon receipt? Yes No N/A Temperature(s)/Thermometer(s): 1.8c

Login Notes: 002 Cooler(s)/Kit(s): 1912 03-Feb-10 04-Feb-10 

## R ichard Sanchez Lora Terrill

pH adjusted? Yes No N/A pH adjusted by:

CorrectiveAction: Comments: Client Contacted: Date Contacted: Person Contacted: Contacted By: Regarding:



### SRC Pa g e 1 of 1

### 5420 Mainway Drive, Unit 5, Burlington ON, L7L 6A4 Phone: 905-331-3111, FAX: 905-331-4567 CALA (ISO 17025:2005) Accreditation #: A3508 SCC (ISO 17025:2005) Accreditation Lab ID: 1003-15/779 Ont DW License #: 2285 NELAC Primary Accreditation, NJ DEP ID# CANA003: Secondary Accreditation, TX Cert# T104704433-08-TX

ALS Project Contact: 

### Ron McLeod Client Name: 

### ALS Group, USA Corp. ALS Project ID: 

### ALS800 Client Address: 

### 10450 Stancliff Road, Suite 210 ALS WO#: 

### L859467 Houston, TX Date of Report 

### 5-Mar-10 77099-4338 Date of Sample Receipt 

### 04-Feb-10 Client Contact: Client Project ID: 

### 1002086 COMMENTS: Selected PCDD/F by EPA SW846 8290 B



### Certified by: Steve Kennedy Organic Laboratory Manage r Results in this certificate relate only to the samples as submitted to the laboratory. This report shall not be reproduced, except in full, without the written permission of ALS Canada Ltd. The test results herein meet all of the requirements of ISO 17025:2005 and NELAC (2003) standards unless stated otherwise in the comments above. 

# Certificate of Analysis

ALS Canada Ltd L859467 100205.xls Page 1 of 5Sample Name Method Blank 1002086-01J ( UNDERFLOW DELISTING-01) ALS Sample ID WG1068138-1 L859467-1 Sample Size 1 1.065 Sample units Litres Litres Moisture Content n/a Matrix QC WATER Sampling Date n/a 2-Feb-10 Extraction Date 24-Feb-10 24-Feb-10 Target Analytes pg/L pg/L 1,2,3,4,6,7,8-HpCDD <2.4 <0.78 OCDD <4.4 <4.6 1,2,3,4,6,7,8-HpCDF <1.4 <0.70 1,2,3,4,7,8,9-HpCDF <2.5 2.06 OCDF <5.7 <2.4 Extraction Standards % Rec % Rec 13C12-2,3,7,8-TCDD 69 69 13C12-1,2,3,7,8-PeCDD 65 53 13C12-1,2,3,4,7,8-HxCDD 75 71 13C12-1,2,3,6,7,8-HxCDD 73 75 13C12-1,2,3,4,6,7,8-HpCDD 72 62 13C12-OCDD 58 38 13C12-2,3,7,8-TCDF 66 64 13C12-1,2,3,7,8-PeCDF 70 64 13C12-2,3,4,7,8-PeCDF 67 58 13C12-1,2,3,4,7,8-HxCDF 78 74 13C12-1,2,3,6,7,8-HxCDF 73 74 13C12-2,3,4,6,7,8-HxCDF 75 69 13C12-1,2,3,7,8,9-HxCDF 71 61 13C12-1,2,3,4,6,7,8-HpCDF 68 58 13C12-1,2,3,4,7,8,9-HpCDF 69 51 Cleanup Standard 37Cl4-2,3,7,8-TCDD 65 61 Homologue Group Totals pg/L pg/L Total-TCDD <3.4 <0.93 Total-PeCDD <3.2 <0.65 Total-HxCDD <1.6 1.28

Total-TCDF <2.2 <0.56 Total-PeCDF <1.1 0.339 Total-HxCDF <1.1 <0.47 

# ALS Laboratory Group Sample Analysis Summary Report

ALS Canada Ltd L859467 100205.xls Page 2 of 5Sample Name Method Blank Sampling Date ALS Sample ID WG1068138-1 Extraction Date Analysis Method EPA 8290 B Sample Size Litres Analysis Type Blan k Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 2-100225B-09 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Unit s pg/L Instrument - Column HRMS-2 DB5ms #US9538813 H Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 1,2,3,4,6,7,8-HpCDD 36:47 <2.4 1.2 J R 0.01 OCDD NotFnd <4.4 4.4 U 0.001 1,2,3,4,6,7,8-HpCDF NotFnd <1.4 1.4 U 0.01 1,2,3,4,7,8,9-HpCDF 37:08 <2.5 2.0 J R 0.01 OCDF NotFnd <5.7 5.7 U 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 28:12 69 40-130 13C12-1,2,3,7,8-PeCDD 32:34 65 40-130 13C12-1,2,3,4,7,8-HxCDD 34:47 75 40-130 13C12-1,2,3,6,7,8-HxCDD 34:50 73 40-130 13C12-1,2,3,4,6,7,8-HpCDD 36:47 72 25-130 13C12-OCDD 38:41 58 25-130 13C12-2,3,7,8-TCDF 26:52 66 40-130 13C12-1,2,3,7,8-PeCDF 31:45 70 40-130 13C12-2,3,4,7,8-PeCDF 32:23 67 40-130 13C12-1,2,3,4,7,8-HxCDF 34:16 78 40-130 13C12-1,2,3,6,7,8-HxCDF 34:21 73 40-130 13C12-2,3,4,6,7,8-HxCDF 34:42 75 40-130 13C12-1,2,3,7,8,9-HxCDF 35:15 71 40-130 13C12-1,2,3,4,6,7,8-HpCDF 36:08 68 25-130 13C12-1,2,3,4,7,8,9-HpCDF 37:09 69 25-130 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:14 65 40-130 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <3.4 3.4 Total-PeCDD 0 <3.2 3.2 Total-HxCDD 0 <1.6 1.6

Total-TCDF 0 <2.2 2.2 Total-PeCDF 0 <1.1 1.1 Total-HxCDF 0 <1.1 1.1

ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalenc y U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. Flags 

# ALS Laboratory Group

n/a 24-Feb-10 Approved: Laboratory Method Blank Analysis Repor t

26-Feb-10 05:51 B. Reimer --e-signature--

5-Mar-10 1 1

ALS Canada Ltd L859467 100205.xls Page 3 of 5Sample Name 1002086-01J (UNDERFLOW DELISTING-01) Sampling Date ALS Sample ID L859467-1 Extraction Date Analysis Method EPA 8290 B Sample Size Litres Analysis Type Sample Percent Moisture Sample Matrix WATER Split Ratio Run Information Run 1 Filename 1-100302A-05 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Unit s pg/L Instrument - Column HRMS-1 DB5ms #US9538813 H Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 1,2,3,4,6,7,8-HpCDD 36:35 <0.78 0.78 U 0.01 OCDD 38:27 <4.6 1.5 J R 0.001 1,2,3,4,6,7,8-HpCDF 35:56 <0.70 0.62 J R 0.01 1,2,3,4,7,8,9-HpCDF 36:56 2.06 0.96 J 0.01 OCDF 38:37 <2.4 1.2 J R 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:53 69 40-130 13C12-1,2,3,7,8-PeCDD 32:27 53 40-130 13C12-1,2,3,4,7,8-HxCDD 34:35 71 40-130 13C12-1,2,3,6,7,8-HxCDD 34:39 75 40-130 13C12-1,2,3,4,6,7,8-HpCDD 36:34 62 25-130 13C12-OCDD 38:27 38 25-130 13C12-2,3,7,8-TCDF 26:31 64 40-130 13C12-1,2,3,7,8-PeCDF 31:38 64 40-130 13C12-2,3,4,7,8-PeCDF 32:16 58 40-130 13C12-1,2,3,4,7,8-HxCDF 34:05 74 40-130 13C12-1,2,3,6,7,8-HxCDF 34:10 74 40-130 13C12-2,3,4,6,7,8-HxCDF 34:30 69 40-130 13C12-1,2,3,7,8,9-HxCDF 35:02 61 40-130 13C12-1,2,3,4,6,7,8-HpCDF 35:55 58 25-130 13C12-1,2,3,4,7,8,9-HpCDF 36:55 51 25-130 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:56 61 40-130 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <0.93 0.93 Total-PeCDD 0 <0.65 0.65 Total-HxCDD 1 1.28 0.53

Total-TCDF 0 <0.56 0.56 Total-PeCDF 1 0.339 0.31 Total-HxCDF 0 <0.47 0.47

ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalenc y U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. 02-Mar-10 11:48 1.065 B. Reimer n/a --e-signature-- 

# ALS Laboratory Group Sample Analysis Repor t 2-Feb-10 24-Feb-10 Approved:
1 5-Mar-10

Flags

ALS Canada Ltd L859467 100205.xls Page 4 of 5Sample Name LCS Sampling Date ALS Sample ID WG1068138-2 Extraction Date Analysis Method EPA 8290 B Sample Size Analysis Type LCS Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 2-100225B-07 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Unit s % Rec Instrument - Column HRMS-2 DB5ms #US9538813 H Ret. Target Analytes Time % Rec Limits 1,2,3,4,6,7,8-HpCDD 36:47 98 70-140 OCDD 38:42 97 78-144 1,2,3,4,6,7,8-HpCDF 36:09 104 82-122 1,2,3,4,7,8,9-HpCDF 37:09 102 78-138 OCDF 38:51 101 63-170 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 28:12 72 40-130 13C12-1,2,3,7,8-PeCDD 32:34 73 40-130 13C12-1,2,3,4,7,8-HxCDD 34:47 75 40-130 13C12-1,2,3,6,7,8-HxCDD 34:50 78 40-130 13C12-1,2,3,4,6,7,8-HpCDD 36:47 77 25-130 13C12-OCDD 38:41 68 25-130 13C12-2,3,7,8-TCDF 26:52 71 40-130 13C12-1,2,3,7,8-PeCDF 31:45 69 40-130 13C12-2,3,4,7,8-PeCDF 32:22 73 40-130 13C12-1,2,3,4,7,8-HxCDF 34:16 79 40-130 13C12-1,2,3,6,7,8-HxCDF 34:21 75 40-130 13C12-2,3,4,6,7,8-HxCDF 34:42 79 40-130 13C12-1,2,3,7,8,9-HxCDF 35:15 73 40-130 13C12-1,2,3,4,6,7,8-HpCDF 36:08 70 25-130 13C12-1,2,3,4,7,8,9-HpCDF 37:09 73 25-130 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:15 67 40-130

ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. Flags 

# ALS Laboratory Group Laboratory Control Sample Analysis Repor t n/a 24-Feb-10 Approved:

26-Feb-10 04:24 5-Mar-10 1 1 B. Reimer n/a --e-signature--

ALS Canada Ltd L859467 100205.xls Page 5 of 5

### 5420 Mainway Drive, Unit 5, Burlington ON, L7L 6A4 Phone: 905-331-3111, FAX: 905-331-4567 CALA (ISO 17025:2005) Accreditation #: A3508 SCC (ISO 17025:2005) Accreditation Lab ID: 1003-15/779 Ont DW License #: 2285 NELAC Primary Accreditation, NJ DEP ID# CANA003: Secondary Accreditation, TX Cert# T104704433-08-TX

ALS Project Contact: 

### Ron McLeod Client Name: 

### ALS Group, USA Corp. ALS Project ID: 

### ALS800 Client Address: 

### 10450 Stancliff Road, Suite 210 ALS WO#: 

### L859467 Houston, TX Date of Report Revision 

### 12-Mar-10 77099-4338 Date of Sample Receipt 

### 04-Feb-10 Client Contact: Client Project ID: 

### COMMENTS: PCDD/F by EPA 1613 B 

### *** Revised Report*** This report supersedes all prior reports for work order L859467 The report has been revised in that the full target list for USEPA method 1613B has been reported.

Certified by: Steve Kennedy Organic Laboratory Manage r Results in this certificate relate only to the samples as submitted to the laboratory. This report shall not be reproduced, except in full, without the written permission of ALS Canada Ltd. The test results herein meet all of the requirements of ISO 17025:2005 and NELAC (2003) standards unless stated otherwise in the comments above. 

# Certificate of Analysis

ALS Canada Ltd L859467 100205r1.xls Page 1 of 5Sample Name Method Blank 1002086-01J ( UNDERFLOW DELISTING-01) ALS Sample ID WG1068138-1 L859467-1 Sample Size 1 1.065 Sample units Litres Litres Moisture Content n/a Matrix QC WATER Sampling Date n/a 2-Feb-10 Extraction Date 24-Feb-10 24-Feb-10 Target Analytes pg/L pg/L 2,3,7,8-TCDD <3.4 <0.93 1,2,3,7,8-PeCDD <3.2 <0.65 1,2,3,4,7,8-HxCDD <1.5 <0.48 1,2,3,6,7,8-HxCDD <1.6 <0.61 1,2,3,7,8,9-HxCDD <1.6 <0.51 1,2,3,4,6,7,8-HpCDD <2.4 <0.78 OCDD <4.4 <4.6 2,3,7,8-TCDF <2.2 <0.56 1,2,3,7,8-PeCDF <1.1 0.339 2,3,4,7,8-PeCDF <1.1 <0.86 1,2,3,4,7,8-HxCDF <0.81 <0.35 1,2,3,6,7,8-HxCDF <0.80 <0.33 2,3,4,6,7,8-HxCDF <0.82 <0.47 1,2,3,7,8,9-HxCDF <1.1 <0.47 1,2,3,4,6,7,8-HpCDF <1.4 <0.70 1,2,3,4,7,8,9-HpCDF <2.5 2.06 OCDF <5.7 <2.4 Extraction Standards % Rec % Rec 13C12-2,3,7,8-TCDD 69 69 13C12-1,2,3,7,8-PeCDD 65 53 13C12-1,2,3,4,7,8-HxCDD 75 71 13C12-1,2,3,6,7,8-HxCDD 73 75 13C12-1,2,3,4,6,7,8-HpCDD 72 62 13C12-OCDD 58 38 13C12-2,3,7,8-TCDF 66 64 13C12-1,2,3,7,8-PeCDF 70 64 13C12-2,3,4,7,8-PeCDF 67 58 13C12-1,2,3,4,7,8-HxCDF 78 74 13C12-1,2,3,6,7,8-HxCDF 73 74 13C12-2,3,4,6,7,8-HxCDF 75 69 13C12-1,2,3,7,8,9-HxCDF 71 61 13C12-1,2,3,4,6,7,8-HpCDF 68 58 13C12-1,2,3,4,7,8,9-HpCDF 69 51 Cleanup Standard 37Cl4-2,3,7,8-TCDD 65 61 Homologue Group Totals pg/L pg/L Total-TCDD <3.4 <0.93 Total-PeCDD <3.2 <0.65 Total-HxCDD <1.6 1.28 Total-HpCDD <1.2 <0.78

Total-TCDF <2.2 <0.56 Total-PeCDF <1.1 0.339 Total-HxCDF <1.1 <0.47 Total-HpCDF <2.0 2.06 Toxic Equivalency NATO Lower Bound PCDD/F TEQ 0.00 0.0376 Upper Bound PCDD/F TEQ 6.72 2.12 

# ALS Laboratory Group Sample Analysis Summary Report

ALS Canada Ltd L859467 100205r1.xls Page 2 of 5Sample Name Method Blank Sampling Date ALS Sample ID WG1068138-1 Extraction Date Analysis Method EPA 1613 B Sample Size Litres Analysis Type Blan k Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 2-100225B-09 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Unit s pg/L Instrument - Column HRMS-2 DB5ms #US9538813 H Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 2,3,7,8-TCDD NotFnd <3.4 3.4 U 1 1,2,3,7,8-PeCDD NotFnd <3.2 3.2 U 0.5 1,2,3,4,7,8-HxCDD NotFnd <1.5 1.5 U 0.1 1,2,3,6,7,8-HxCDD NotFnd <1.6 1.6 U 0.1 1,2,3,7,8,9-HxCDD NotFnd <1.6 1.6 U 0.1 1,2,3,4,6,7,8-HpCDD 36:47 <2.4 1.2 J R 0.01 OCDD NotFnd <4.4 4.4 U 0.001 2,3,7,8-TCDF NotFnd <2.2 2.2 U 0.1 1,2,3,7,8-PeCDF NotFnd <1.1 1.1 U 0.05 2,3,4,7,8-PeCDF 32:24 <1.1 1.1 U 0.5 1,2,3,4,7,8-HxCDF NotFnd <0.81 0.81 U 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.80 0.80 U 0.1 2,3,4,6,7,8-HxCDF NotFnd <0.82 0.82 U 0.1 1,2,3,7,8,9-HxCDF NotFnd <1.1 1.1 U 0.1 1,2,3,4,6,7,8-HpCDF NotFnd <1.4 1.4 U 0.01 1,2,3,4,7,8,9-HpCDF 37:08 <2.5 2.0 J R 0.01 OCDF NotFnd <5.7 5.7 U 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 28:12 69 25-164 13C12-1,2,3,7,8-PeCDD 32:34 65 25-181 13C12-1,2,3,4,7,8-HxCDD 34:47 75 32-141 13C12-1,2,3,6,7,8-HxCDD 34:50 73 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:47 72 23-140 13C12-OCDD 38:41 58 17-157 13C12-2,3,7,8-TCDF 26:52 66 24-169 13C12-1,2,3,7,8-PeCDF 31:45 70 24-185 13C12-2,3,4,7,8-PeCDF 32:23 67 21-178 13C12-1,2,3,4,7,8-HxCDF 34:16 78 26-152 13C12-1,2,3,6,7,8-HxCDF 34:21 73 26-123 13C12-2,3,4,6,7,8-HxCDF 34:42 75 29-147 13C12-1,2,3,7,8,9-HxCDF 35:15 71 28-136 13C12-1,2,3,4,6,7,8-HpCDF 36:08 68 28-143 13C12-1,2,3,4,7,8,9-HpCDF 37:09 69 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:14 65 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <3.4 3.4 Total-PeCDD 0 <3.2 3.2 Total-HxCDD 0 <1.6 1.6 Total-HpCDD 0 <1.2 1.2

Total-TCDF 0 <2.2 2.2 Total-PeCDF 0 <1.1 1.1 Total-HxCDF 0 <1.1 1.1 Total-HpCDF 0 <2.0 2.0 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.00 Upper Bound PCDD/F TEQ 6.72 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalenc y U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. 1 1

26-Feb-10 05:51 B. Reimer --e-signature--

5-Mar-10 

# ALS Laboratory Group

n/a 24-Feb-10 Approved: Laboratory Method Blank Analysis Repor t

Flags

ALS Canada Ltd L859467 100205r1.xls Page 3 of 5Sample Name 1002086-01J (UNDERFLOW DELISTING-01) Sampling Date ALS Sample ID L859467-1 Extraction Date Analysis Method EPA 1613 B Sample Size Litres Analysis Type Sample Percent Moisture Sample Matrix WATER Split Ratio Run Information Run 1 Filename 1-100302A-05 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Unit s pg/L Instrument - Column HRMS-1 DB5ms #US9538813 H Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 2,3,7,8-TCDD 27:57 <0.93 0.93 U 1 1,2,3,7,8-PeCDD 32:26 <0.65 0.65 U 0.5 1,2,3,4,7,8-HxCDD 34:36 <0.48 0.48 U 0.1 1,2,3,6,7,8-HxCDD 34:40 <0.61 0.53 J R 0.1 1,2,3,7,8,9-HxCDD 34:50 <0.51 0.51 U 0.1 1,2,3,4,6,7,8-HpCDD 36:35 <0.78 0.78 U 0.01 OCDD 38:27 <4.6 1.5 J R 0.001 2,3,7,8-TCDF NotFnd <0.56 0.56 U 0.1 1,2,3,7,8-PeCDF 31:39 0.339 0.30 J 0.05 2,3,4,7,8-PeCDF 32:16 <0.86 0.31 J R 0.5 1,2,3,4,7,8-HxCDF 34:05 <0.35 0.33 J R 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.33 0.33 U 0.1 2,3,4,6,7,8-HxCDF 34:30 <0.47 0.34 J R 0.1 1,2,3,7,8,9-HxCDF NotFnd <0.47 0.47 U 0.1 1,2,3,4,6,7,8-HpCDF 35:56 <0.70 0.62 J R 0.01 1,2,3,4,7,8,9-HpCDF 36:56 2.06 0.96 J 0.01 OCDF 38:37 <2.4 1.2 J R 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:53 69 25-164 13C12-1,2,3,7,8-PeCDD 32:27 53 25-181 13C12-1,2,3,4,7,8-HxCDD 34:35 71 32-141 13C12-1,2,3,6,7,8-HxCDD 34:39 75 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:34 62 23-140 13C12-OCDD 38:27 38 17-157 13C12-2,3,7,8-TCDF 26:31 64 24-169 13C12-1,2,3,7,8-PeCDF 31:38 64 24-185 13C12-2,3,4,7,8-PeCDF 32:16 58 21-178 13C12-1,2,3,4,7,8-HxCDF 34:05 74 26-152 13C12-1,2,3,6,7,8-HxCDF 34:10 74 26-123 13C12-2,3,4,6,7,8-HxCDF 34:30 69 29-147 13C12-1,2,3,7,8,9-HxCDF 35:02 61 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:55 58 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:55 51 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:56 61 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <0.93 0.93 Total-PeCDD 0 <0.65 0.65 Total-HxCDD 1 1.28 0.53 Total-HpCDD 0 <0.78 0.78

Total-TCDF 0 <0.56 0.56 Total-PeCDF 1 0.339 0.31 Total-HxCDF 0 <0.47 0.47 Total-HpCDF 1 2.06 0.96 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.0376 Upper Bound PCDD/F TEQ 2.12 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalenc y U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. Flags 1 5-Mar-10 

# ALS Laboratory Group Sample Analysis Repor t 2-Feb-10 24-Feb-10 Approved:

02-Mar-10 11:48 1.065 B. Reimer n/a --e-signature--

ALS Canada Ltd L859467 100205r1.xls Page 4 of 5Sample Name LCS Sampling Date ALS Sample ID WG1068138-2 Extraction Date Analysis Method EPA 1613 B Sample Size Analysis Type LCS Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 2-100225B-07 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Unit s % Rec Instrument - Column HRMS-2 DB5ms #US9538813 H Ret. Target Analytes Time % Rec Limits 2,3,7,8-TCDD 28:15 96 67-158 1,2,3,7,8-PeCDD 32:35 99 70-142 1,2,3,4,7,8-HxCDD 34:47 104 70-164 1,2,3,6,7,8-HxCDD 34:51 102 76-134 1,2,3,7,8,9-HxCDD 35:01 98 64-162 1,2,3,4,6,7,8-HpCDD 36:47 98 70-140 OCDD 38:42 97 78-144 2,3,7,8-TCDF 26:54 95 75-158 1,2,3,7,8-PeCDF 31:46 100 80-134 2,3,4,7,8-PeCDF 32:23 103 68-160 1,2,3,4,7,8-HxCDF 34:17 104 72-134 1,2,3,6,7,8-HxCDF 34:21 106 84-130 2,3,4,6,7,8-HxCDF 34:42 100 78-130 1,2,3,7,8,9-HxCDF 35:15 104 70-156 1,2,3,4,6,7,8-HpCDF 36:09 104 82-122 1,2,3,4,7,8,9-HpCDF 37:09 102 78-138 OCDF 38:51 101 63-170 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 28:12 72 20-175 13C12-1,2,3,7,8-PeCDD 32:34 73 21-227 13C12-1,2,3,4,7,8-HxCDD 34:47 75 21-193 13C12-1,2,3,6,7,8-HxCDD 34:50 78 25-163 13C12-1,2,3,4,6,7,8-HpCDD 36:47 77 26-166 13C12-OCDD 38:41 68 13-138 13C12-2,3,7,8-TCDF 26:52 71 22-152 13C12-1,2,3,7,8-PeCDF 31:45 69 21-192 13C12-2,3,4,7,8-PeCDF 32:22 73 13-328 13C12-1,2,3,4,7,8-HxCDF 34:16 79 19-202 13C12-1,2,3,6,7,8-HxCDF 34:21 75 21-159 13C12-2,3,4,6,7,8-HxCDF 34:42 79 17-205 13C12-1,2,3,7,8,9-HxCDF 35:15 73 22-176 13C12-1,2,3,4,6,7,8-HpCDF 36:08 70 21-158 13C12-1,2,3,4,7,8,9-HpCDF 37:09 73 20-186 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:15 67 31-191

ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. 1 B. Reimer n/a --e-signature--

26-Feb-10 04:24 5-Mar-10 1 

# ALS Laboratory Group Laboratory Control Sample Analysis Repor t n/a 24-Feb-10 Approved:

Flags

ALS Canada Ltd L859467 100205r1.xls Page 5 of 5

# ALS Laborator y Grou p

Environmental Division ANALYTICAL CHEMISTRY & TESTING SERVICES



## 14-Apr-2010 ERM Southwest, Inc. Tracy Jackson

Dear Tracy, 

# Re: ExxonMobil Baytown Refinery Work Order: 1003533 

# Fax: (281) 600-1001 

# Tel: (281) 600-1000 15810 Park Ten Place Houston, TX 77084 Suite 300

ALS Laboratory Group received 4 samples on 22-Mar-2010 01: 50 PM for the analyses presented in the following report.

Project Manager Hector Coronado 

# Hector Coronado
Electronically approved by: R. Kevin Given


### Certificate No: TX: T104704231-09-1 

## The analytical data provided relates directly to the samples received by ALS Laboratory Group and for only the analyses requested. Results are expressed as "as received" unless otherwise noted. QC sample results for this data met EPA or laborat ory specifications exceptas noted in the Case Narrative or as noted with qualifiers in the QC batch information. Should this laboratory report need to be reproduced, it should be reproduced in full unless wr itten approval has been obtained by ALS Laboratory Group. Samples will be disposed in 30 days unless storage arrangements are made. The total number of pages in this report is 32
. If you have any questions regarding this report, please feel free to call me. Sincerely,

10450 Stancliff Rd, Suite 210 Houston, Texas 77099-4338 

### ALS Group USA, Corp. Part of the ALS Laboratory Group Phone: (281) 530-5656 Fax: (281) 530-5887 www.alsglobal.com www.elabi.com

A Campbell Brothers Limited Company

## Date: 14-Apr-10 

# ALS Laboratory Group Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# Work Order Sample Summary Lab Samp ID Client Sample ID Collection Date Tag Number Date Received Matrix Hold 1003533-01 Underflow Delisting - 02 Wate r 3/22/2010 11:00 3/22/2010 13:50 1003533-02 Duplicate-01 Wate r 3/22/2010 08:00 3/22/2010 13:50 1003533-03 Trip Blank 563 Wate r 3/22/2010 3/22/2010 13:50 1003533-04 Trip Blank 2344 Wate r 3/22/2010 3/22/2010 13:50

SS Page 1 of 1

## Da te : 14
- A p r-10 

# A L S L a b o r a t o r y G r o up
Pr oj ec t: E xxo n M ob il B ay to wn Re f in e ry C li en t: E RM S out hw es t, In c. W o rk Order: 100 3 533 

# Ca s e Na r r a tive
T h e a nalyses f

o r Dio x i n a n d F ura n s were p e rf o r m e d at A L S La b o r ato ry G r o u p i n B u r li n g t o n, C a n a da. S e et h e att a c h ed r e p o r t f o r th e re s u l ts. B atc h R88 5 2 1 , V o l ati l e O rg an i c, ( sa mp l e Und e rf l ow De li st i n g -0 2 ) , M S D r ecove rywa s o u tsid e the c o nt r o l li m i ts fo r T e t rac h l o roeth en e.

CN Pa g e 1 of 1

## Project: ExxonMobil Baytown Refinery Sample ID: Underflow Delisting - 02 Collection Date: 3/22/2010 11:00 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1003533

Dilution

Factor Lab ID: 1003533-01 

# ALS Laboratory Group Date: 14-Apr-10

Date Prep MERCURY SW7470 Analyst: JCJ

Mercury 0.000200 mg/L 1 ND 3/26/2010 3/26/2010 01:43 PM 

### METALS SW6020 Analyst: SKS

Arsenic 0.00500 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Barium 0.00500 mg/L 1 0.0202 3/23/2010 3/24/2010 02:30 PM Cadmium 0.00200 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Chromium 0.00500 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Cobalt 0.00500 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Copper 0.00500 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Lead 0.00500 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Lithium a 0.00500 mg/L 1 ND 3/24/2010 3/30/2010 12:20 PM Manganese 0.00500 mg/L 1 0.0249 3/23/2010 3/24/2010 02:30 PM Molybdenum 0.00500 mg/L 1 0.0157 3/23/2010 3/24/2010 02:30 PM Selenium 0.00500 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Silver 0.00500 mg/L 1 ND 3/23/2010 3/24/2010 02:30 PM Zinc 0.00500 mg/L 1 0.0605 3/23/2010 3/24/2010 02:30 PM 

### SEMIVOLATILES SW8270 Analyst: ACN

2,4,5-Trichlorophenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM 2,4,6-Trichlorophenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM 2,4-Dinitrotoluene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM 2-Methylphenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM 3&4-Methylphenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM 3-Methylcholanthrene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Benz(a)anthracene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Benzo(a)pyrene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Benzo(b)fluoranthene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Benzo(k)fluoranthene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Chrysene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Hexachlorobenzene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Hexachlorobutadiene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Hexachloroethane 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Nitrobenzene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Pentachlorophenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Pyridine 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:35 PM Surr: 2,4,6-Tribromophenol 42-124 %REC 1 64.2 3/25/2010 3/26/2010 12:35 PM Surr: 2-Fluorobiphenyl 48-120 %REC 1 73.7 3/25/2010 3/26/2010 12:35 PM Surr: 2-Fluorophenol 20-120 %REC 1 57.3 3/25/2010 3/26/2010 12:35 PM Surr: 4-Terphenyl-d14 51-135 %REC 1 70.0 3/25/2010 3/26/2010 12:35 PM Surr: Nitrobenzene-d5 41-120 %REC 1 69.5 3/25/2010 3/26/2010 12:35 PM



## AR Page 1 of 6 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Sample ID: Underflow Delisting - 02 Collection Date: 3/22/2010 11:00 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1003533

Dilution

Factor Lab ID: 1003533-01 

# ALS Laboratory Group Date: 14-Apr-10

Date Prep Surr: Phenol-d6 20-120 %REC 1 62.5 3/25/2010 3/26/2010 12:35 PM 

### VOLATILES SW8260 Analyst: PC

1,1-Dichloroethene 0.0050 mg/L 1 ND 3/23/2010 02:51 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 3/23/2010 02:51 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 3/23/2010 02:51 PM 2-Butanone 0.010 mg/L 1 ND 3/23/2010 02:51 PM Benzene 0.0050 mg/L 1 ND 3/23/2010 02:51 PM Carbon tetrachloride 0.0050 mg/L 1 ND 3/23/2010 02:51 PM Chlorobenzene 0.0050 mg/L 1 ND 3/23/2010 02:51 PM Chloroform 0.0050 mg/L 1 ND 3/23/2010 02:51 PM Tetrachloroethene 0.0050 mg/L 1 ND 3/23/2010 02:51 PM Trichloroethene 0.0050 mg/L 1 ND 3/23/2010 02:51 PM Vinyl chloride 0.0020 mg/L 1 ND 3/23/2010 02:51 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 98.0 3/23/2010 02:51 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 95.2 3/23/2010 02:51 PM Surr: Dibromofluoromethane 71-125 %REC 1 103 3/23/2010 02:51 PM Surr: Toluene-d8 75-125 %REC 1 101 3/23/2010 02:51 PM 

### MISCELLANEOUS ANALYSIS NA Analyst: TOL

Miscellaneous Analysis 1 See Attached 4/14/2010 

### ANIONS E300 Analyst: IGF

Fluoride 0.100 mg/L 1 0.720 3/23/2010 11:50 AM Surr: Selenate (surr) 85-115 %REC 1 102 3/23/2010 11:50 AM 

### CYANIDE M4500CN E&G Analyst: JBA

Cyanide 0.00500 mg/L 1 ND 3/27/2010 03:00 PM Cyanide, Amenable to Chlorination 0.00500 mg/L 1 ND 3/27/2010 03:00 PM 

### PHOSPHORUS SM4500P E Analyst: DM

Phosphorus, Total (As P) 0.0500 mg/L 1 ND 3/29/2010 02:45 PM



## AR Page 2 of 6 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Sample ID: Duplicate-01 Collection Date: 3/22/2010 08:00 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1003533

Dilution

Factor Lab ID: 1003533-02 

# ALS Laboratory Group Date: 14-Apr-10

Date Prep MERCURY SW7470 Analyst: JCJ

Mercury 0.000200 mg/L 1 ND 3/26/2010 3/26/2010 01:57 PM 

### METALS SW6020 Analyst: ALR

Arsenic 0.00500 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Barium 0.00500 mg/L 1 0.0216 3/23/2010 3/25/2010 01:14 PM Cadmium 0.00200 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Chromium 0.00500 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Cobalt 0.00500 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Copper 0.00500 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Lead 0.00500 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Lithium a 0.00500 mg/L 1 ND 3/24/2010 3/30/2010 12:44 PM Manganese 0.00500 mg/L 1 0.0218 3/23/2010 3/25/2010 01:14 PM Molybdenum 0.00500 mg/L 1 0.0141 3/23/2010 3/25/2010 01:14 PM Selenium 0.00500 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Silver 0.00500 mg/L 1 ND 3/23/2010 3/25/2010 01:14 PM Zinc 0.00500 mg/L 1 0.0378 3/23/2010 3/25/2010 01:14 PM 

### SEMIVOLATILES SW8270 Analyst: ACN

2,4,5-Trichlorophenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM 2,4,6-Trichlorophenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM 2,4-Dinitrotoluene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM 2-Methylphenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM 3&4-Methylphenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM 3-Methylcholanthrene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Benz(a)anthracene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Benzo(a)pyrene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Benzo(b)fluoranthene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Benzo(k)fluoranthene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Chrysene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Hexachlorobenzene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Hexachlorobutadiene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Hexachloroethane 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Nitrobenzene 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Pentachlorophenol 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Pyridine 0.0050 mg/L 1 ND 3/25/2010 3/26/2010 12:11 PM Surr: 2,4,6-Tribromophenol 42-124 %REC 1 71.6 3/25/2010 3/26/2010 12:11 PM Surr: 2-Fluorobiphenyl 48-120 %REC 1 72.1 3/25/2010 3/26/2010 12:11 PM Surr: 2-Fluorophenol 20-120 %REC 1 47.8 3/25/2010 3/26/2010 12:11 PM Surr: 4-Terphenyl-d14 51-135 %REC 1 68.9 3/25/2010 3/26/2010 12:11 PM Surr: Nitrobenzene-d5 41-120 %REC 1 62.1 3/25/2010 3/26/2010 12:11 PM



## AR Page 3 of 6 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Sample ID: Duplicate-01 Collection Date: 3/22/2010 08:00 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1003533

Dilution

Factor Lab ID: 1003533-02 

# ALS Laboratory Group Date: 14-Apr-10

Date Prep Surr: Phenol-d6 20-120 %REC 1 52.1 3/25/2010 3/26/2010 12:11 PM 

### VOLATILES SW8260 Analyst: PC

1,1-Dichloroethene 0.0050 mg/L 1 ND 3/23/2010 04:31 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 3/23/2010 04:31 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 3/23/2010 04:31 PM 2-Butanone 0.010 mg/L 1 ND 3/23/2010 04:31 PM Benzene 0.0050 mg/L 1 ND 3/23/2010 04:31 PM Carbon tetrachloride 0.0050 mg/L 1 ND 3/23/2010 04:31 PM Chlorobenzene 0.0050 mg/L 1 ND 3/23/2010 04:31 PM Chloroform 0.0050 mg/L 1 ND 3/23/2010 04:31 PM Tetrachloroethene 0.0050 mg/L 1 ND 3/23/2010 04:31 PM Trichloroethene 0.0050 mg/L 1 ND 3/23/2010 04:31 PM Vinyl chloride 0.0020 mg/L 1 ND 3/23/2010 04:31 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 101 3/23/2010 04:31 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 97.0 3/23/2010 04:31 PM Surr: Dibromofluoromethane 71-125 %REC 1 108 3/23/2010 04:31 PM Surr: Toluene-d8 75-125 %REC 1 102 3/23/2010 04:31 PM 

### MISCELLANEOUS ANALYSIS NA Analyst: TOL

Miscellaneous Analysis 1 See Attached 4/14/2010 

### ANIONS E300 Analyst: IGF

Fluoride 0.100 mg/L 1 0.710 3/23/2010 12:54 PM Surr: Selenate (surr) 85-115 %REC 1 100 3/23/2010 12:54 PM 

### CYANIDE M4500CN E&G Analyst: JBA

Cyanide 0.00500 mg/L 1 ND 3/27/2010 03:00 PM Cyanide, Amenable to Chlorination 0.00500 mg/L 1 ND 3/27/2010 03:00 PM 

### PHOSPHORUS SM4500P E Analyst: DM

Phosphorus, Total (As P) 0.0500 mg/L 1 ND 3/29/2010 02:45 PM



## AR Page 4 of 6 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Sample ID: Trip Blank 563 Collection Date: 3/22/2010 Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1003533

Dilution

Factor Lab ID: 1003533-03 

# ALS Laboratory Group Date: 14-Apr-10

Date Prep VOLATILES SW8260 Analyst: PC

1,1-Dichloroethene 0.0050 mg/L 1 ND 3/23/2010 05:46 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 3/23/2010 05:46 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 3/23/2010 05:46 PM 2-Butanone 0.010 mg/L 1 ND 3/23/2010 05:46 PM Benzene 0.0050 mg/L 1 ND 3/23/2010 05:46 PM Carbon tetrachloride 0.0050 mg/L 1 ND 3/23/2010 05:46 PM Chlorobenzene 0.0050 mg/L 1 ND 3/23/2010 05:46 PM Chloroform 0.0050 mg/L 1 ND 3/23/2010 05:46 PM Tetrachloroethene 0.0050 mg/L 1 ND 3/23/2010 05:46 PM Trichloroethene 0.0050 mg/L 1 ND 3/23/2010 05:46 PM Vinyl chloride 0.0020 mg/L 1 ND 3/23/2010 05:46 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 95.0 3/23/2010 05:46 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 102 3/23/2010 05:46 PM Surr: Dibromofluoromethane 71-125 %REC 1 104 3/23/2010 05:46 PM Surr: Toluene-d8 75-125 %REC 1 107 3/23/2010 05:46 PM



## AR Page 5 of 6 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Sample ID: Trip Blank 2344 Collection Date: 3/22/2010 Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1003533

Dilution

Factor Lab ID: 1003533-04 

# ALS Laboratory Group Date: 14-Apr-10

Date Prep VOLATILES SW8260 Analyst: PC

1,1-Dichloroethene 0.0050 mg/L 1 ND 3/23/2010 06:11 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 3/23/2010 06:11 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 3/23/2010 06:11 PM 2-Butanone 0.010 mg/L 1 ND 3/23/2010 06:11 PM Benzene 0.0050 mg/L 1 ND 3/23/2010 06:11 PM Carbon tetrachloride 0.0050 mg/L 1 ND 3/23/2010 06:11 PM Chlorobenzene 0.0050 mg/L 1 ND 3/23/2010 06:11 PM Chloroform 0.0050 mg/L 1 ND 3/23/2010 06:11 PM Tetrachloroethene 0.0050 mg/L 1 ND 3/23/2010 06:11 PM Trichloroethene 0.0050 mg/L 1 ND 3/23/2010 06:11 PM Vinyl chloride 0.0020 mg/L 1 ND 3/23/2010 06:11 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 96.2 3/23/2010 06:11 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 93.8 3/23/2010 06:11 PM Surr: Dibromofluoromethane 71-125 %REC 1 103 3/23/2010 06:11 PM Surr: Toluene-d8 75-125 %REC 1 97.2 3/23/2010 06:11 PM



## AR Page 6 of 6 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Date: 14-Apr-10 

# ALS Laboratory Group Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41751 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 3/25/2010 02:18 PM Prep Date: 3/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1909638 MBLK Run ID: ICPMS03_100325A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW4-032310-41751

Arsenic 0.0050 ND Barium 0.0050 ND Cadmium 0.0020 ND Chromium 0.0050 ND Cobalt 0.0050 ND Copper 0.0050 ND Lead 0.0050 ND Manganese 0.0050 ND Molybdenum 0.0050 ND Selenium 0.0050 ND Silver 0.0050 ND Zinc 0.0050 ND

Qual RPD Limit Analysis Date: 3/24/2010 02:12 PM Prep Date: 3/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1908557 LCS Run ID: ICP7500_100324A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW4-032310-41751

0 0 0.05 Arsenic 95.8 80-120 0.0050 0.04791 0 0 0.05 Barium 96.7 80-120 0.0050 0.04837 0 0 0.05 Cadmium 98.3 80-120 0.0020 0.04915 0 0 0.05 Chromium 96.8 80-120 0.0050 0.04839 0 0 0.05 Cobalt 99.3 80-120 0.0050 0.04963 0 0 0.05 Copper 96.4 80-120 0.0050 0.04822 0 0 0.05 Lead 94.9 80-120 0.0050 0.04745 0 0 0.05 Manganese 95.4 80-120 0.0050 0.04768 0 0 0.05 Molybdenum 98.2 80-120 0.0050 0.0491 0 0 0.05 Selenium 99.1 80-120 0.0050 0.04953 0 0 0.05 Silver 101 80-120 0.0050 0.05063 0 0 0.05 Zinc 102 80-120 0.0050 0.05089

QC Page: 1 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41751 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 3/24/2010 02:42 PM Prep Date: 3/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1908662 MS Run ID: ICP7500_100324A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EMS

0 0.00111 0.05 Arsenic 99.6 80-120 0.0050 0.05091 0 0.02018 0.05 Barium 103 80-120 0.0050 0.07167 0 0.00002169 0.05 Cadmium 92.8 80-120 0.0020 0.04641 0 0.0006523 0.05 Chromium 100 80-120 0.0050 0.05063 0 0.00003262 0.05 Cobalt 99.7 80-120 0.0050 0.04987 0 0.002225 0.05 Copper 98 80-120 0.0050 0.05125 0 0.002522 0.05 Lead 96.6 80-120 0.0050 0.0508 0 0.02488 0.05 Manganese 100 80-120 0.0050 0.07502 0 0.01566 0.05 Molybdenum 100 80-120 0.0050 0.06586 0 0.002068 0.05 Selenium 105 80-120 0.0050 0.05456 0 0.0000175 0.05 Silver 98.8 80-120 0.0050 0.04943 0 0.0605 0.05 Zinc 105 80-120 0.0050 0.113

Qual RPD Limit Analysis Date: 3/24/2010 02:48 PM Prep Date: 3/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1908664 MSD Run ID: ICP7500_100324A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EMSD

0.05091 0.00111 0.05 Arsenic 113 80-120 15 0.0050 12 0.05739 0.07167 0.02018 0.05 Barium 108 80-120 15 0.0050 3.39 0.07414 0.04641 0.00002169 0.05 Cadmium 97.1 80-120 15 0.0020 4.55 0.04857 0.05063 0.0006523 0.05 Chromium 107 80-120 15 0.0050 6.33 0.05394 0.04987 0.00003262 0.05 Cobalt 106 80-120 15 0.0050 6.05 0.05298 0.05125 0.002225 0.05 Copper 104 80-120 15 0.0050 5.3 0.05404 0.0508 0.002522 0.05 Lead 99.8 80-120 15 0.0050 3.12 0.05241 0.07502 0.02488 0.05 Manganese 103 80-120 15 0.0050 1.77 0.07636 0.06586 0.01566 0.05 Molybdenum 107 80-120 15 0.0050 4.9 0.06917 0.05456 0.002068 0.05 Selenium 109 80-120 15 0.0050 3.71 0.05662 0.04943 0.0000175 0.05 Silver 102 80-120 15 0.0050 3.11 0.05099 0.113 0.0605 0.05 Zinc 104 80-120 15 0.0050 0.443 0.1125

QC Page: 2 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41751 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 3/24/2010 02:36 PM Prep Date: 3/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1908661 DUP Run ID: ICP7500_100324A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EDUP

J 0.00111 0 0 Arsenic 0 0-0 25 0.0050 0 0.001402 0.02018 0 0 Barium 0 0-0 25 0.0050 5.54 0.02133 0.00002169 0 0 Cadmium 0 0-0 25 0.0020 0 ND J 0.0006523 0 0 Chromium 0 0-0 25 0.0050 0 0.0007331 0.00003262 0 0 Cobalt 0 0-0 25 0.0050 0 ND J 0.002225 0 0 Copper 0 0-0 25 0.0050 0 0.002289 J 0.002522 0 0 Lead 0 0-0 25 0.0050 0 0.00248 0.02488 0 0 Manganese 0 0-0 25 0.0050 15.5 0.02906 0.01566 0 0 Molybdenum 0 0-0 25 0.0050 1.8 0.01538 0.002068 0 0 Selenium 0 0-0 25 0.0050 0 ND 0.0000175 0 0 Silver 0 0-0 25 0.0050 0 ND 0.0605 0 0 Zinc 0 0-0 25 0.0050 12.9 0.06887 The following samples were analyzed in this batch: 1003533-01E 1003533-02E

QC Page: 3 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41768 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 3/30/2010 12:13 PM Prep Date: 3/24/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1912873 MBLK Run ID: ICPMS03_100330A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW3-032410-41768

Lithium 0.0050 ND

Qual RPD Limit Analysis Date: 3/30/2010 12:16 PM Prep Date: 3/24/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1912874 LCS Run ID: ICPMS03_100330A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW3-032410-41768

0 0 0.1 Lithium 98.3 80-120 0.0050 0.0983

Qual RPD Limit Analysis Date: 3/30/2010 12:35 PM Prep Date: 3/24/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1912880 MS Run ID: ICPMS03_100330A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EMS

0 0 0.1 Lithium 101 80-120 0.0050 0.101

Qual RPD Limit Analysis Date: 3/30/2010 12:38 PM Prep Date: 3/24/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1912881 MSD Run ID: ICPMS03_100330A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EMSD

0.101 0 0.1 Lithium 96.2 80-120 15 0.0050 4.84 0.09623

Qual RPD Limit Analysis Date: 3/30/2010 12:23 PM Prep Date: 3/24/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1912876 DUP Run ID: ICPMS03_100330A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EDUP

0.001645 0 0 Lithium 0 0-0 25 0.0050 0 ND The following samples were analyzed in this batch: 1003533-01E 1003533-02E

QC Page: 4 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41805 Instrument ID HG02 Method: SW7470

Qual RPD Limit Analysis Date: 3/26/2010 01:37 PM Prep Date: 3/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1910793 MBLK Run ID: HG02_100326A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GBLKW1-032610-41805

Mercury 0.00020 ND

Qual RPD Limit Analysis Date: 3/26/2010 01:39 PM Prep Date: 3/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1910794 LCS Run ID: HG02_100326A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GLCSW1-032610-41805

0 0 0.005 Mercury 101 85-115 0.00020 0.00504

Qual RPD Limit Analysis Date: 3/26/2010 01:47 PM Prep Date: 3/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1910797 MS Run ID: HG02_100326A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EMS

0 -0.000001 0.005 Mercury 93.8 85-115 0.00020 0.00469

Qual RPD Limit Analysis Date: 3/26/2010 01:49 PM Prep Date: 3/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1910798 MSD Run ID: HG02_100326A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EMSD

0.00469 -0.000001 0.005 Mercury 93.4 85-115 20 0.00020 0.427 0.00467

Qual RPD Limit Analysis Date: 3/26/2010 01:45 PM Prep Date: 3/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1910796 DUP Run ID: HG02_100326A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01EDUP

-0.000001 0 0 Mercury 0 0-0 20 0.00020 0 ND The following samples were analyzed in this batch: 1003533-01E 1003533-02E

QC Page: 5 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41782 Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 3/25/2010 01:48 PM Prep Date: 3/25/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1910148 MBLK Run ID: SV-5_100325A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SBLKW1-100325-41782

2,4,5-Trichlorophenol 5.0 ND 2,4,6-Trichlorophenol 5.0 ND 2,4-Dinitrotoluene 5.0 ND 2-Methylphenol 5.0 ND 3&4-Methylphenol 5.0 ND 3-Methylcholanthrene 5.0 ND Benz(a)anthracene 5.0 ND Benzo(a)pyrene 5.0 ND Benzo(b)fluoranthene 5.0 ND Benzo(k)fluoranthene 5.0 ND Chrysene 5.0 ND Hexachlorobenzene 5.0 ND Hexachlorobutadiene 5.0 ND Hexachloroethane 5.0 ND Nitrobenzene 5.0 ND Pentachlorophenol 5.0 ND Pyridine 5.0 ND 0 0 100 Surr: 2,4,6-Tribromophenol 51.1 42-124 5.0 51.08 0 0 100 Surr: 2-Fluorobiphenyl 60.7 48-120 5.0 60.75 0 0 100 Surr: 2-Fluorophenol 49.4 20-120 5.0 49.42 0 0 100 Surr: 4-Terphenyl-d14 59.6 51-135 5.0 59.62 0 0 100 Surr: Nitrobenzene-d5 59.5 41-120 5.0 59.52 0 0 100 Surr: Phenol-d6 54.9 20-120 5.0 54.94

QC Page: 6 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41782 Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 3/25/2010 02:12 PM Prep Date: 3/25/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1910149 LCS Run ID: SV-5_100325A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSW1-100325-41782

0 0 100 2,4,5-Trichlorophenol 91.2 50-120 5.0 91.21 0 0 100 2,4,6-Trichlorophenol 93.5 50-120 5.0 93.49 0 0 50 2,4-Dinitrotoluene 87.7 50-120 5.0 43.87 0 0 100 2-Methylphenol 81.2 50-120 5.0 81.16 0 0 150 3&4-Methylphenol 79.7 55-120 5.0 119.5 0 0 50 3-Methylcholanthrene 92.4 50-120 5.0 46.21 0 0 50 Benz(a)anthracene 84.6 55-120 5.0 42.31 0 0 50 Benzo(a)pyrene 88.5 55-120 5.0 44.26 0 0 50 Benzo(b)fluoranthene 85.1 55-120 5.0 42.55 0 0 50 Benzo(k)fluoranthene 91.1 55-120 5.0 45.53 0 0 50 Chrysene 88.4 55-120 5.0 44.19 0 0 50 Hexachlorobenzene 82.7 55-120 5.0 41.35 0 0 50 Hexachlorobutadiene 79 55-120 5.0 39.48 0 0 50 Hexachloroethane 70.6 55-120 5.0 35.28 0 0 50 Nitrobenzene 77 55-120 5.0 38.48 0 0 100 Pentachlorophenol 115 55-120 5.0 114.8 0 0 50 Pyridine 57.2 35-120 5.0 28.59 0 0 100 Surr: 2,4,6-Tribromophenol 89.9 42-124 5.0 89.94 0 0 100 Surr: 2-Fluorobiphenyl 79.2 48-120 5.0 79.18 0 0 100 Surr: 2-Fluorophenol 72.1 20-120 5.0 72.07 0 0 100 Surr: 4-Terphenyl-d14 81.8 51-135 5.0 81.81 0 0 100 Surr: Nitrobenzene-d5 76.1 41-120 5.0 76.07 0 0 100 Surr: Phenol-d6 76.3 20-120 5.0 76.25

QC Page: 7 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41782 Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 3/26/2010 11:23 AM Prep Date: 3/25/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1910716 MS Run ID: SV-5_100325A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01FMS

0 0 100 2,4,5-Trichlorophenol 81.5 50-120 5.0 81.5 0 0 100 2,4,6-Trichlorophenol 86.4 50-120 5.0 86.42 0 0 50 2,4-Dinitrotoluene 77 50-120 5.0 38.49 0 0 100 2-Methylphenol 77.1 50-120 5.0 77.15 0 0 150 3&4-Methylphenol 76.6 55-120 5.0 114.9 0 0 50 3-Methylcholanthrene 92.8 50-120 5.0 46.39 0 0 50 Benz(a)anthracene 76.4 55-120 5.0 38.21 0 0 50 Benzo(a)pyrene 85.3 55-120 5.0 42.64 0 0 50 Benzo(b)fluoranthene 86.4 55-120 5.0 43.21 0 0 50 Benzo(k)fluoranthene 93.4 55-120 5.0 46.71 0 0 50 Chrysene 85.6 55-120 5.0 42.78 0 0 50 Hexachlorobenzene 76.3 55-120 5.0 38.17 0 0 50 Hexachlorobutadiene 74.5 55-120 5.0 37.26 0 0 50 Hexachloroethane 67.9 55-120 5.0 33.95 0 0 50 Nitrobenzene 74.8 55-120 5.0 37.39 0 0 100 Pentachlorophenol 105 55-120 5.0 104.8 0 0 50 Pyridine 54.3 35-120 5.0 27.17 0 0 100 Surr: 2,4,6-Tribromophenol 76.5 42-124 5.0 76.51 0 0 100 Surr: 2-Fluorobiphenyl 74.9 48-120 5.0 74.95 0 0 100 Surr: 2-Fluorophenol 68.9 20-120 5.0 68.9 0 0 100 Surr: 4-Terphenyl-d14 78.5 51-135 5.0 78.46 0 0 100 Surr: Nitrobenzene-d5 75.7 41-120 5.0 75.65 0 0 100 Surr: Phenol-d6 74.3 20-120 5.0 74.27

QC Page: 8 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: 41782 Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 3/26/2010 11:47 AM Prep Date: 3/25/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1910717 MSD Run ID: SV-5_100325A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01FMSD

81.5 0 100 2,4,5-Trichlorophenol 85.5 50-120 20 5.0 4.84 85.54 86.42 0 100 2,4,6-Trichlorophenol 89.6 50-120 20 5.0 3.61 89.6 38.49 0 50 2,4-Dinitrotoluene 76.1 50-120 20 5.0 1.18 38.04 77.15 0 100 2-Methylphenol 77.3 50-120 20 5.0 0.251 77.34 114.9 0 150 3&4-Methylphenol 74.1 55-120 20 5.0 3.39 111.1 46.39 0 50 3-Methylcholanthrene 85.3 50-120 20 5.0 8.36 42.67 38.21 0 50 Benz(a)anthracene 69.8 55-120 20 5.0 9.09 34.89 42.64 0 50 Benzo(a)pyrene 82.6 55-120 20 5.0 3.14 41.32 43.21 0 50 Benzo(b)fluoranthene 76.4 55-120 20 5.0 12.3 38.21 46.71 0 50 Benzo(k)fluoranthene 85.8 55-120 20 5.0 8.49 42.91 42.78 0 50 Chrysene 78.1 55-120 20 5.0 9.06 39.07 38.17 0 50 Hexachlorobenzene 78.2 55-120 20 5.0 2.44 39.11 37.26 0 50 Hexachlorobutadiene 80.4 55-120 20 5.0 7.59 40.2 33.95 0 50 Hexachloroethane 70.9 55-120 20 5.0 4.25 35.43 37.39 0 50 Nitrobenzene 76.6 55-120 20 5.0 2.38 38.29 104.8 0 100 Pentachlorophenol 102 55-120 20 5.0 2.91 101.8 27.17 0 50 Pyridine 58.9 35-120 20 5.0 7.97 29.43 76.51 0 100 Surr: 2,4,6-Tribromophenol 74.7 42-124 20 5.0 2.33 74.75 74.95 0 100 Surr: 2-Fluorobiphenyl 77.2 48-120 20 5.0 2.98 77.21 68.9 0 100 Surr: 2-Fluorophenol 69.1 20-120 20 5.0 0.299 69.1 78.46 0 100 Surr: 4-Terphenyl-d14 69.9 51-135 20 5.0 11.6 69.85 75.65 0 100 Surr: Nitrobenzene-d5 75 41-120 20 5.0 0.917 74.96 74.27 0 100 Surr: Phenol-d6 71.7 20-120 20 5.0 3.46 71.74 The following samples were analyzed in this batch: 1003533-01F 1003533-02F

QC Page: 9 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: R88521 Instrument ID VOA1 Method: SW8260

Qual RPD Limit Analysis Date: 3/23/2010 12:45 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1908542 MBLK Run ID: VOA1_100323C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VBLKW-032310-R88521

1,1-Dichloroethene 5.0 ND 1,2-Dichloroethane 5.0 ND 1,4-Dichlorobenzene 5.0 ND 2-Butanone 10 ND Benzene 5.0 ND Carbon tetrachloride 5.0 ND Chlorobenzene 5.0 ND Chloroform 5.0 ND Tetrachloroethene 5.0 ND Trichloroethene 5.0 ND Vinyl chloride 2.0 ND 0 0 50 Surr: 1,2-Dichloroethane-d4 97.4 70-125 5.0 48.68 0 0 50 Surr: 4-Bromofluorobenzene 104 72-125 5.0 51.82 0 0 50 Surr: Dibromofluoromethane 102 71-125 5.0 50.79 0 0 50 Surr: Toluene-d8 112 75-125 5.0 56.04

Qual RPD Limit Analysis Date: 3/23/2010 11:29 AM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1908541 LCS Run ID: VOA1_100323C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VLCSW-032310-R88521

0 0 50 1,1-Dichloroethene 106 73-124 5.0 52.94 0 0 50 1,2-Dichloroethane 111 78-120 5.0 55.65 0 0 50 1,4-Dichlorobenzene 98.5 80-120 5.0 49.23 0 0 100 2-Butanone 120 58-132 10 120 0 0 50 Benzene 118 73-121 5.0 58.98 0 0 50 Carbon tetrachloride 104 75-124 5.0 51.99 0 0 50 Chlorobenzene 99 80-120 5.0 49.52 0 0 50 Chloroform 102 80-120 5.0 50.94 0 0 50 Tetrachloroethene 97.6 79-120 5.0 48.78 0 0 50 Trichloroethene 106 80-120 5.0 53.13 0 0 50 Vinyl chloride 118 70-127 2.0 59.12 0 0 50 Surr: 1,2-Dichloroethane-d4 94.9 70-125 5.0 47.45 0 0 50 Surr: 4-Bromofluorobenzene 107 72-125 5.0 53.67 0 0 50 Surr: Dibromofluoromethane 102 71-125 5.0 50.93 0 0 50 Surr: Toluene-d8 97.6 75-125 5.0 48.8

QC Page: 10 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: R88521 Instrument ID VOA1 Method: SW8260

Qual RPD Limit Analysis Date: 3/23/2010 03:16 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1908544 MS Run ID: VOA1_100323C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01AMS

0 0 50 1,1-Dichloroethene 104 73-124 5.0 52.24 0 0 50 1,2-Dichloroethane 102 78-120 5.0 51.23 0 0 50 1,4-Dichlorobenzene 98 80-120 5.0 49 0 0 100 2-Butanone 110 58-132 10 109.7 0 0 50 Benzene 99.9 73-121 5.0 49.93 0 0 50 Carbon tetrachloride 90.9 75-124 5.0 45.44 0 0 50 Chlorobenzene 100 80-120 5.0 49.98 0 0 50 Chloroform 108 80-120 5.0 53.83 0 0 50 Tetrachloroethene 87.2 79-120 5.0 43.6 0 0 50 Trichloroethene 98.7 80-120 5.0 49.36 0 0 50 Vinyl chloride 108 70-127 2.0 53.82 0 0 50 Surr: 1,2-Dichloroethane-d4 96.9 70-125 5.0 48.44 0 0 50 Surr: 4-Bromofluorobenzene 101 72-125 5.0 50.45 0 0 50 Surr: Dibromofluoromethane 101 71-125 5.0 50.48 0 0 50 Surr: Toluene-d8 101 75-125 5.0 50.43

Qual RPD Limit Analysis Date: 3/23/2010 03:41 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1908545 MSD Run ID: VOA1_100323C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01AMSD

52.24 0 50 1,1-Dichloroethene 96.3 73-124 20 5.0 8.17 48.14 51.23 0 50 1,2-Dichloroethane 109 78-120 20 5.0 6.1 54.46 49 0 50 1,4-Dichlorobenzene 98.8 80-120 20 5.0 0.789 49.39 109.7 0 100 2-Butanone 124 58-132 20 10 12.6 124.4 49.93 0 50 Benzene 108 73-121 20 5.0 7.67 53.91 45.44 0 50 Carbon tetrachloride 85.2 75-124 20 5.0 6.49 42.58 49.98 0 50 Chlorobenzene 96.5 80-120 20 5.0 3.56 48.24 53.83 0 50 Chloroform 110 80-120 20 5.0 2.31 55.08 S 43.6 0 50 Tetrachloroethene 78.8 79-120 20 5.0 10.1 39.42 49.36 0 50 Trichloroethene 99.7 80-120 20 5.0 0.948 49.83 53.82 0 50 Vinyl chloride 105 70-127 20 2.0 2.77 52.35 48.44 0 50 Surr: 1,2-Dichloroethane-d4 103 70-125 20 5.0 6.19 51.53 50.45 0 50 Surr: 4-Bromofluorobenzene 97.6 72-125 20 5.0 3.31 48.8 50.48 0 50 Surr: Dibromofluoromethane 106 71-125 20 5.0 5.29 53.22 50.43 0 50 Surr: Toluene-d8 105 75-125 20 5.0 3.82 52.39 The following samples were analyzed in this batch: 1003533-01A 1003533-02A 1003533-03A 1003533-04A

QC Page: 11 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: R88499 Instrument ID ICS3000 Method: E300

Qual RPD Limit Analysis Date: 3/23/2010 10:46 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1908092 MBLK Run ID: ICS3000_100323A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-032310-R88499

Fluoride 0.10 ND 0 0 5 Surr: Selenate (surr) 98.2 85-115 0.10 4.912

Qual RPD Limit Analysis Date: 3/23/2010 11:07 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1908093 LCS Run ID: ICS3000_100323A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-032310-R88499

0 0 4 Fluoride 108 90-110 0.10 4.307 0 0 5 Surr: Selenate (surr) 99.9 85-115 0.10 4.994

Qual RPD Limit Analysis Date: 3/23/2010 11:29 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1908094 LCSD Run ID: ICS3000_100323A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSDW1-032310-R88499

0 0 4 Fluoride 107 90-110 20 0.10 0 4.295 0 0 5 Surr: Selenate (surr) 99.6 85-115 20 0.10 0 4.981

Qual RPD Limit Analysis Date: 3/23/2010 12:11 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1908096 MS Run ID: ICS3000_100323A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01BMS

0 0.72 2 Fluoride 111 80-120 0.10 2.933 0 0 5 Surr: Selenate (surr) 105 85-115 0.10 5.271

Qual RPD Limit Analysis Date: 3/23/2010 12:33 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1908097 MSD Run ID: ICS3000_100323A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01BMSD

2.933 0.72 2 Fluoride 110 80-120 20 0.10 0.547 2.917 5.271 0 5 Surr: Selenate (surr) 105 85-115 20 0.10 0.0569 5.274 The following samples were analyzed in this batch: 1003533-01B 1003533-02B

QC Page: 12 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: R88686 Instrument ID UV-2450 Method: M4500CN E&G

Qual RPD Limit Analysis Date: 3/27/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1911140 MBLK Run ID: UV-2450_100327A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-032610-R88686

Cyanide 0.0050 ND Cyanide, Amenable to Chlorination 0.0050 ND

Qual RPD Limit Analysis Date: 3/27/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1911141 LCS Run ID: UV-2450_100327A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-032610-R88686

0 0 0.2 Cyanide 85 80-120 0.0050 0.17

Qual RPD Limit Analysis Date: 3/27/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1911143 LCSD Run ID: UV-2450_100327A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSDW1-032610-R88686

0.17 0 0.2 Cyanide 85.5 80-120 20 0.0050 0.587 0.171

Qual RPD Limit Analysis Date: 3/27/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1911145 MS Run ID: UV-2450_100327A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01DMS

0 0.003 0.2 Cyanide 83.5 80-120 0.0050 0.17

Qual RPD Limit Analysis Date: 3/27/2010 03:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1911146 MSD Run ID: UV-2450_100327A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01DMSD

0.17 0.003 0.2 Cyanide 84.5 80-120 20 0.0050 1.17 0.172 The following samples were analyzed in this batch: 1003533-01D 1003533-02D

QC Page: 13 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

## Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. Work Order: 1003533 

# QC BATCH REPORT

Batch ID: R88721 Instrument ID UV-2450 Method: SM4500P E

Qual RPD Limit Analysis Date: 3/29/2010 02:45 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1911927 MBLK Run ID: UV-2450_100329A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-03292010-R88721

Phosphorus, Total (As P) 0.050 ND

Qual RPD Limit Analysis Date: 3/29/2010 02:45 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1911928 LCS Run ID: UV-2450_100329A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-03292010-R88721

0 0 0.25 Phosphorus, Total (As P) 106 80-120 0.050 0.264

Qual RPD Limit Analysis Date: 3/29/2010 02:45 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1911930 MS Run ID: UV-2450_100329A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01CMS

0 0.031 0.25 Phosphorus, Total (As P) 96 80-120 0.050 0.271

Qual RPD Limit Analysis Date: 3/29/2010 02:45 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1911931 MSD Run ID: UV-2450_100329A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01CMSD

0.271 0.031 0.25 Phosphorus, Total (As P) 95.2 80-120 20 0.050 0.741 0.269

Qual RPD Limit Analysis Date: 3/29/2010 02:45 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting - 02 SeqNo: 1911933 DUP Run ID: UV-2450_100329A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1003533-01cdup

J 0.031 0 0 Phosphorus, Total (As P) 0 0-0 20 0.050 0 0.029 The following samples were analyzed in this batch: 1003533-01C 1003533-02C

QC Page: 14 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

# ALS Laboratory Group Date: 14-Apr-10 

# QUALIFIERS, ACRONYMS, UNITS Project: ExxonMobil Baytown Refinery Client: ERM Southwest, Inc. WorkOrder: 1003533

Units Reported Description Qualifier Description

Acronym Description

Milligrams per Liter mg/L Value exceeds Regulatory Limit

* Not accredited a Analyte detected in the associated Method Blank above the Reporting Limit B Value above quantitation range E Analyzed outside of Holding Time H Analyte detected below quantitation limit J Manually integrated, see raw data for justification M Not offered for accreditation n Not Detected at the Reporting Limit ND Sample amount is > 4 times amount spiked O Dual Column results percent difference > 40% P RPD above laboratory control limit R Spike Recovery outside laboratory control limits S Analyzed but not detected above the MDL U Method Duplicate DUP Laboratory Control Sample LCS Laboratory Control Sample Duplicate LCSD Method Blank MBLK Method Detection Limit MDL Method Quantitation Limit MQL Matrix Spike

MS Matrix Spike Duplicate MSD Post Digestion Spike PDS Practical Quantitaion Limit PQL Serial Dilution SD Sample Detection Limit SDL Texas Risk Reduction Program TRRP

QF Page 1 of 1

# ALS Laboratory 

# Group Sample Receipt Checklist Client Name: ERMSW-HOU Work Order: 1003533 Date/Time Received: 22-Mar-10 13:50 Received by: RNG Checklist completed by eSignature Date 

### Reviewed by: Date eSignature 

### Matrices: Water Carrier name: Client Shipping container/cooler in good condition? Yes No Not Present Custody seals intact on shipping container/cooler? Yes No Not Present Custody seals intact on sample bottles? Yes No Not Present Chain of custody present? Yes No Chain of custody signed when relinquished and received? Yes No Chain of custody agrees with sample labels? Yes No Samples in proper container/bottle? Yes No Sample containers intact? Yes No Sufficient sample volume for indicated test? Yes No All samples received within holding time? Yes No Container/Temp Blank temperature in compliance? Yes No

Yes No No VOA vials submitted Water - VOA vials have zero headspace? Water - pH acceptable upon receipt? Yes No N/A Temperature(s)/Thermometer(s): 2.9c, 2.7c

Login Notes: Received two sets of trip blanks. 002 Cooler(s)/Kit(s): 563, 2344 22-Mar-10 

# R 

# a y 

# mond N Gamboa

pH adjusted? Yes No N/A pH adjusted by:

CorrectiveAction: Comments: Client Contacted: Date Co ntacted: Person Contacted: Contacted By: Regarding:



## SRC Pa g 

## e 1 of 1

### 5420 Mainway Drive, Unit 5, Burlington ON, L7L 6A4 Phone: 905-331-3111, FAX: 905-331-4567 CALA (ISO 17025:2005) Accreditation #: A3508 SCC (ISO 17025:2005) Accreditation Lab ID: 1003-15/779 Ont DW License #: 2285 NELAC Primary Accreditation, NJ DEP ID# CANA003: Secondary Accreditation, TX Cert# T104704433-08-TX


### ALS Project Contact: 

### Ron McLeod Client Name: 

### ALS Group USA Corp. ALS Project ID: 

### ALS800 Client Address: 

### 10450 Stancliff Road, Suite 210 ALS WO#: 

### L871261 Houston, TX Date of Report 

### 13-Apr-10 77099-4338 Date of Sample Receipt 

### 23-Mar-10 Client Contact: 

### Hector Coronado Client Project ID: 

### 1003533 COMMENTS: PCDD/F via EPA Method 1613B

Certified by: Ron McLeod, PhD Laboratory Manager and Technical Director Results in this certificate relate only to the samples as submitted to the laboratory. This report shall not be reproduced, except in full, without the written permission of ALS Canada Ltd. The test results herein meet all of the requirements of ISO 17025:2005 and NELAC (2003) standards unless stated otherwise in th e comments above. 

# Certificate of Analysis

ALS Canada Ltd L871261 100413.xls Page 1 of 6Sample Name Method Blank 1003533-02G (DUPLICATE-01) 1003533-01G ( UNDERFLOW DELISTING - 02) LCS ALS Sample ID WG1082585-1 L871261-1 L871261-2 WG1082585-2 Sample Size 1 0.99 0.97 1 Sample units Litres Litres Litres Moisture Content n/a n/a n/a n/a Matrix QC WATER WATER QC Sampling Date n/a 22-Mar-10 22-Mar-10 n/a Extraction Date 6-Apr-10 6-Apr-10 6-Apr-10 6-Apr-10 Target Analytes pg/L pg/L pg/L % Rec 2,3,7,8-TCDD <0.90 <1.1 <0.94 102 1,2,3,7,8-PeCDD <0.50 <0.60 <0.61 102 1,2,3,4,7,8-HxCDD <0.50 <0.41 <0.29 107 1,2,3,6,7,8-HxCDD <0.47 <0.39 <0.28 98 1,2,3,7,8,9-HxCDD <0.47 <0.39 <0.28 90 1,2,3,4,6,7,8-HpCDD <0.42 <0.87 <0.43 101 OCDD <0.98 <0.76 <0.46 99 2,3,7,8-TCDF <0.55 <0.46 <0.48 104 1,2,3,7,8-PeCDF <0.32 <0.36 <0.36 100 2,3,4,7,8-PeCDF <0.31 <0.34 <0.33 102 1,2,3,4,7,8-HxCDF <0.35 <0.19 <0.42 101 1,2,3,6,7,8-HxCDF <0.34 <0.17 <0.38 102 2,3,4,6,7,8-HxCDF <0.37 <0.20 <0.43 102 1,2,3,7,8,9-HxCDF <0.45 <0.22 <0.52 103 1,2,3,4,6,7,8-HpCDF <0.31 <0.39 <0.36 99 1,2,3,4,7,8,9-HpCDF <0.42 <0.57 <0.47 96 OCDF <0.85 <0.46 <0.55 112 Extraction Standards % Rec % Rec % Rec % Rec 13C12-2,3,7,8-TCDD 71 82 81 68 13C12-1,2,3,7,8-PeCDD 70 104 101 66 13C12-1,2,3,4,7,8-HxCDD 88 93 90 74 13C12-1,2,3,6,7,8-HxCDD 82 85 80 74 13C12-1,2,3,4,6,7,8-HpCDD 75 75 74 64 13C12-OCDD 68 64 61 53 13C12-2,3,7,8-TCDF 70 82 79 62 13C12-1,2,3,7,8-PeCDF 73 103 97 73 13C12-2,3,4,7,8-PeCDF 70 102 97 67 13C12-1,2,3,4,7,8-HxCDF 89 97 93 79 13C12-1,2,3,6,7,8-HxCDF 81 86 85 74 13C12-2,3,4,6,7,8-HxCDF 79 80 78 68 13C12-1,2,3,7,8,9-HxCDF 84 91 85 75 13C12-1,2,3,4,6,7,8-HpCDF 73 76 74 62 13C12-1,2,3,4,7,8,9-HpCDF 82 76 83 70 Cleanup Standard 37Cl4-2,3,7,8-TCDD 72 93 81 66 Homologue Group Totals pg/L pg/L pg/L Total-TCDD <0.90 2.14 <0.94 Total-PeCDD <0.50 <0.60 <0.41 Total-HxCDD <0.50 <0.41 <0.29 Total-HpCDD <0.42 <0.36 <0.43

Total-TCDF <0.55 <0.46 <0.48 Total-PeCDF <0.32 <0.36 <0.36 Total-HxCDF <0.45 <0.22 <0.52 Total-HpCDF <0.42 <0.57 <0.47 Toxic Equivalency NATO Lower Bound PCDD/F TEQ 0.00 0.00 0.00 Upper Bound PCDD/F TEQ 1.68 1.85 1.75 

# ALS Laboratory Group Sample Analysis Summary Report

ALS Canada Ltd L871261 100413.xls Page 2 of 6Sample Name Method Blank Sampling Date ALS Sample ID WG1082585-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Ana l ysis Type B l an k Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100409A-07 Run Date Final Volume 20 uL Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 DB5ms #US9538616H Ret. Conc. EDL TEF Tar g et Analytes Time p g /L p g /L NATO 2,3,7,8-TCDD NotFnd <0.90 0.90 U 1 1,2,3,7,8-PeCDD NotFnd <0.50 0.50 U 0.5 1,2,3,4,7,8-HxCDD NotFnd <0.50 0.50 U 0.1 1,2,3,6,7,8-HxCDD NotFnd <0.47 0.47 U 0.1 1,2,3,7,8,9-HxCDD NotFnd <0.47 0.47 U 0.1 1,2,3,4,6,7,8-HpCDD NotFnd <0.42 0.42 U 0.01 OCDD 38:26 <0.98 0.98 U 0.001 2,3,7,8-TCDF NotFnd <0.55 0.55 U 0.1 1,2,3,7,8-PeCDF NotFnd <0.32 0.32 U 0.05 2,3,4,7,8-PeCDF NotFnd <0.31 0.31 U 0.5 1,2,3,4,7,8-HxCDF NotFnd <0.35 0.35 U 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.34 0.34 U 0.1 2,3,4,6,7,8-HxCDF NotFnd <0.37 0.37 U 0.1 1,2,3,7,8,9-HxCDF NotFnd <0.45 0.45 U 0.1 1,2,3,4,6,7,8-HpCDF NotFnd <0.31 0.31 U 0.01 1,2,3,4,7,8,9-HpCDF NotFnd <0.42 0.42 U 0.01 OCDF NotFnd <0.85 0.85 U 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:47 71 25-164 13C12-1,2,3,7,8-PeCDD 32:24 70 25-181 13C12-1,2,3,4,7,8-HxCDD 34:33 88 32-141 13C12-1,2,3,6,7,8-HxCDD 34:37 82 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:31 75 23-140 13C12-OCDD 38:24 68 17-157 13C12-2,3,7,8-TCDF 26:26 70 24-169 13C12-1,2,3,7,8-PeCDF 31:36 73 24-185 13C12-2,3,4,7,8-PeCDF 32:13 70 21-178 13C12-1,2,3,4,7,8-HxCDF 34:03 89 26-152 13C12-1,2,3,6,7,8-HxCDF 34:07 81 26-123 13C12-2,3,4,6,7,8-HxCDF 34:28 79 29-147 13C12-1,2,3,7,8,9-HxCDF 35:00 84 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:53 73 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:53 82 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:50 72 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <0.90 0.90 Total-PeCDD 0 <0.50 0.50 Total-HxCDD 0 <0.50 0.50 Total-HpCDD 0 <0.42 0.42

Total-TCDF 0 <0.55 0.55 Total-PeCDF 0 <0.32 0.32 Total-HxCDF 0 <0.45 0.45 Total-HpCDF 0 <0.42 0.42 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.00 Upper Bound PCDD/F TEQ 1.68 EDL Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency U Indicates that this compound was not detected above the MDL. 1 n/a 1
09-Apr-10 19:02 B. Reimer --e-si g nature--

13-Apr-10 

# A LS Laboratory Group

n/a 6-Apr-10 Approved: Laborator y Method Blank Anal y sis Re p ort

Fla g s

ALS Canada Ltd L871261 100413.xls Page 3 of 6Sample Name 1003533-02G (DUPLICATE-01) Sampling Date ALS Sample ID L871261-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Ana l ysis Type Samp l e P e r c e n tM o i s t u r e Sample Matrix WATER Split Ratio Run Information Run 1 Filename 1-100412A-07 Run Date Final Volume 20 uL Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 DB5ms #US9538616H Ret. Conc. EDL TEF Tar g et Analytes Time p g /L p g /L NATO 2,3,7,8-TCDD NotFnd <1.1 1.1 U 1 1,2,3,7,8-PeCDD NotFnd <0.60 0.60 U 0.5 1,2,3,4,7,8-HxCDD NotFnd <0.41 0.41 U 0.1 1,2,3,6,7,8-HxCDD NotFnd <0.39 0.39 U 0.1 1,2,3,7,8,9-HxCDD NotFnd <0.39 0.39 U 0.1 1,2,3,4,6,7,8-HpCDD 36:33 <0.87 0.36 J R 0.01 OCDD NotFnd <0.76 0.76 U 0.001 2,3,7,8-TCDF NotFnd <0.46 0.46 U 0.1 1,2,3,7,8-PeCDF NotFnd <0.36 0.36 U 0.05 2,3,4,7,8-PeCDF NotFnd <0.34 0.34 U 0.5 1,2,3,4,7,8-HxCDF NotFnd <0.19 0.19 U 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.17 0.17 U 0.1 2,3,4,6,7,8-HxCDF NotFnd <0.20 0.20 U 0.1 1,2,3,7,8,9-HxCDF NotFnd <0.22 0.22 U 0.1 1,2,3,4,6,7,8-HpCDF NotFnd <0.39 0.39 U 0.01 1,2,3,4,7,8,9-HpCDF NotFnd <0.57 0.57 U 0.01 OCDF NotFnd <0.46 0.46 U 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:51 82 25-164 13C12-1,2,3,7,8-PeCDD 32:25 104 25-181 13C12-1,2,3,4,7,8-HxCDD 34:34 93 32-141 13C12-1,2,3,6,7,8-HxCDD 34:38 85 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:32 75 23-140 13C12-OCDD 38:26 64 17-157 13C12-2,3,7,8-TCDF 26:30 82 24-169 13C12-1,2,3,7,8-PeCDF 31:37 103 24-185 13C12-2,3,4,7,8-PeCDF 32:14 102 21-178 13C12-1,2,3,4,7,8-HxCDF 34:04 97 26-152 13C12-1,2,3,6,7,8-HxCDF 34:08 86 26-123 13C12-2,3,4,6,7,8-HxCDF 34:29 80 29-147 13C12-1,2,3,7,8,9-HxCDF 35:01 91 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:54 76 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:54 76 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:53 93 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 1 2.14 1.1 Total-PeCDD 0 <0.60 0.60 Total-HxCDD 0 <0.41 0.41 Total-HpCDD 0 <0.36 0.36

Total-TCDF 0 <0.46 0.46 Total-PeCDF 0 <0.36 0.36 Total-HxCDF 0 <0.22 0.22 Total-HpCDF 0 <0.57 0.57 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.00 Upper Bound PCDD/F TEQ 1.85 EDL Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency U Indicates that this compound was not detected above the MDL. J indicates that a tar g et analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. Fla g s 1 13-Apr-10 

# A LS Laboratory Group Sam p le Anal y sis Re p ort 22-Mar-10 6-Apr-10 Approved:

12-Apr-10 18:07 0.99 B. Reimer n/a --e-si g nature--

ALS Canada Ltd L871261 100413.xls Page 4 of 6Sample Name 1003533-01G (UNDERFLOW DELISTING - 02) Sampling Date ALS Sample ID L871261-2 Extraction Date Analysis Method EPA 1613B Sample Size Litres Ana l ysis Type Samp l e P e r c e n tM o i s t u r e Sample Matrix WATER Split Ratio Run Information Run 1 Filename 1-100412A-08 Run Date Final Volume 20 uL Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 DB5ms #US9538616H Ret. Conc. EDL TEF Tar g et Analytes Time p g /L p g /L NATO 2,3,7,8-TCDD NotFnd <0.94 0.94 U 1 1,2,3,7,8-PeCDD 32:27 <0.61 0.41 J R 0.5 1,2,3,4,7,8-HxCDD NotFnd <0.29 0.29 U 0.1 1,2,3,6,7,8-HxCDD NotFnd <0.28 0.28 U 0.1 1,2,3,7,8,9-HxCDD NotFnd <0.28 0.28 U 0.1 1,2,3,4,6,7,8-HpCDD NotFnd <0.43 0.43 U 0.01 OCDD 38:29 <0.46 0.46 U 0.001 2,3,7,8-TCDF NotFnd <0.48 0.48 U 0.1 1,2,3,7,8-PeCDF NotFnd <0.36 0.36 U 0.05 2,3,4,7,8-PeCDF NotFnd <0.33 0.33 U 0.5 1,2,3,4,7,8-HxCDF NotFnd <0.42 0.42 U 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.38 0.38 U 0.1 2,3,4,6,7,8-HxCDF NotFnd <0.43 0.43 U 0.1 1,2,3,7,8,9-HxCDF NotFnd <0.52 0.52 U 0.1 1,2,3,4,6,7,8-HpCDF NotFnd <0.36 0.36 U 0.01 1,2,3,4,7,8,9-HpCDF NotFnd <0.47 0.47 U 0.01 OCDF NotFnd <0.55 0.55 U 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:51 81 25-164 13C12-1,2,3,7,8-PeCDD 32:25 101 M 25-181 13C12-1,2,3,4,7,8-HxCDD 34:34 90 32-141 13C12-1,2,3,6,7,8-HxCDD 34:37 80 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:32 74 23-140 13C12-OCDD 38:26 61 17-157 13C12-2,3,7,8-TCDF 26:30 79 24-169 13C12-1,2,3,7,8-PeCDF 31:37 97 24-185 13C12-2,3,4,7,8-PeCDF 32:14 97 21-178 13C12-1,2,3,4,7,8-HxCDF 34:04 93 26-152 13C12-1,2,3,6,7,8-HxCDF 34:08 85 26-123 13C12-2,3,4,6,7,8-HxCDF 34:29 78 29-147 13C12-1,2,3,7,8,9-HxCDF 35:01 85 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:54 74 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:54 83 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:54 81 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <0.94 0.94 Total-PeCDD 0 <0.41 0.41 Total-HxCDD 0 <0.29 0.29 Total-HpCDD 0 <0.43 0.43

Total-TCDF 0 <0.48 0.48 Total-PeCDF 0 <0.36 0.36 Total-HxCDF 0 <0.52 0.52 Total-HpCDF 0 <0.47 0.47 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.00 Upper Bound PCDD/F TEQ 1.75 EDL Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency M Indicates that a peak has been manually inte g rated. U Indicates that this compound was not detected above the MDL. J indicates that a tar g et analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. 0.97 B. Reimer n/a --e-si g nature--

12-Apr-10 18:50 13-Apr-10 1 

# A LS Laboratory Group Sam p le Anal y sis Re p ort 22-Mar-10 6-Apr-10 Approved:

Fla g s

ALS Canada Ltd L871261 100413.xls Page 5 of 6Sample Name LCS Sampling Date ALS Sample ID WG1082585-2 Extraction Date Analysis Method EPA 1613B Sample Size Ana l ysis Type LCS Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100409A-04 Run Date Final Volume 20 uL Dilution Facto r 1 Analysis Units % Rec Instrument - Column HRMS-1 DB5ms #US9538616H Ret. Tar g et Analytes Time % Rec Limits 2,3,7,8-TCDD 27:51 102 67-158 1,2,3,7,8-PeCDD 32:25 102 70-142 1,2,3,4,7,8-HxCDD 34:34 107 70-164 1,2,3,6,7,8-HxCDD 34:37 98 76-134 1,2,3,7,8,9-HxCDD 34:47 90 64-162 1,2,3,4,6,7,8-HpCDD 36:32 101 70-140 OCDD 38:26 99 78-144 2,3,7,8-TCDF 26:29 104 75-158 1,2,3,7,8-PeCDF 31:37 100 80-134 2,3,4,7,8-PeCDF 32:14 102 68-160 1,2,3,4,7,8-HxCDF 34:03 101 72-134 1,2,3,6,7,8-HxCDF 34:08 102 84-130 2,3,4,6,7,8-HxCDF 34:29 102 78-130 1,2,3,7,8,9-HxCDF 35:01 103 70-156 1,2,3,4,6,7,8-HpCDF 35:54 99 82-122 1,2,3,4,7,8,9-HpCDF 36:53 96 78-138 OCDF 38:35 112 63-170 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:48 68 20-175 13C12-1,2,3,7,8-PeCDD 32:24 66 21-227 13C12-1,2,3,4,7,8-HxCDD 34:33 74 21-193 13C12-1,2,3,6,7,8-HxCDD 34:37 74 25-163 13C12-1,2,3,4,6,7,8-HpCDD 36:32 64 26-166 13C12-OCDD 38:25 53 13-138 13C12-2,3,7,8-TCDF 26:27 62 22-152 13C12-1,2,3,7,8-PeCDF 31:36 73 21-192 13C12-2,3,4,7,8-PeCDF 32:14 67 13-328 13C12-1,2,3,4,7,8-HxCDF 34:03 79 19-202 13C12-1,2,3,6,7,8-HxCDF 34:07 74 21-159 13C12-2,3,4,6,7,8-HxCDF 34:28 68 17-205 13C12-1,2,3,7,8,9-HxCDF 35:00 75 22-176 13C12-1,2,3,4,6,7,8-HpCDF 35:53 62 21-158 13C12-1,2,3,4,7,8,9-HpCDF 36:53 70 20-186 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:50 66 31-191

EDL Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. 1 B. Reimer n/a --e-si g nature--

09-Apr-10 16:51 13-Apr-10 1 

# A LS Laboratory Group Laborator y Control Sam p le Anal y sis Re p ort n/a 6-Apr-10 Approved:

Fla g s

ALS Canada Ltd L871261 100413.xls Page 6 of 6

# ALS Laborator y Grou p

Environmental Division ANALYTICAL CHEMISTRY & TESTING SERVICES



### 13-May-2010 ERM Southwest, Inc. Tracy Jackson

Dear Tracy, 

# Re: ExxonMobil Baytown Ref Work Order: 1004516 

# Fax: (281) 600-1001 

# Tel: (281) 600-1000 15810 Park Ten Place Houston, TX 77084 Suite 300

ALS Laboratory Group received 2 samples on 20-Apr-2010 11:49 AM for the analyses presented in the following report.

Project Manager Hector Coronado 

# Hector Coronado
Electronically approved by: Glenda H. Ramos
Certificate No: TX: T104704231-09-1 

### The analytical data provided relates directly to the samples received by ALS Laboratory Group and for only the analyses requested. Results are expressed as "as received" unless otherwise noted. QC sample results for this data met EPA or laboratory specifications except as noted in the Case Narrative or as noted with qualifiers in the QC batch information. Should this laboratory report need to be reproduced, it should be reproduced in full unless written approval has been obtained by ALS Laboratory Group. Samples will be disposed in 30 days unless storage arrangements are made. The total number of pages in this report is 2 7
. If you have any questions regarding this report, please feel free to call me. Sincerely,

10450 Stancliff Rd, Suite 210 Houston, Texas 77099-4338 ALS Group USA, Corp. Part of the ALS Laboratory Group Phone: (281) 530-5656 Fax: (281) 530-5887 www.alsglobal.com www.elabi.com

A Campbell Brothers Limited Company

## Date: 13-May-10 

# ALS Laboratory Group Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# Work Order Sample Summary Lab Samp ID Client Sample ID Collection Date Tag Number Date Received Matrix Hold 1004516-01 Underflow Delisting-03 Wate r 4/20/2010 10:15 4/20/2010 11:49 1004516-02 Trip Blank Wate r 4/20/2010 10:15 4/20/2010 11:49

SS Page 1 of 1

## Da te : 1 3
-M a y -10 

# A L S L a b o r a t o r y G r o up
Pr oj ec t: E xxonM ob il B ayto wn Ref C li en t: E RM S out hw es t, In c. W o rk Order: 100 4 516 

# Ca s e Na r r a tive
T h e a nalyses f

o r Dio x i n a n d F ura n s were p e rf o r m e d at A L S La b o r ato ry G r o u p i n B u r li n g t o n, C a n a da. S e et h e att a c h ed r e p o r t f o r th e re s u l ts. B atc h R89 8 3 6 , A n i ons b y S W - 9 0 56, ( s amp l e 1 0 0 44 67 - 0 1 ) , M S / M S D i s a n u n r e l a t ed s a m p l e. B atc h 4 2 4 19 , S e m i -V o l a t il e , M S / M S D sa mp l e s we r e n o t an a l yz ed d ue t ol i m ite d sa m p l e v o l u m e . A L C S a n d LC S D we r e an alyze d a nd re p or te d f o r th i s an a l yt i c a l ba tch.

CN Pa g e 1 of 1

## Project: ExxonMobil Baytown Ref Sample ID: Underflow Delisting-03 Collection Date: 4/20/2010 10:15 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1004516

Dilution

Factor Lab ID: 1004516-01 

# ALS Laboratory Group Date: 13-May-10

Date Prep MERCURY SW7470 Analyst: JCJ

Mercury 0.000200 mg/L 1 ND 4/28/2010 4/28/2010 02:16 PM 

### METALS SW6020 Analyst: ALR

Arsenic 0.00500 mg/L 1 ND 4/23/2010 4/27/2010 04:12 AM Barium 0.00500 mg/L 1 0.0250 4/23/2010 4/27/2010 04:12 AM Cadmium 0.00200 mg/L 1 ND 4/23/2010 4/27/2010 04:12 AM Chromium 0.00500 mg/L 1 ND 4/23/2010 4/27/2010 04:12 AM Cobalt 0.00500 mg/L 1 ND 4/23/2010 4/27/2010 04:12 AM Copper 0.00500 mg/L 1 ND 4/23/2010 4/27/2010 04:12 AM Lead 0.00500 mg/L 1 ND 4/23/2010 4/27/2010 04:12 AM Lithium a 0.00500 mg/L 1 ND 4/26/2010 5/5/2010 12:21 PM Manganese 0.00500 mg/L 1 0.0774 4/23/2010 4/27/2010 04:12 AM Molybdenum 0.00500 mg/L 1 0.0130 4/23/2010 4/27/2010 04:12 AM Selenium 0.00500 mg/L 1 0.00516 4/23/2010 4/27/2010 04:12 AM Silver 0.00500 mg/L 1 ND 4/23/2010 4/27/2010 04:12 AM Zinc 0.00500 mg/L 1 0.0440 4/23/2010 4/27/2010 04:12 AM 

### SEMIVOLATILES SW8270 Analyst: ACN

2,4,5-Trichlorophenol 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM 2,4,6-Trichlorophenol 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM 2,4-Dinitrotoluene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM 2-Methylphenol 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM 3&4-Methylphenol 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM 3-Methylcholanthrene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Benz(a)anthracene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Benzo(a)pyrene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Benzo(b)fluoranthene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Benzo(k)fluoranthene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Chrysene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Hexachlorobenzene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Hexachlorobutadiene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Hexachloroethane 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Nitrobenzene 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Pentachlorophenol 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Pyridine 0.0050 mg/L 1 ND 4/27/2010 4/27/2010 06:34 PM Surr: 2,4,6-Tribromophenol 42-124 %REC 1 81.9 4/27/2010 4/27/2010 06:34 PM Surr: 2-Fluorobiphenyl 48-120 %REC 1 84.9 4/27/2010 4/27/2010 06:34 PM Surr: 2-Fluorophenol 20-120 %REC 1 64.2 4/27/2010 4/27/2010 06:34 PM Surr: 4-Terphenyl-d14 51-135 %REC 1 87.3 4/27/2010 4/27/2010 06:34 PM Surr: Nitrobenzene-d5 41-120 %REC 1 71.8 4/27/2010 4/27/2010 06:34 PM



## AR Page 1 of 3 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Ref Sample ID: Underflow Delisting-03 Collection Date: 4/20/2010 10:15 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1004516

Dilution

Factor Lab ID: 1004516-01 

# ALS Laboratory Group Date: 13-May-10

Date Prep Surr: Phenol-d6 20-120 %REC 1 68.8 4/27/2010 4/27/2010 06:34 PM 

### VOLATILES SW8260 Analyst: HLBW

1,1-Dichloroethene 0.0050 mg/L 1 ND 5/4/2010 03:50 AM 1,2-Dichloroethane 0.0050 mg/L 1 ND 5/4/2010 03:50 AM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 5/4/2010 03:50 AM 2-Butanone 0.010 mg/L 1 ND 5/4/2010 03:50 AM Benzene 0.0050 mg/L 1 ND 5/4/2010 03:50 AM Carbon tetrachloride 0.0050 mg/L 1 ND 5/4/2010 03:50 AM Chlorobenzene 0.0050 mg/L 1 ND 5/4/2010 03:50 AM Chloroform 0.0050 mg/L 1 ND 5/4/2010 03:50 AM Tetrachloroethene 0.0050 mg/L 1 ND 5/4/2010 03:50 AM Trichloroethene 0.0050 mg/L 1 ND 5/4/2010 03:50 AM Vinyl chloride 0.0020 mg/L 1 ND 5/4/2010 03:50 AM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 89.4 5/4/2010 03:50 AM Surr: 4-Bromofluorobenzene 72-125 %REC 1 103 5/4/2010 03:50 AM Surr: Dibromofluoromethane 71-125 %REC 1 90.6 5/4/2010 03:50 AM Surr: Toluene-d8 75-125 %REC 1 98.7 5/4/2010 03:50 AM 

### MISCELLANEOUS ANALYSIS NA Analyst: HN

Miscellaneous Analysis 1 See Attached 5/10/2010 

### ANIONS SW9056 Analyst: IGF

Fluoride 0.100 mg/L 1 0.531 4/22/2010 06:08 PM Surr: Selenate (surr) 85-115 %REC 1 103 4/22/2010 06:08 PM 

### CYANIDE M4500CN E&G Analyst: JBA

Cyanide 0.00500 mg/L 1 ND 4/23/2010 03:50 PM Cyanide, Amenable to Chlorination 0.00500 mg/L 1 ND 4/23/2010 03:50 PM 

### PHOSPHORUS SM4500P E Analyst: DM

Phosphorus, Total (As P) 0.0500 mg/L 1 ND 4/26/2010 12:30 PM



## AR Page 2 of 3 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Ref Sample ID: Trip Blank Collection Date: 4/20/2010 10:15 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1004516

Dilution

Factor Lab ID: 1004516-02 

# ALS Laboratory Group Date: 13-May-10

Date Prep VOLATILES SW8260 Analyst: HLBW

1,1-Dichloroethene 0.0050 mg/L 1 ND 5/4/2010 02:03 AM 1,2-Dichloroethane 0.0050 mg/L 1 ND 5/4/2010 02:03 AM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 5/4/2010 02:03 AM 2-Butanone 0.010 mg/L 1 ND 5/4/2010 02:03 AM Benzene 0.0050 mg/L 1 ND 5/4/2010 02:03 AM Carbon tetrachloride 0.0050 mg/L 1 ND 5/4/2010 02:03 AM Chlorobenzene 0.0050 mg/L 1 ND 5/4/2010 02:03 AM Chloroform 0.0050 mg/L 1 ND 5/4/2010 02:03 AM Tetrachloroethene 0.0050 mg/L 1 ND 5/4/2010 02:03 AM Trichloroethene 0.0050 mg/L 1 ND 5/4/2010 02:03 AM Vinyl chloride 0.0020 mg/L 1 ND 5/4/2010 02:03 AM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 91.5 5/4/2010 02:03 AM Surr: 4-Bromofluorobenzene 72-125 %REC 1 103 5/4/2010 02:03 AM Surr: Dibromofluoromethane 71-125 %REC 1 91.4 5/4/2010 02:03 AM Surr: Toluene-d8 75-125 %REC 1 100 5/4/2010 02:03 AM



## AR Page 3 of 3 Note: See Qualifiers Page for a list of qualifiers and their explanation.

### Date: 13-May-10 

# ALS Laboratory Group Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42382 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 4/27/2010 02:48 AM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1937825 MBLK Run ID: ICPMS03_100426A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW2-042310-42382

Arsenic 0.0050 ND Barium 0.0050 ND Cadmium 0.0020 ND Chromium 0.0050 ND Cobalt 0.0050 ND Copper 0.0050 ND Manganese 0.0050 ND Molybdenum 0.0050 ND Selenium 0.0050 ND Silver 0.0050 ND Zinc 0.0050 ND

Qual RPD Limit Analysis Date: 4/27/2010 01:35 PM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1938263 MBLK Run ID: ICPMS03_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW2-042310-42382

Lead 0.0050 ND

Qual RPD Limit Analysis Date: 4/27/2010 02:53 AM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1937826 LCS Run ID: ICPMS03_100426A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW2-042310-42382

0 0 0.05 Arsenic 101 80-120 0.0050 0.05027 0 0 0.05 Barium 106 80-120 0.0050 0.05302 0 0 0.05 Cadmium 104 80-120 0.0020 0.05196 0 0 0.05 Chromium 102 80-120 0.0050 0.05117 0 0 0.05 Cobalt 102 80-120 0.0050 0.05091 0 0 0.05 Copper 101 80-120 0.0050 0.05064 0 0 0.05 Manganese 100 80-120 0.0050 0.05005 0 0 0.05 Molybdenum 99.7 80-120 0.0050 0.04984 0 0 0.05 Selenium 104 80-120 0.0050 0.05183 0 0 0.05 Silver 102 80-120 0.0050 0.05115 0 0 0.05 Zinc 111 80-120 0.0050 0.05539

Qual RPD Limit Analysis Date: 4/27/2010 01:40 PM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1938265 LCS Run ID: ICPMS03_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW2-042310-42382

0 0 0.05 Lead 96.9 80-120 0.0050 0.04845 QC Page: 1 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42382 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 4/27/2010 03:14 AM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1937832 MS Run ID: ICPMS03_100426A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BMS

0 0 0.05 Arsenic 110 80-120 0.0050 0.0551 0 0.1263 0.05 Barium 115 80-120 0.0050 0.1837 0 0 0.05 Cadmium 105 80-120 0.0020 0.05226 0 0.0006335 0.05 Chromium 108 80-120 0.0050 0.0546 0 0 0.05 Cobalt 108 80-120 0.0050 0.05375 0 0 0.05 Copper 105 80-120 0.0050 0.05227 0 0.0009154 0.05 Manganese 106 80-120 0.0050 0.05379 0 0.0009126 0.05 Molybdenum 106 80-120 0.0050 0.05379 0 0 0.05 Selenium 113 80-120 0.0050 0.05669 0 0 0.05 Silver 103 80-120 0.0050 0.05138 0 0.00918 0.05 Zinc 113 80-120 0.0050 0.06583

Qual RPD Limit Analysis Date: 4/27/2010 02:01 PM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1938273 MS Run ID: ICPMS03_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BMS

0 0.0001656 0.05 Lead 95.3 80-120 0.0050 0.04783

Qual RPD Limit Analysis Date: 4/27/2010 03:20 AM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1937834 MSD Run ID: ICPMS03_100426A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BMSD

0.0551 0 0.05 Arsenic 105 80-120 15 0.0050 4.89 0.05247 0.1837 0.1263 0.05 Barium 103 80-120 15 0.0050 3.15 0.178 0.05226 0 0.05 Cadmium 101 80-120 15 0.0020 3.15 0.05064 0.0546 0.0006335 0.05 Chromium 104 80-120 15 0.0050 3.52 0.05271 0.05375 0 0.05 Cobalt 104 80-120 15 0.0050 3.62 0.05184 0.05227 0 0.05 Copper 103 80-120 15 0.0050 1.93 0.05127 0.05379 0.0009154 0.05 Manganese 102 80-120 15 0.0050 3.17 0.05211 0.05379 0.0009126 0.05 Molybdenum 101 80-120 15 0.0050 4.56 0.05139 0.05669 0 0.05 Selenium 110 80-120 15 0.0050 2.9 0.05507 0.05138 0 0.05 Silver 100 80-120 15 0.0050 2.34 0.05019 0.06583 0.00918 0.05 Zinc 108 80-120 15 0.0050 3.97 0.06327

Qual RPD Limit Analysis Date: 4/27/2010 02:06 PM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1938275 MSD Run ID: ICPMS03_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BMSD

0.04783 0.0001656 0.05 Lead 97.9 80-120 15 0.0050 2.66 0.04912
QC Page: 2 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42382 Instrument ID ICPMS03 Method: SW6020

Qual RPD Limit Analysis Date: 4/27/2010 03:04 AM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1937828 DUP Run ID: ICPMS03_100426A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BDUP

0.0005971 0 0 Arsenic 0 0-0 25 0.0050 0 ND 0.1263 0 0 Barium 0 0-0 25 0.0050 1.96 0.1288 -0.0003104 0 0 Cadmium 0 0-0 25 0.0020 0 ND J 0.0006335 0 0 Chromium 0 0-0 25 0.0050 0 0.0006914 -0.00004692 0 0 Cobalt 0 0-0 25 0.0050 0 ND 0.0002313 0 0 Copper 0 0-0 25 0.0050 0 ND J 0.0009154 0 0 Manganese 0 0-0 25 0.0050 0 0.0009246 J 0.0009126 0 0 Molybdenum 0 0-0 25 0.0050 0 0.0007292 0.00173 0 0 Selenium 0 0-0 25 0.0050 0 ND -0.00004992 0 0 Silver 0 0-0 25 0.0050 0 ND 0.00918 0 0 Zinc 0 0-0 25 0.0050 0.36 0.009147

Qual RPD Limit Analysis Date: 4/27/2010 01:50 PM Prep Date: 4/23/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1938269 DUP Run ID: ICPMS03_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BDUP

0.0001656 0 0 Lead 0 0-0 25 0.0050 0 ND The following samples were analyzed in this batch: 1004516-01E

QC Page: 3 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42432 Instrument ID ICP7500 Method: SW6020

Qual RPD Limit Analysis Date: 5/5/2010 12:14 PM Prep Date: 4/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1948499 MBLK Run ID: ICP7500_100505A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW6-042610-42432

Lithium 0.0050 ND

Qual RPD Limit Analysis Date: 5/5/2010 12:17 PM Prep Date: 4/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1948500 LCS Run ID: ICP7500_100505A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW6-042610-42432

0 0 0.1 Lithium 97.4 80-120 0.0050 0.09742

Qual RPD Limit Analysis Date: 5/5/2010 01:36 PM Prep Date: 4/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-03 SeqNo: 1948507 MS Run ID: ICP7500_100505A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004516-01EMS

0 0.001852 0.1 Lithium 85.9 80-120 0.0050 0.08779

Qual RPD Limit Analysis Date: 5/5/2010 01:40 PM Prep Date: 4/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-03 SeqNo: 1948508 MSD Run ID: ICP7500_100505A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004516-01EMSD

0.08779 0.001852 0.1 Lithium 83.4 80-120 15 0.0050 2.94 0.08525

Qual RPD Limit Analysis Date: 5/5/2010 01:33 PM Prep Date: 4/26/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-03 SeqNo: 1948506 DUP Run ID: ICP7500_100505A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004516-01EDUP

0.001852 0 0 Lithium 0 0-0 25 0.0050 0 ND The following samples were analyzed in this batch: 1004516-01E

QC Page: 4 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42488 Instrument ID HG02 Method: SW7470

Qual RPD Limit Analysis Date: 4/28/2010 01:21 PM Prep Date: 4/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1939633 MBLK Run ID: HG02_100428A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GBLKW1-042810-42488

Mercury 0.00020 ND

Qual RPD Limit Analysis Date: 4/28/2010 01:23 PM Prep Date: 4/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1939634 LCS Run ID: HG02_100428A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GLCSW1-042810-42488

0 0 0.005 Mercury 100 85-115 0.00020 0.00502

Qual RPD Limit Analysis Date: 4/28/2010 01:31 PM Prep Date: 4/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1939637 MS Run ID: HG02_100428A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BMS

0 -0.000049 0.005 Mercury 102 85-115 0.00020 0.00503

Qual RPD Limit Analysis Date: 4/28/2010 01:33 PM Prep Date: 4/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1939638 MSD Run ID: HG02_100428A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BMSD

0.00503 -0.000049 0.005 Mercury 99.8 85-115 20 0.00020 1.81 0.00494

Qual RPD Limit Analysis Date: 4/28/2010 01:27 PM Prep Date: 4/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1939636 DUP Run ID: HG02_100428A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004530-05BDUP

-0.000049 0 0 Mercury 0 0-0 20 0.00020 0 ND The following samples were analyzed in this batch: 1004516-01E

QC Page: 5 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42419 Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 4/27/2010 01:17 PM Prep Date: 4/27/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1938592 MBLK Run ID: SV-5_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SBLKW1-100426-42419

2,4,5-Trichlorophenol 5.0 ND 2,4,6-Trichlorophenol 5.0 ND 2,4-Dinitrotoluene 5.0 ND 2-Methylphenol 5.0 ND 3&4-Methylphenol 5.0 ND 3-Methylcholanthrene 5.0 ND Benz(a)anthracene 5.0 ND Benzo(a)pyrene 5.0 ND Benzo(b)fluoranthene 5.0 ND Benzo(k)fluoranthene 5.0 ND Chrysene 5.0 ND Hexachlorobenzene 5.0 ND Hexachlorobutadiene 5.0 ND Hexachloroethane 5.0 ND Nitrobenzene 5.0 ND Pentachlorophenol 5.0 ND Pyridine 5.0 ND 0 0 100 Surr: 2,4,6-Tribromophenol 74.9 42-124 5.0 74.94 0 0 100 Surr: 2-Fluorobiphenyl 81.4 48-120 5.0 81.4 0 0 100 Surr: 2-Fluorophenol 65.3 20-120 5.0 65.33 0 0 100 Surr: 4-Terphenyl-d14 98.8 51-135 5.0 98.84 0 0 100 Surr: Nitrobenzene-d5 74 41-120 5.0 73.97 0 0 100 Surr: Phenol-d6 67.5 20-120 5.0 67.54

QC Page: 6 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42419 Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 4/27/2010 01:41 PM Prep Date: 4/27/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1938593 LCS Run ID: SV-5_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSW1-100426-42419

0 0 100 2,4,5-Trichlorophenol 84 50-120 5.0 84 0 0 100 2,4,6-Trichlorophenol 83.9 50-120 5.0 83.92 0 0 50 2,4-Dinitrotoluene 85.2 50-120 5.0 42.62 0 0 100 2-Methylphenol 84.9 50-120 5.0 84.87 0 0 150 3&4-Methylphenol 86 55-120 5.0 128.9 0 0 50 3-Methylcholanthrene 105 50-120 5.0 52.47 0 0 50 Benz(a)anthracene 81.8 55-120 5.0 40.88 0 0 50 Benzo(a)pyrene 92.1 55-120 5.0 46.03 0 0 50 Benzo(b)fluoranthene 96.1 55-120 5.0 48.04 0 0 50 Benzo(k)fluoranthene 98.3 55-120 5.0 49.17 0 0 50 Chrysene 84.4 55-120 5.0 42.22 0 0 50 Hexachlorobenzene 87.1 55-120 5.0 43.56 0 0 50 Hexachlorobutadiene 79.8 55-120 5.0 39.89 0 0 50 Hexachloroethane 77.1 55-120 5.0 38.56 0 0 50 Nitrobenzene 79.2 55-120 5.0 39.58 0 0 100 Pentachlorophenol 98 55-120 5.0 97.95 0 0 50 Pyridine 57.5 35-120 5.0 28.74 0 0 100 Surr: 2,4,6-Tribromophenol 83.1 42-124 5.0 83.15 0 0 100 Surr: 2-Fluorobiphenyl 82.3 48-120 5.0 82.26 0 0 100 Surr: 2-Fluorophenol 76.1 20-120 5.0 76.06 0 0 100 Surr: 4-Terphenyl-d14 81.8 51-135 5.0 81.84 0 0 100 Surr: Nitrobenzene-d5 75.4 41-120 5.0 75.44 0 0 100 Surr: Phenol-d6 79.5 20-120 5.0 79.54

QC Page: 7 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: 42419 Instrument ID SV-5 Method: SW8270

Qual RPD Limit Analysis Date: 4/27/2010 02:05 PM Prep Date: 4/27/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1938594 LCSD Run ID: SV-5_100427A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSDW1-100426-42419

84 0 100 2,4,5-Trichlorophenol 86.7 50-120 20 5.0 3.21 86.74 83.92 0 100 2,4,6-Trichlorophenol 86.5 50-120 20 5.0 3.02 86.5 42.62 0 50 2,4-Dinitrotoluene 87.2 50-120 20 5.0 2.31 43.62 84.87 0 100 2-Methylphenol 79.8 50-120 20 5.0 6.14 79.82 128.9 0 150 3&4-Methylphenol 79.3 55-120 20 5.0 8.06 119 52.47 0 50 3-Methylcholanthrene 110 50-120 20 5.0 4.78 55.04 40.88 0 50 Benz(a)anthracene 84.7 55-120 20 5.0 3.48 42.33 46.03 0 50 Benzo(a)pyrene 93.1 55-120 20 5.0 1.09 46.53 48.04 0 50 Benzo(b)fluoranthene 101 55-120 20 5.0 4.71 50.36 49.17 0 50 Benzo(k)fluoranthene 103 55-120 20 5.0 4.53 51.45 42.22 0 50 Chrysene 89.3 55-120 20 5.0 5.64 44.67 43.56 0 50 Hexachlorobenzene 87.2 55-120 20 5.0 0.108 43.6 39.89 0 50 Hexachlorobutadiene 88.3 55-120 20 5.0 10.1 44.13 38.56 0 50 Hexachloroethane 78.1 55-120 20 5.0 1.33 39.07 39.58 0 50 Nitrobenzene 81.2 55-120 20 5.0 2.54 40.6 97.95 0 100 Pentachlorophenol 99.6 55-120 20 5.0 1.64 99.57 28.74 0 50 Pyridine 65.6 35-120 20 5.0 13.1 32.78 83.15 0 100 Surr: 2,4,6-Tribromophenol 83.5 42-124 20 5.0 0.467 83.54 82.26 0 100 Surr: 2-Fluorobiphenyl 87.6 48-120 20 5.0 6.24 87.56 76.06 0 100 Surr: 2-Fluorophenol 76.4 20-120 20 5.0 0.406 76.37 81.84 0 100 Surr: 4-Terphenyl-d14 85.2 51-135 20 5.0 4 85.18 75.44 0 100 Surr: Nitrobenzene-d5 77.2 41-120 20 5.0 2.27 77.17 79.54 0 100 Surr: Phenol-d6 77 20-120 20 5.0 3.24 77 The following samples were analyzed in this batch: 1004516-01F

QC Page: 8 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: R90411 Instrument ID VOA6 Method: SW8260

Qual RPD Limit Analysis Date: 5/4/2010 01:37 AM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1947207 MBLK Run ID: VOA6_100503C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VBLKW2-100503-R90411

1,1-Dichloroethene 5.0 ND 1,2-Dichloroethane 5.0 ND 1,4-Dichlorobenzene 5.0 ND 2-Butanone 10 ND Benzene 5.0 ND Carbon tetrachloride 5.0 ND Chlorobenzene 5.0 ND Chloroform 5.0 ND Tetrachloroethene 5.0 ND Trichloroethene 5.0 ND Vinyl chloride 2.0 ND 0 0 50 Surr: 1,2-Dichloroethane-d4 94.6 70-125 5.0 47.32 0 0 50 Surr: 4-Bromofluorobenzene 100 72-125 5.0 50.21 0 0 50 Surr: Dibromofluoromethane 93.1 71-125 5.0 46.54 0 0 50 Surr: Toluene-d8 100 75-125 5.0 50.14

Qual RPD Limit Analysis Date: 5/4/2010 12:43 AM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1947206 LCS Run ID: VOA6_100503C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VLCSW2-100503-R90411

0 0 50 1,1-Dichloroethene 94.1 73-124 5.0 47.03 0 0 50 1,2-Dichloroethane 97 78-120 5.0 48.48 0 0 50 1,4-Dichlorobenzene 96.1 80-120 5.0 48.06 0 0 100 2-Butanone 108 58-132 10 108.1 0 0 50 Benzene 100 73-121 5.0 50.13 0 0 50 Carbon tetrachloride 88.9 75-124 5.0 44.47 0 0 50 Chlorobenzene 98.3 80-120 5.0 49.16 0 0 50 Chloroform 101 80-120 5.0 50.61 0 0 50 Tetrachloroethene 97.3 79-120 5.0 48.65 0 0 50 Trichloroethene 102 80-120 5.0 50.87 0 0 50 Vinyl chloride 93.2 70-127 2.0 46.59 0 0 50 Surr: 1,2-Dichloroethane-d4 97.1 70-125 5.0 48.54 0 0 50 Surr: 4-Bromofluorobenzene 101 72-125 5.0 50.4 0 0 50 Surr: Dibromofluoromethane 99.1 71-125 5.0 49.53 0 0 50 Surr: Toluene-d8 101 75-125 5.0 50.51

QC Page: 9 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: R90411 Instrument ID VOA6 Method: SW8260

Qual RPD Limit Analysis Date: 5/4/2010 02:57 AM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1947210 MS Run ID: VOA6_100503C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004900-02AMS

0 0 50 1,1-Dichloroethene 96.8 73-124 5.0 48.42 0 0 50 1,2-Dichloroethane 91.9 78-120 5.0 45.95 0 0 50 1,4-Dichlorobenzene 96.2 80-120 5.0 48.1 0 0 100 2-Butanone 92.9 58-132 10 92.9 0 0 50 Benzene 101 73-121 5.0 50.36 0 0 50 Carbon tetrachloride 97 75-124 5.0 48.48 0 0 50 Chlorobenzene 102 80-120 5.0 50.82 0 0 50 Chloroform 96.4 80-120 5.0 48.22 0 0 50 Tetrachloroethene 110 79-120 5.0 54.92 0 7.567 50 Trichloroethene 111 80-120 5.0 62.88 0 0 50 Vinyl chloride 95.9 70-127 2.0 47.96 0 0 50 Surr: 1,2-Dichloroethane-d4 87.5 70-125 5.0 43.73 0 0 50 Surr: 4-Bromofluorobenzene 99.8 72-125 5.0 49.91 0 0 50 Surr: Dibromofluoromethane 93.5 71-125 5.0 46.74 0 0 50 Surr: Toluene-d8 100 75-125 5.0 49.98

Qual RPD Limit Analysis Date: 5/4/2010 03:23 AM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1947213 MSD Run ID: VOA6_100503C SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004900-02AMSD

48.42 0 50 1,1-Dichloroethene 99.9 73-124 20 5.0 3.08 49.94 45.95 0 50 1,2-Dichloroethane 97.4 78-120 20 5.0 5.79 48.7 48.1 0 50 1,4-Dichlorobenzene 99.4 80-120 20 5.0 3.27 49.69 92.9 0 100 2-Butanone 99 58-132 20 10 6.4 99.04 50.36 0 50 Benzene 105 73-121 20 5.0 3.87 52.35 48.48 0 50 Carbon tetrachloride 97 75-124 20 5.0 0.0343 48.5 50.82 0 50 Chlorobenzene 103 80-120 20 5.0 1.01 51.34 48.22 0 50 Chloroform 101 80-120 20 5.0 4.83 50.61 54.92 0 50 Tetrachloroethene 107 79-120 20 5.0 2.27 53.69 62.88 7.567 50 Trichloroethene 110 80-120 20 5.0 0.887 62.33 47.96 0 50 Vinyl chloride 99 70-127 20 2.0 3.13 49.49 43.73 0 50 Surr: 1,2-Dichloroethane-d4 90.5 70-125 20 5.0 3.46 45.27 49.91 0 50 Surr: 4-Bromofluorobenzene 106 72-125 20 5.0 6.07 53.04 46.74 0 50 Surr: Dibromofluoromethane 95.5 71-125 20 5.0 2.15 47.75 49.98 0 50 Surr: Toluene-d8 99.8 75-125 20 5.0 0.176 49.89 The following samples were analyzed in this batch: 1004516-01A 1004516-02A

QC Page: 10 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: R89814 Instrument ID UV-2450 Method: M4500CN E&G

Qual RPD Limit Analysis Date: 4/23/2010 03:50 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1935577 MBLK Run ID: UV-2450_100423B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-042310-R89814

Cyanide 0.0050 ND Cyanide, Amenable to Chlorination 0.0050 ND

Qual RPD Limit Analysis Date: 4/23/2010 03:50 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1935578 LCS Run ID: UV-2450_100423B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-042310-R89814

0 0 0.2 Cyanide 89 80-120 0.0050 0.178

Qual RPD Limit Analysis Date: 4/23/2010 03:50 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1935583 MS Run ID: UV-2450_100423B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004517-02BMS

0 0.012 0.2 Cyanide 83 80-120 0.0050 0.178

Qual RPD Limit Analysis Date: 4/23/2010 03:50 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1935584 MSD Run ID: UV-2450_100423B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004517-02BMSD

0.178 0.012 0.2 Cyanide 85 80-120 20 0.0050 2.22 0.182

Qual RPD Limit Analysis Date: 4/23/2010 03:50 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1935582 DUP Run ID: UV-2450_100423B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004517-02BDUP

0.012 0 0 Cyanide 0 0-0 20 0.0050 8.7 0.011 0 0 0 Cyanide, Amenable to Chlorination 0 0-0 0 0.0050 0 ND The following samples were analyzed in this batch: 1004516-01C

QC Page: 11 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: R89836 Instrument ID ICS2100 Method: SW9056

Qual RPD Limit Analysis Date: 4/22/2010 03:02 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1936282 MBLK Run ID: ICS2100_100422D SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW2-042210-R89836

Fluoride 0.10 ND 0 0 5 Surr: Selenate (surr) 100 85-115 0.10 5.001

Qual RPD Limit Analysis Date: 4/22/2010 03:16 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1936283 LCS Run ID: ICS2100_100422D SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW2-042210-R89836

0 0 4 Fluoride 107 90-110 0.10 4.267 0 0 5 Surr: Selenate (surr) 99.2 85-115 0.10 4.962

Qual RPD Limit Analysis Date: 4/22/2010 04:29 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1936285 MS Run ID: ICS2100_100422D SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004467-01AMS

SEO 0 20.84 2 Fluoride -79.8 80-120 0.10 19.24 0 0 5 Surr: Selenate (surr) 102 85-115 0.10 5.077

Qual RPD Limit Analysis Date: 4/22/2010 04:44 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1936286 MSD Run ID: ICS2100_100422D SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004467-01AMSD

SEO 19.24 20.84 2 Fluoride -88.1 80-120 20 0.10 0.866 19.08 5.077 0 5 Surr: Selenate (surr) 99.3 85-115 20 0.10 2.19 4.967 The following samples were analyzed in this batch: 1004516-01B

QC Page: 12 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1004516 

# QC BATCH REPORT

Batch ID: R89857 Instrument ID UV-2450 Method: SM4500P E

Qual RPD Limit Analysis Date: 4/26/2010 12:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1936682 MBLK Run ID: UV-2450_100426B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-04262010-R89857

Phosphorus, Total (As P) 0.050 ND

Qual RPD Limit Analysis Date: 4/26/2010 12:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1936683 LCS Run ID: UV-2450_100426B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-04262010-R89857

0 0 0.25 Phosphorus, Total (As P) 99.6 80-120 0.050 0.249

Qual RPD Limit Analysis Date: 4/26/2010 12:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-03 SeqNo: 1936687 MS Run ID: UV-2450_100426B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004516-01DMS

0 0.02 0.25 Phosphorus, Total (As P) 96 80-120 0.050 0.26

Qual RPD Limit Analysis Date: 4/26/2010 12:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-03 SeqNo: 1936686 DUP Run ID: UV-2450_100426B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1004516-01DDUP

J 0.02 0 0 Phosphorus, Total (As P) 0 0-0 20 0.050 0 0.02 The following samples were analyzed in this batch: 1004516-01D

QC Page: 13 of 13 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

# ALS Laboratory Group Date: 13-May-10 

# QUALIFIERS, ACRONYMS, UNITS Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. WorkOrder: 1004516

Units Reported Description Qualifier Description

Acronym Description

Milligrams per Liter mg/L Value exceeds Regulatory Limit

* Not accredited a Analyte detected in the associated Method Blank above the Reporting Limit B Value above quantitation range E Analyzed outside of Holding Time H Analyte detected below quantitation limit J Manually integrated, see raw data for justification M Not offered for accreditation n Not Detected at the Reporting Limit ND Sample amount is > 4 times amount spiked O Dual Column results percent difference > 40% P RPD above laboratory control limit R Spike Recovery outside laboratory control limits S Analyzed but not detected above the MDL U Method Duplicate DUP Laboratory Control Sample LCS Laboratory Control Sample Duplicate LCSD Method Blank MBLK Method Detection Limit MDL Method Quantitation Limit MQL Matrix Spike MS Matrix Spike Duplicate MSD Post Digestion Spike PDS Practical Quantitaion Limit PQL Serial Dilution SD Sample Detection Limit SDL Texas Risk Reduction Program TRRP

QF Page 1 of 1

# ALS LaboratoryGrou p Sample Receipt Checklist Client Name: ERMSW-HOU Work Order: 1004516 Date/Time Received: 20-Apr-10 11:49 Received by: RSZ Checklist completed by eSignature Date Reviewed by: Date eSignature Matrices: water Carrier name: Client Shipping container/cooler in good condition? Yes No Not Present Custody seals intact on shipping container/cooler? Yes No Not Present Custody seals intact on sample bottles? Yes No Not Present Chain of custody present? Yes No Chain of custody signed when relinquished and received? Yes No Chain of custody agrees with sample labels? Yes No Samples in proper container/bottle? Yes No Sample containers intact? Yes No Sufficient sample volume for indicated test? Yes No All samples received within holding time? Yes No Container/Temp Blank temperature in compliance? Yes No

Yes No No VOA vials submitted Water - VOA vials have zero headspace? Water - pH acceptable upon receipt? Yes No N/A Temperature(s)/Thermometer(s): 2.7c

Login Notes: 002 Cooler(s)/Kit(s): 1933 21-Apr-10 22-Apr-10 

## R ichard Sanchez Hector Coronado

pH adjusted? Yes No N/A pH adjusted by:

CorrectiveAction: Comments: Client Contacted: Date Contacted: Person Contacted: Contacted By: Regarding:



### SRC Pa g e 1 of 1

### 5420 Mainway Drive, Unit 5, Burlington ON, L7L 6A4 Phone: 905-331-3111, FAX: 905-331-4567 CALA (ISO 17025:2005) Accreditation #: A3508 SCC (ISO 17025:2005) Accreditation Lab ID: 1003-15/779 Ont DW License #: 2285 NELAC Primary Accreditation, NJ DEP ID# CANA003: Secondary Accreditation, TX Cert# T104704433-08-TX

ALS Project Contact: 

### Steve Kennedy Client Name: 

### ALS Group USA Corp. ALS Project ID: 

### ALS800 Client Address: 

### 10450 Stancliff Road, Suite 210 ALS WO#: 

### L879731 Houston, TX Date of Report 

### 13-May-10 77099-4338 Date of Sample Receipt 

### 22-Apr-10 Client Contact: 

### Hector Coronado Client Project ID: 

### 1004516 COMMENTS: PCDD/F by EPA 1613 B 

### There are some positive concentrations and estimated maximum values in the method blank a result of carryover from a prior analyrical run. However, the absence of concentrations in the sample for a number of targets demonstrates the lack of positive bias for the sample run. No negative impact to overall data quality is expected

Certified by: Steve Kennedy Organic Laboratory Manage r Results in this certificate relate only to the samples as submitted to the laboratory. This report shall not be reproduced, except in full, without the written permission of ALS Canada Ltd. The test results herein meet all of the requirements of ISO 17025:2005 and NELAC (2003) standards unless stated otherwise in the comments above. 

# Certificate of Analysis

ALS Canada Ltd L879731 100513.xls Page 1 of 5Sample Name Method Blank 1004516-01G ( UNDERFLOW DELISTING-03) ALS Sample ID WG1098030-1 L879731-1 Sample Size 1 1.015 Sample units Litres Litres Lipid Content n/a n/a Matrix QC WATER Sampling Date n/a 20-Apr-10 Extraction Date 5-May-10 5-May-10 Target Analytes pg/g pg/g 2,3,7,8-TCDD <0.54 <0.66 1,2,3,7,8-PeCDD <1.2 <0.39 1,2,3,4,7,8-HxCDD <2.0 <0.54 1,2,3,6,7,8-HxCDD <1.2 0.550 1,2,3,7,8,9-HxCDD 1.68 0.634 1,2,3,4,6,7,8-HpCDD <3.3 <1.2 OCDD 7.15 <3.4 2,3,7,8-TCDF <0.26 <0.29 1,2,3,7,8-PeCDF <1.1 0.301 2,3,4,7,8-PeCDF <1.3 <0.57 1,2,3,4,7,8-HxCDF <1.4 <0.18 1,2,3,6,7,8-HxCDF 1.80 <0.28 2,3,4,6,7,8-HxCDF <1.1 <0.16 1,2,3,7,8,9-HxCDF 3.09 <0.55 1,2,3,4,6,7,8-HpCDF <1.8 <0.49 1,2,3,4,7,8,9-HpCDF <3.3 <0.36 OCDF <5.7 2.14 Extraction Standards % Rec % Rec 13C12-2,3,7,8-TCDD 70 71 13C12-1,2,3,7,8-PeCDD 92 105 13C12-1,2,3,4,7,8-HxCDD 75 77 13C12-1,2,3,6,7,8-HxCDD 82 77 13C12-1,2,3,4,6,7,8-HpCDD 60 66 13C12-OCDD 48 55 13C12-2,3,7,8-TCDF 69 69 13C12-1,2,3,7,8-PeCDF 93 101 13C12-2,3,4,7,8-PeCDF 98 108 13C12-1,2,3,4,7,8-HxCDF 91 89 13C12-1,2,3,6,7,8-HxCDF 87 83 13C12-2,3,4,6,7,8-HxCDF 81 78 13C12-1,2,3,7,8,9-HxCDF 72 77 13C12-1,2,3,4,6,7,8-HpCDF 71 72 13C12-1,2,3,4,7,8,9-HpCDF 64 69 Cleanup Standard 37Cl4-2,3,7,8-TCDD 70 72 Homologue Group Totals pg/g pg/g Total-TCDD 2.88 <0.66 Total-PeCDD <0.33 <0.39 Total-HxCDD 1.68 1.18 Total-HpCDD 0.685 <0.31

Total-TCDF <0.26 0.773 Total-PeCDF <0.32 0.315 Total-HxCDF 4.89 <0.21 Total-HpCDF <0.78 <0.35 Toxic Equivalency NATO Lower Bound PCDD/F TEQ 0.664 0.136 Upper Bound PCDD/F TEQ 3.19 1.50 

# ALS Laboratory Group Sample Analysis Summary Report

ALS Canada Ltd L879731 100513.xls Page 2 of 5Sample Name Method Blank Sampling Date ALS Sample ID WG1098030-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Analysis Type Blan k Percent Lipid Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100510A S:6 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units pg/g Instrument - Column HRMS-1 DB5ms #US9538813H Ret. Conc. EDL TEF Target Analytes Time pg/g pg/g NATO 2,3,7,8-TCDD NotFnd <0.54 0.54 U 1 1,2,3,7,8-PeCDD 32:27 <1.2 0.33 J R 0.5 1,2,3,4,7,8-HxCDD 34:38 <2.0 0.36 J R 0.1 1,2,3,6,7,8-HxCDD 34:41 <1.2 0.33 J R 0.1 1,2,3,7,8,9-HxCDD 34:51 1.68 0.34 J 0.1 1,2,3,4,6,7,8-HpCDD 36:38 <3.3 0.49 J R 0.01 OCDD 38:32 7.15 0.75 J 0.001 2,3,7,8-TCDF NotFnd <0.26 0.26 U 0.1 1,2,3,7,8-PeCDF 31:40 <1.1 0.32 J R 0.05 2,3,4,7,8-PeCDF 32:17 <1.3 0.28 J R 0.5 1,2,3,4,7,8-HxCDF 34:06 <1.4 0.30 J R 0.1 1,2,3,6,7,8-HxCDF 34:11 1.80 0.31 J 0.1 2,3,4,6,7,8-HxCDF 34:33 <1.1 0.32 J R 0.1 1,2,3,7,8,9-HxCDF 35:05 3.09 0.50 J 0.1 1,2,3,4,6,7,8-HpCDF 35:58 <1.8 0.46 J R 0.01 1,2,3,4,7,8,9-HpCDF 36:58 <3.3 0.78 J R 0.01 OCDF 38:41 <5.7 0.41 J R 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:56 70 25-164 13C12-1,2,3,7,8-PeCDD 32:27 92 25-181 13C12-1,2,3,4,7,8-HxCDD 34:37 75 32-141 13C12-1,2,3,6,7,8-HxCDD 34:41 82 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:37 60 23-140 13C12-OCDD 38:31 48 17-157 13C12-2,3,7,8-TCDF 26:34 69 24-169 13C12-1,2,3,7,8-PeCDF 31:39 93 24-185 13C12-2,3,4,7,8-PeCDF 32:16 98 21-178 13C12-1,2,3,4,7,8-HxCDF 34:06 91 26-152 13C12-1,2,3,6,7,8-HxCDF 34:11 87 26-123 13C12-2,3,4,6,7,8-HxCDF 34:32 81 29-147 13C12-1,2,3,7,8,9-HxCDF 35:05 72 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:58 71 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:58 64 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:58 70 35-197 Conc EDL Homologue Group Totals # peaks pg/g pg/g Total-TCDD 2 2.88 0.54 Total-PeCDD 0 <0.33 0.33 Total-HxCDD 1 1.68 0.36 Total-HpCDD 1 0.685 0.49

Total-TCDF 0 <0.26 0.26 Total-PeCDF 0 <0.32 0.32 Total-HxCDF 2 4.89 0.50 Total-HpCDF 0 <0.78 0.78 Toxic Equivalency NATO pg/g Lower Bound PCDD/F TEQ 0.664 Upper Bound PCDD/F TEQ 3.19 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. 1 n/a 1
10-May-10 18:39 B. Reime r --e-signature--

13-May-10 

# ALS Laboratory Group

n/a 5-May-10 Approved: Laborator y Method Blank Anal y sis Re p ort

Flags

ALS Canada Ltd L879731 100513.xls Page 3 of 5Sample Name 1004516-01G (UNDERFLOW DELISTING-03) Sampling Date ALS Sample ID L879731-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Analysis Type Sample Percent Lipid Sample Matrix WATER Split Ratio Run Information Run 1 Filename 1-100510A S:9 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units pg/g Instrument - Column HRMS-1 DB5ms #US9538813H Ret. Conc. EDL TEF Target Analytes Time pg/g pg/g NATO 2,3,7,8-TCDD NotFnd <0.66 0.66 U 1 1,2,3,7,8-PeCDD NotFnd <0.39 0.39 U 0.5 1,2,3,4,7,8-HxCDD 34:37 <0.54 0.44 J R 0.1 1,2,3,6,7,8-HxCDD 34:41 0.550 0.41 J 0.1 1,2,3,7,8,9-HxCDD 34:51 0.634 0.41 J B 0.1 1,2,3,4,6,7,8-HpCDD 36:36 <1.2 0.31 J R 0.01 OCDD 38:32 <3.4 0.41 J R 0.001 2,3,7,8-TCDF NotFnd <0.29 0.29 U 0.1 1,2,3,7,8-PeCDF 31:40 0.301 0.29 M J 0.05 2,3,4,7,8-PeCDF 32:17 <0.57 0.27 M J R 0.5 1,2,3,4,7,8-HxCDF 34:07 <0.18 0.14 J R 0.1 1,2,3,6,7,8-HxCDF 34:12 <0.28 0.14 J R 0.1 2,3,4,6,7,8-HxCDF 34:31 <0.16 0.15 J R 0.1 1,2,3,7,8,9-HxCDF 35:04 <0.55 0.21 J R 0.1 1,2,3,4,6,7,8-HpCDF 35:59 <0.49 0.22 J R 0.01 1,2,3,4,7,8,9-HpCDF 36:58 <0.36 0.35 J R 0.01 OCDF 38:41 2.14 0.38 J 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:56 71 25-164 13C12-1,2,3,7,8-PeCDD 32:27 105 25-181 13C12-1,2,3,4,7,8-HxCDD 34:37 77 32-141 13C12-1,2,3,6,7,8-HxCDD 34:41 77 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:36 66 23-140 13C12-OCDD 38:31 55 17-157 13C12-2,3,7,8-TCDF 26:34 69 24-169 13C12-1,2,3,7,8-PeCDF 31:39 101 24-185 13C12-2,3,4,7,8-PeCDF 32:16 108 21-178 13C12-1,2,3,4,7,8-HxCDF 34:06 89 26-152 13C12-1,2,3,6,7,8-HxCDF 34:11 83 26-123 13C12-2,3,4,6,7,8-HxCDF 34:32 78 29-147 13C12-1,2,3,7,8,9-HxCDF 35:04 77 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:58 72 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:58 69 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:58 72 35-197 Conc EDL Homologue Group Totals # peaks pg/g pg/g Total-TCDD 0 <0.66 0.66 Total-PeCDD 0 <0.39 0.39 Total-HxCDD 2 1.18 0.44 Total-HpCDD 0 <0.31 0.31

Total-TCDF 1 0.773 0.29 Total-PeCDF 2 0.315 0.29 Total-HxCDF 0 <0.21 0.21 Total-HpCDF 0 <0.35 0.35 Toxic Equivalency NATO pg/g Lower Bound PCDD/F TEQ 0.136 Upper Bound PCDD/F TEQ 1.50 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency M Indicates that a peak has been manually integrated. U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. B Indicates that this target was detected in the blank at greater than 10% of the sample concentration. Flags 1 13-May-10 

# ALS Laboratory Group Sam p le Anal y sis Re p ort 20-Apr-10 5-May-10 Approved:

10-May-10 20:49 1.015 B. Reime r n/a --e-signature--

ALS Canada Ltd L879731 100513.xls Page 4 of 5Sample Name LCS Sampling Date ALS Sample ID WG1098030-2 Extraction Date Analysis Method EPA 1613B Sample Size Analysis Type LCS Percent Lipid Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100510A S:3 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units % Rec Instrument - Column HRMS-1 DB5ms #US9538813H Ret. Target Analytes Time % Rec Limits 2,3,7,8-TCDD 27:58 103 67-158 1,2,3,7,8-PeCDD 32:28 106 70-142 1,2,3,4,7,8-HxCDD 34:37 112 70-164 1,2,3,6,7,8-HxCDD 34:41 100 76-134 1,2,3,7,8,9-HxCDD 34:52 98 64-162 1,2,3,4,6,7,8-HpCDD 36:37 102 70-140 OCDD 38:31 99 78-144 2,3,7,8-TCDF 26:36 100 75-158 1,2,3,7,8-PeCDF 31:40 102 80-134 2,3,4,7,8-PeCDF 32:17 100 68-160 1,2,3,4,7,8-HxCDF 34:07 97 72-134 1,2,3,6,7,8-HxCDF 34:12 101 84-130 2,3,4,6,7,8-HxCDF 34:32 101 78-130 1,2,3,7,8,9-HxCDF 35:05 101 70-156 1,2,3,4,6,7,8-HpCDF 35:59 100 82-122 1,2,3,4,7,8,9-HpCDF 36:58 96 78-138 OCDF 38:41 114 63-170 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:56 76 20-175 13C12-1,2,3,7,8-PeCDD 32:27 109 21-227 13C12-1,2,3,4,7,8-HxCDD 34:37 79 21-193 13C12-1,2,3,6,7,8-HxCDD 34:41 89 25-163 13C12-1,2,3,4,6,7,8-HpCDD 36:37 68 26-166 13C12-OCDD 38:31 55 13-138 13C12-2,3,7,8-TCDF 26:34 77 22-152 13C12-1,2,3,7,8-PeCDF 31:39 110 21-192 13C12-2,3,4,7,8-PeCDF 32:16 116 13-328 13C12-1,2,3,4,7,8-HxCDF 34:06 96 19-202 13C12-1,2,3,6,7,8-HxCDF 34:11 94 21-159 13C12-2,3,4,6,7,8-HxCDF 34:32 88 17-205 13C12-1,2,3,7,8,9-HxCDF 35:05 81 22-176 13C12-1,2,3,4,6,7,8-HpCDF 35:58 77 21-158 13C12-1,2,3,4,7,8,9-HpCDF 36:58 73 20-186 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:58 78 31-191

ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. 1 B. Reime r n/a --e-signature--

10-May-10 16:28 13-May-10 1 

# ALS Laboratory Group Laborator y Control Sam p le Anal y sis Re p ort n/a 5-May-10 Approved:

Flags

ALS Canada Ltd L879731 100513.xls Page 5 of 5

# A L S L a b o r ato r y G r oup

En v i ro nm e n t al Di v i s i on ANA L YT ICA L C H E M IS T RY & TES T IN G SERV I C ES



### 04 -J un - 2010
E R M S ou t h west, I n c. T r a c y J a ck s on

D ea r T r a c y, 

# Re: E xx

on M ob i l B a yt o wn R e f ine ry W o rk O r d e r: 1005 0 38 

# F a x: ( 28 1 ) 6 00 - 1001 

# T e l: ( 28 1 ) 6 00 - 1000 15810 P a rk T en P l a ce H ou st on , T X 7 7084 S u i t e 300

A L S Labo ra t o ry G r oup r e c e i ved 3 s a m p l e s on 03 - Ma y- 2010 01 : 1 5 P M fo r t h e a na l ys e s p re s e n t ed i n t he fo ll o w i ng r ep o rt.

P r o j e c t M a n a g er H e c t o r C o r o n a do 

# H ect o r Co r o n a do
E l ec tro n ica ll y a pp rove d by : H ec t o r C o ro n a do
C e rt i f i c at e N o : T X : T 104704231 - 10 -2 

### T he ana l y

t i c a l da t a p r o v i d ed r e l a t e s d i r e c t l y t o t he s a m p l e s r e c e i v ed b y A L S L a bo r a t o ry G r oup and fo r on l y t he an a l ys e s r eque st e d
. R e s u l ts a r e e xp r e ss e d a s " a s r e c e i ved " un l e ss o t he r w i s e n o t ed. Q C s a m p l e re s u l ts fo r t h i s da t a m e t EPA o r l abo r a t o ry s pe c i f i c a t i o n s e x c ep t a s no t ed i n t he C a s e N a rr a t i ve o r a s no t ed w i t h qua l i f i e rs i n t he Q C ba tc h i n fo r m a t i on . S hou l d t h i s l a bo r a t o ry r e p o rt need t o be r ep r odu c ed , i t s hou l d be r e p r odu c ed i n fu ll un l e ss w r i tt en app r o v a l ha s bee n o b t a i ned b y A L S Labo r a t o r y G r oup . S a m p l e s w i ll be d i s p o s ed i n 3 0 da ys un l e ss s t o r age a r ra n g e m en ts a r e m ade
. T he t o t a l n u m b e r o f page s i n t h i s r epo rt i s 32
. I f you ha ve a n y que st i on s r ega r d i ng t h i s r epo rt, p l e a s e fee l f r ee t o c a ll m e. S i n c e r e l y,

10 4 50 S tan cli ff Rd, S u i t e2 1 0 Hou s ton, T e x a s 77099 - 4338 A L S G r o u p US A, C o rp. P a rt of t he A L S L a b o r at o r y G r o up P hone: ( 281 ) 5 30 - 5 656 F a x : ( 28 1 ) 530 - 5887 www . a l s g l oba l
. c om ww w.e l ab i
. c om A C a m pbe ll B r

othe r s L im i t e d Co m pany

## D at e : 04- Jun-10 

# A L S L a b o r a t o r y G r o up
Pr oj ec t: E xxonM ob il B ayto wn Re f in e ry C li en t: E RM S out hw es t, In c. W o rk Order : 100 5 038 

# Wo r k O r d e r S a mp l e S u mm a ry
L a b S a m p ID C li en t S a m p l e ID Co ll ec t i o n Date T ag N u m ber Dat e R ece iv ed M a t r ix H old 10050 3 8-01 U nd e r f

l o w D e li s ting-04 W at er 5 / 3 /2010 10 : 30 5 / 3 /2010 13 : 15 10050 3 8-02 D u

p li c a t e - 02 W at er 5 / 3 /2010 12 : 00 5 / 3 /2010 13 : 15 10050 3 8-03 T r ip Bl ank W at er 5 / 3 /2010 5 / 3 /2010 13 : 15

SS Pa g e 1 o f

1

## Da te : 04-J un-10 

# A L S L a b o r a t o r y G r o up
Pr oj ec t: E xxonM ob il B ayto wn Re f in e ry C li en t: E RM S out hw es t, In c. W o rk Order: 100 5 038 

# Ca s e Na r r a tive
T h e a nalyses f

o r Dio x i n a n d F ura n s were p e rf o r m e d at A L S La b o r ato ry G r o u p i n B u r li n g t o n, C a n a da. S e et h e att a c h ed r e p o r t f o r th e re s u l ts. B atc h 4 2 7 26 , M eta l s, ( sa mp l e1 0 0 5 10 9 - 0 1 ) , M S / M S D is a n un re l a te d sa m p l e.

CN Pa g e 1 of 1

## P r o

j e c t: E xx onM ob il B ay to wn Re f in e ry S a mp l e I D: U nde r f low D e l i s ti ng -04 C oll ec t i o n Da t e: 5 / 3 /2010 10 : 30 AM M at r ix: WA T ER A n a ly se s R esu lt Q u a l U n it s Dat e A n a ly zed R e p o rt Li m it C li e n t: E RM S outhw es t, Inc. W o rk Order: 10 0 5038

D il u t i o n F a c tor L a b I D: 10 0 5038-01 

# A L S L a b o r a t o r y G r o up Dat e: 04-J un-10

Dat eP rep M ERCURY S W 7 4 70 A na l ys t: J CJ M e r cu ry 0
. 00 0 2 0 0 m g / L 1 U 5 / 1 0 / 2 0 10 5 / 10 / 2010 03 : 30 PM 

### M ETAL S S W 6 0 20 A na l ys t: A LR A r s en i c 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM B a r i u m 0 . 0 0 5 0 0 m g /L 1 0 . 0 2 24 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM C a d m iu m 0
. 0 0 2 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM C h r o m i u m 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM C o b a lt J 0 . 0 0 5 0 0 m g /L 1 0 . 00 0 9 53 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM C o pp er J 0 . 0 0 5 0 0 m g /L 1 0 . 0 0 2 23 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM L e ad J 0 . 0 0 5 0 0 m g /L 1 0 . 00 0 9 47 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM L i t h i u m a 0
. 0 0 5 0 0 m g / L 1 U 5 / 1 2 / 2 0 10 5 / 19 / 2010 12 : 09 PM M a ng a n e s e 0 . 0 0 5 0 0 m g /L 1 0 . 4 27 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM M o ly bd e n u m 0 . 0 0 5 0 0 m g /L 1 0 . 0 1 56 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM S e l e niu m 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM S i l v e r 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM Z in c 0 . 0 0 5 0 0 m g /L 1 0 . 0 3 17 5 / 6 / 2 0 10 5 / 7 / 2010 10 : 57 PM 

### LO W - LEV E L SE M I VOLAT I L E S S W 8 2 70 A na l ys t: LG 2 , 4 , 5 -Tr i c h l o r o p heno l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM 2 , 4 , 6 -Tr i c h l o r o p heno l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM 2 , 4 - D i n i t r o t o l uen e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM 2 - M e t h y lp h en o l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM 3 & 4 - Me t hy lp he n o l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM B e nz ( a ) an t h ra c en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM B en z o ( a ) p y r e n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM B e nz o ( b ) f l u o ra n t h en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM B e nz o ( k ) f l u o ra n t h en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM C h r y s en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM H e x a c h lo r o be nz e n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM H exa ch lo r o buta d i en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM H ex a c h lo r oe tha n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM N i tr obe nz e n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM P en t a c h l o r o ph eno l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM S u rr : 2, 4 , 6-Tr

ib r o mop h en o l 3 4 - 1 2 9 % R EC 1 78 .6 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM S u rr : 2 -F luo r obip h enyl 4 0 - 1 2 5 % R EC 1 75 .4 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM S u rr: 2 - Fl

u o r op h en o l 2 0 - 1 2 0 % R EC 1 7 1 .1 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM S ur r: 4 - T e r ph e ny l - d 1 4 4 0 - 1 3 5 % R EC 1 64 .9 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM S urr: N i tr oben ze ne - d5 4 1 - 1 2 0 % R EC 1 6 8 .2 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM S ur r: Phenol

- d 6 2 0 - 1 2 0 % R EC 1 64 .5 5 / 6 / 2 0 10 5 / 16 / 2010 01 : 52 AM 

### VOLA T I LE S S W 8 2 60 A na l ys t: PC



## AR Pa g e 1 o f 5 N o t e: S e e Q u a li f i e rs P a ge fo r a li s t of quali f i e rs a nd t h e i r ex pl a n at i o n.

## P r o

j e c t: E xx onM ob il B ay to wn Re f in e ry S a mp l e I D: U nde r f low D e l i s ti ng -04 C oll ec t i o n Da t e: 5 / 3 /2010 10 : 30 AM M at r ix: WA T ER A n a ly se s R esu lt Q u a l U n it s Dat e A n a ly zed R e p o rt Li m it C li e n t: E RM S outhw es t, Inc. W o rk Order: 10 0 5038

D il u t i o n F a c tor L a b I D: 10 0 5038-01 

# A L S L a b o r a t o r y G r o up Dat e: 04-J un-10

Dat eP rep 1 , 1 - D ich lo r o e t hen e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM 1 , 2 - D ich lo r o e t han e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM 1 , 4 - D ichl o r oben z en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM 2 - B u t a n on e 0
. 0 1 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM B e n ze n e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM C a r bon t et r a c h lo r i d e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM C h lo r obe nz e n e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM C h l o r o fo r m 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM T etr a chl o r o eth en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM T r i c h l o roe t h en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM V i n y l c h l o r i d e 0
. 00 2 0 m g / L 1 U 5 / 8 / 2010 10 : 04 PM S u rr : 1 , 2 -D i ch l o r oe tha n e -d4 70 - 1 2 5 % R EC 1 9 2 .2 5 / 8 / 2010 10 : 04 PM S ur r: 4 - B r omo f l uo r o ben ze n e 72 - 1 2 5 % R EC 1 9 7 .4 5 / 8 / 2010 10 : 04 PM S u rr: D i b r omo f l u o r om e t ha n e 7 1 - 1 2 5 % R EC 1 9 7 .2 5 / 8 / 2010 10 : 04 PM S ur r: T oluene - d8 75 - 1 2 5 % R EC 1 9 8 .8 5 / 8 / 2010 10 : 04 PM 

### M I SCELLANE O US ANA LYS I S NA A na l ys t: HN M i sce ll a n e o u s A n a l y s is 1 S ee A tt ac h ed 5 / 1 7 / 2 0 10 

### AN I O N S E 300 A na l ys t: I GF F l uo r i d e 0 . 1 0 0 m g /L 1 0 . 4 02 5 /4 / 2010 11 : 36 AM S urr: S e l ena te ( s urr ) 8 5 - 1 1 5 % R EC 1 8 9 .8 5 /4 / 2010 11 : 36 AM 

### CYAN I D E M 4500CN E&G A na l ys t: J BA C yan id e 0
. 0 0 5 0 0 m g / L 1 U 5 / 11 / 2010 03 : 45 PM C y a n i d e , A m enable t o C h l o r in a t io n 0
. 0 0 5 0 0 m g / L 1 U 5 / 11 / 2010 03 : 45 PM 

### PHOSP H O R U S S M 4500P E A na l ys t: DM P ho s phoru s , T ot a l ( As P ) 0 . 05 0 0 m g /L 1 0 . 0 9 50 5 / 7 / 2 0 10 5 / 12 / 2010 01 : 10 PM



## AR Pa g e 2 o f 5 N o t e: S e e Q u a li f i e rs P a ge fo r a li s t of quali f i e rs a nd t h e i r ex pl a n at i o n.

## P r o

j e c t: E xx onM ob il B ay to wn Re f in e ry S a mp l e I D: D u

p li c a t e - 02 C oll ec t i o n Da t e: 5 / 3 /2010 12 : 00 PM M at r ix: WA T ER A n a ly se s R esu lt Q u a l U n it s Dat e A n a ly zed R e p o rt Li m it C li e n t: E RM S outhw es t, Inc. W o rk Order: 10 0 5038

D il u t i o n F a c tor L a b I D: 10 0 5038-02 

# A L S L a b o r a t o r y G r o up Dat e: 04-J un-10

Dat eP rep M ERCURY S W 7 4 70 A na l ys t: J CJ M e r cu ry 0
. 00 0 2 0 0 m g / L 1 U 5 / 1 0 / 2 0 10 5 / 10 / 2010 03 : 32 PM 

### M ETAL S S W 6 0 20 A na l ys t: A LR A r s en i c 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM B a r i u m 0 . 0 0 5 0 0 m g /L 1 0 . 0 2 24 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM C a d m iu m 0
. 0 0 2 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM C h r o m i u m 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM C o b a lt J 0 . 0 0 5 0 0 m g /L 1 0 . 00 0 9 26 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM C o pp er J 0 . 0 0 5 0 0 m g /L 1 0 . 0 0 2 07 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM L e ad J 0 . 0 0 5 0 0 m g /L 1 0 . 0 0 1 04 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM L i t h i u m a 0
. 0 0 5 0 0 m g / L 1 U 5 / 1 2 / 2 0 10 5 / 19 / 2010 12 : 34 PM M a ng a n e s e 0 . 0 0 5 0 0 m g /L 1 0 . 4 06 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM M o ly bd e n u m 0 . 0 0 5 0 0 m g /L 1 0 . 0 1 50 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM S e l e niu m 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM S i l v e r 0
. 0 0 5 0 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM Z in c 0 . 0 0 5 0 0 m g /L 1 0 . 0 3 16 5 / 6 / 2 0 10 5 / 7 / 2010 11 : 02 PM 

### LO W - LEV E L SE M I VOLAT I L E S S W 8 2 70 A na l ys t: LG 2 , 4 , 5 -Tr i c h l o r o p heno l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM 2 , 4 , 6 -Tr i c h l o r o p heno l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM 2 , 4 - D i n i t r o t o l uen e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM 2 - M e t h y lp h en o l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM 3 & 4 - Me t hy lp he n o l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM B e nz ( a ) an t h ra c en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM B en z o ( a ) p y r e n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM B e nz o ( b ) f l u o ra n t h en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM B e nz o ( k ) f l u o ra n t h en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM C h r y s en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM H e x a c h lo r o be nz e n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM H exa ch lo r o buta d i en e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM H ex a c h lo r oe tha n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM N i tr obe nz e n e 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM P en t a c h l o r o ph eno l 0
. 0 0 0 2 0 m g / L 1 U 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM S u rr : 2, 4 , 6-Tr

ib r o mop h en o l 3 4 - 1 2 9 % R EC 1 7 7 .9 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM S u rr : 2 -F luo r obip h enyl 4 0 - 1 2 5 % R EC 1 70 .1 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM S u rr: 2 - Fl

u o r op h en o l 2 0 - 1 2 0 % R EC 1 6 3 .8 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM S ur r: 4 - T e r ph e ny l - d 1 4 4 0 - 1 3 5 % R EC 1 78 .3 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM S urr: N i tr oben ze ne - d5 4 1 - 1 2 0 % R EC 1 7 4 .1 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM S ur r: Phenol

- d 6 2 0 - 1 2 0 % R EC 1 6 5 .0 5 / 6 / 2 0 10 5 / 19 / 2010 01 : 10 PM 

### VOLA T I LE S S W 8 2 60 A na l ys t: PC



## AR Pa g e 3 o f 5 N o t e: S e e Q u a li f i e rs P a ge fo r a li s t of quali f i e rs a nd t h e i r ex pl a n at i o n.

## P r o

j e c t: E xx onM ob il B ay to wn Re f in e ry S a mp l e I D: D u

p li c a t e - 02 C oll ec t i o n Da t e: 5 / 3 /2010 12 : 00 PM M at r ix: WA T ER A n a ly se s R esu lt Q u a l U n it s Dat e A n a ly zed R e p o rt Li m it C li e n t: E RM S outhw es t, Inc. W o rk Order: 10 0 5038

D il u t i o n F a c tor L a b I D: 10 0 5038-02 

# A L S L a b o r a t o r y G r o up Dat e: 04-J un-10

Dat eP rep 1 , 1 - D ich lo r o e t hen e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM 1 , 2 - D ich lo r o e t han e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM 1 , 4 - D ichl o r oben z en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM 2 - B u t a n on e 0
. 0 1 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM B e n ze n e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM C a r bon t et r a c h lo r i d e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM C h lo r obe nz e n e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM C h l o r o fo r m 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM T etr a chl o r o eth en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM T r i c h l o roe t h en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM V i n y l c h l o r i d e 0
. 00 2 0 m g / L 1 U 5 / 8 / 2010 10 : 28 PM S u rr : 1 , 2 -D i ch l o r oe tha n e -d4 70 - 1 2 5 % R EC 1 1 01 5 / 8 / 2010 10 : 28 PM S ur r: 4 - B r omo f l uo r o ben ze n e 72 - 1 2 5 % R EC 1 9 7 .4 5 / 8 / 2010 10 : 28 PM S u rr: D i b r omo f l u o r om e t ha n e 7 1 - 1 2 5 % R EC 1 9 9 .0 5 / 8 / 2010 10 : 28 PM S ur r: T oluene - d8 75 - 1 2 5 % R EC 1 9 8 .3 5 / 8 / 2010 10 : 28 PM 

### M I SCELLANE O US ANA LYS I S NA A na l ys t: HN M i sce ll a n e o u s A n a l y s is 1 S ee A tt ac h ed 5 / 1 7 / 2 0 10 

### AN I O N S E 300 A na l ys t: I GF F l uo r i d e 0 . 1 0 0 m g /L 1 0 . 3 84 5 /4 / 2010 11 : 51 AM S urr: S e l ena te ( s urr ) 8 5 - 1 1 5 % R EC 1 9 0 .0 5 /4 / 2010 11 : 51 AM 

### CYAN I D E M 4500CN E&G A na l ys t: J BA C yan id e 0
. 0 0 5 0 0 m g / L 1 U 5 / 11 / 2010 03 : 45 PM C y a n i d e , A m enable t o C h l o r in a t io n 0
. 0 0 5 0 0 m g / L 1 U 5 / 11 / 2010 03 : 45 PM 

### PHOSP H O R U S S M 4500P E A na l ys t: DM P ho s phoru s , T ot a l ( As P) J 0 . 05 0 0 m g /L 1 0 . 0 4 00 5 / 7 / 2 0 10 5 / 12 / 2010 01 : 10 PM



## AR Pa g e 4 o f 5 N o t e: S e e Q u a li f i e rs P a ge fo r a li s t of quali f i e rs a nd t h e i r ex pl a n at i o n.

## P r o

j e c t: E xx onM ob il B ay to wn Re f in e ry S a mp l e I D: T r ip Bl ank C oll ec t i o n Da t e: 5 / 3 /2010 M at r ix: WA T ER A n a ly se s R esu lt Q u a l U n it s Dat e A n a ly zed R e p o rt Li m it C li e n t: E RM S outhw es t, Inc. W o rk Order: 10 0 5038

D il u t i o n F a c tor L a b I D: 10 0 5038-03 

# A L S L a b o r a t o r y G r o up Dat e: 04-J un-10

Dat eP rep VOLA T I LE S S W 8 2 60 A na l ys t: PC 1 , 1 - D ich lo r o e t hen e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM 1 , 2 - D ich lo r o e t han e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM 1 , 4 - D ichl o r oben z en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM 2 - B u t a n on e 0
. 0 1 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM B e n ze n e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM C a r bon t et r a c h lo r i d e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM C h lo r obe nz e n e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM C h l o r o fo r m 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM T etr a chl o r o eth en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM T r i c h l o roe t h en e 0
. 00 5 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM V i n y l c h l o r i d e 0
. 00 2 0 m g / L 1 U 5 / 8 / 2010 09 : 40 PM S u rr : 1 , 2 -D i ch l o r oe tha n e -d4 70 - 1 2 5 % R EC 1 9 6 .2 5 / 8 / 2010 09 : 40 PM S ur r: 4 - B r omo f l uo r o ben ze n e 72 - 1 2 5 % R EC 1 9 8 .0 5 / 8 / 2010 09 : 40 PM S u rr: D i b r omo f l u o r om e t ha n e 7 1 - 1 2 5 % R EC 1 9 9 .0 5 / 8 / 2010 09 : 40 PM S ur r: T oluene - d8 75 - 1 2 5 % R EC 1 9 8 .7 5 / 8 / 2010 09 : 40 PM



## AR Pa g e 5 o f 5 N o t e: S e e Q u a li f i e rs P a ge fo r a li s t of quali f i e rs a nd t h e i r ex pl a n at i o n.

# A L S L a b o r a t o r y G r o up D at e : 04- Jun -10 

# Q UA L I F IE R S, A C RO NY M S , UN I TS Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rkO r d e r : 10 0 5038

U n it s R e p o r t e d D escr ip t io n Q u a li f i er D escr ip t ion

A cr o n y m D escr ip t io n

Milligr am s p e r Li t er m g/L V a lu e e x cee d s Re gul ato r y Limit * N ot acc r e dited a Ana ly

t e de t ec t e d in th e a s s o c i at e d M e thod B l ank ab ov e th e Re p o rting Limit B V a lu e ab ov e quantitation r ange E An a ly

ze d out s ide o f Holding T ime H Ana ly

t e de t ec t e d b e low quantitation limit J M anua lly int e gr at e d , see raw data f o r ju s ti f i cation M N ot o ff

e r e d f o r acc r e ditat ion n N ot D e t ec t e d at th e Re p o rting Limit ND Sam

p l e amount i s > 4 times amount s p iked O D ua l Colum

n r es ult s p e r ce nt di ff

e r e n ce > 40% P R

P D ab ov e l ab o r ato ry c ont r ol l i mit R S p ike Rec ov e ry out s ide l ab o r ato ry c o n t r ol limits S An a ly

ze d b ut not de t ec t e d ab ov e th e M DL U M e thod Dup li cate DUP Lab o r at o ry Cont r ol Sam p le L CS Lab o r ato ry Cont r ol Sam p l e D upli cate LC SD M e thod B l ank MB LK M e thod D e t ec tion Limit MDL M e thod Q uantitatio n Limit MQL M atrix S p ike MS M atrix S p ike D upli cate M SD P o st D ig es tion S p i ke P DS P r ac t i ca l Quan tita ion Limit P QL Se ri a l D ilution SD Sam

p l e D e t ec tio n Limit S DL Te x as Ri s k Re duc tion P r ogr am T RRP

Q F P age 1 of 1

### D at e : 04- Jun - 10 

# ALS L abo ra

to r y Group
Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 26 I n s t ru m e n t ID I C P M S 03 M eth od: S W 6 0 20

Q ual RPD L i m it A n a ly s i s D at e: 5/ 6/2010 04 : 58 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 0 4 68 M B LK R un ID: I C P M S 0 3_1 0 050 6A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: M BLKW 3 - 05 0 61 0 - 4 27 26

A r sen ic 0
. 00 50 U C a d m ium 0
. 00 20 U C h r o m i um 0
. 00 50 U C oba lt 0
. 00 50 U C o pp er 0
. 00 50 U Lead 0
. 00 50 U M o l yb d e n um 0
. 00 50 U S e l e n i um 0
. 00 50 U S i l v er 0
. 00 50 U Z i nc 0
. 00 50 U

Q ual RPD L i m it A n a ly s i s D at e: 5/ 6/2010 05 : 03 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 0 4 69 L CS R un ID: I C P M S 0 3_1 0 050 6A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: M L C S W 3 - 05 0 61 0 - 4 27 26

0 0 0
. 05 A r sen i c 1 0 4 8 0 - 1 20 0
. 00 50 0
. 0 5 2 16 0 0 0
. 05 C a d m iu m 1 0 3 8 0 - 1 20 0
. 00 20 0
. 0 5 1 41 0 0 0
. 05 C h r o m i u m 9 5
. 1 8 0 - 1 20 0
. 00 50 0
. 0 4 7 56 0 0 0
. 05 C oba l t 9 3
. 9 8 0 - 1 20 0
. 00 50 0
. 0 4 6 96 0 0 0
. 05 C o pp e r 9 4
. 9 8 0 - 1 20 0
. 00 50 0
. 0 4 7 43 0 0 0
. 05 Lea d 9 4
. 5 8 0 - 1 20 0
. 00 50 0
. 0 4 7 23 0 0 0
. 05 M o l yb d e n u m 9 5
. 6 8 0 - 1 20 0
. 00 50 0
. 0 4 7 79 0 0 0
. 05 S e l e n i u m 1 0 8 8 0 - 1 20 0
. 00 50 0
. 0 5 3 98 0 0 0
. 05 S i l v e r 9 7
. 6 8 0 - 1 20 0
. 00 50 0
. 0 4 8 81 0 0 0
. 05 Z i n c 1 0 9 8 0 - 1 20 0
. 00 50 0
. 0 5 4 47

Q C P ag e : 1 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 26 I n s t ru m e n t ID I C P M S 03 M eth od: S W 6 0 20

Q ual RPD L i m it A n a ly s i s D at e: 5/ 7 /2010 03 : 54 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 1 7 65 MS R un ID: I C P M S 0 3_1 0 050 7A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 2 S a m pl e I D: 1 0 05 1 09 - 0 1 AMS

0 0
. 00 4 1 86 0
. 05 A r sen i c 9 9
. 3 8 0 - 1 20 0
. 0 10 0
. 0 5 3 82 0 - 0
. 0 00 1 8 02 0
. 05 C a d m iu m 8 8
. 4 8 0 - 1 20 0
. 00 40 0
. 0 4 4 04 0 0
. 00 1 7 07 0
. 05 C h r o m i u m 1 0 2 8 0 - 1 20 0
. 0 10 0
. 05 26 0 0
. 0 1 4 79 0
. 05 C oba l t 9 6
. 6 8 0 - 1 20 0
. 0 10 0
. 0 6 3 08 0 0
. 0 1 6 73 0
. 05 C o pp e r 9 0
. 5 8 0 - 1 20 0
. 0 10 0
. 0 6 1 96 0 0
. 00 2 1 12 0
. 05 Lea d 1 0 2 8 0 - 1 20 0
. 0 10 0
. 0 5 3 04 0 0
. 00 1 6 34 0
. 05 M o l yb d e n u m 1 0 1 8 0 - 1 20 0
. 0 10 0
. 05 19 0 - 0
. 0 0 06 71 0
. 05 S e l e n i u m 9 5
. 8 8 0 - 1 20 0
. 0 10 0
. 0 4 7 22 0 0
. 00 0 4 97 0
. 05 S i l v e r 8 5
. 4 8 0 - 1 20 0
. 0 10 0
. 04 32 S 0 0
. 0 3 4 42 0
. 05 Z i n c 7 8
. 5 8 0 - 1 20 0
. 0 10 0
. 0 7 3 66

Q ual RPD L i m it A n a ly s i s D at e: 5/ 7 /2010 04 : 00 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 1 7 66 M SD R un ID: I C P M S 0 3_1 0 050 7A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 2 S a m pl e I D: 1 0 05 1 09 - 0 1 AM SD

0
. 0 5 3 82 0
. 00 4 1 86 0
. 05 A r sen i c 1 0 2 8 0 - 1 20 15 0
. 0 1 0 2
. 86 0
. 0 5 5 38 0
. 0 4 4 04 - 0
. 0 00 1 8 02 0
. 05 C a d m iu m 9 1
. 2 8 0 - 1 20 15 0
. 00 4 0 3
. 13 0
. 0 4 5 44 0
. 0 5 26 0
. 00 1 7 07 0
. 05 C h r o m i u m 1 0 5 8 0 - 1 20 15 0
. 0 1 0 2
. 96 0
. 0 5 4 18 0
. 0 6 3 08 0
. 0 1 4 79 0
. 05 C oba l t 9 9
. 9 8 0 - 1 20 15 0
. 0 1 0 2
. 63 0
. 0 6 4 76 0
. 0 6 1 96 0
. 0 1 6 73 0
. 05 C o pp e r 9 5
. 1 8 0 - 1 20 15 0
. 0 1 0 3
. 64 0
. 0 6 4 26 0
. 0 5 3 04 0
. 00 2 1 12 0
. 05 Lea d 1 0 5 8 0 - 1 20 15 0
. 0 1 0 3 .3 0
. 0 5 4 82 0
. 0 5 19 0
. 00 1 6 34 0
. 05 M o l yb d e n u m 1 0 3 8 0 - 1 20 15 0
. 0 1 0 1
. 95 0
. 0 5 2 92 0
. 0 4 7 22 - 0
. 0 0 06 71 0
. 05 S e l e n i u m 1 0 1 8 0 - 1 20 15 0
. 0 1 0 5
. 24 0
. 0 4 9 76 0
. 0 4 32 0
. 00 0 4 97 0
. 05 S i l v e r 8 8
. 4 8 0 - 1 20 15 0
. 0 1 0 3
. 46 0
. 0 4 4 72 0
. 0 7 3 66 0
. 0 3 4 42 0
. 05 Z i n c 8 8
. 8 8 0 - 1 20 15 0
. 0 1 0 6
. 79 0
. 0 7 8 84

Q ual RPD L i m it A n a ly s i s D at e: 5/ 7 /2010 03 : 34 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 1 7 61 DUP R un ID: I C P M S 0 3_1 0 050 7A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 2 S a m pl e I D: 1 0 0 5 1 0 9 - 0 1 AD UP

J 0
. 00 4 1 86 0 0 A r sen i c 0 0 -0 25 0
. 0 1 0 0 0
. 00 3 8 74

- 0
. 00 0 18 02 0 0 C a d m iu m 0 0 -0 25 0
. 00 4 0 0 U J 0
. 00 1 7 07 0 0 C h r o m i u m 0 0 -0 25 0
. 0 1 0 0 0
. 00 1 4 68 0
. 0 1 4 79 0 0 C oba l t 0 0 -0 25 0
. 0 1 0 3
. 59 0
. 0 1 4 26 0
. 0 1 6 73 0 0 C o pp e r 0 0 -0 25 0
. 0 1 0 3
. 89 0
. 0 1 6 09 J 0
. 00 2 1 12 0 0 Lea d 0 0 -0 25 0
. 0 1 0 0 0
. 00 19 J 0
. 00 1 6 34 0 0 M o l yb d e n u m 0 0 -0 25 0
. 0 1 0 0 0
. 00 1 2 54

- 0
. 0 0 06 71 0 0 S e l e n i u m 0 0 -0 25 0
. 0 1 0 0 U 0
. 00 0 4 97 0 0 S i l v e r 0 0 -0 25 0
. 0 1 0 0 U 0
. 0 3 4 42 0 0 Z i n c 0 0 -0 25 0
. 0 1 0 7 .6 0
. 03 19

Q C P ag e : 2 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 26 I n s t ru m e n t ID I C P M S 03 M eth od: S W 6 0 20 T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 0 5 0 3 8 - 0 1 E 1 0 0 5 0 3 8 - 0 2E

Q C P ag e : 3 of 15 N o t e: S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 97 I n s t ru m e n t ID H G 02 M eth od: S W 7 4 70

Q ual RPD L i m it A n a ly s i s D at e: 5/ 10 /2010 03 : 18 PM Pre p D at e: 5/ 1 0 /2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 5 39 M B LK R un ID: H G 0 2 _1 0 0 5 1 0A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: G BLKW 3 - 0 510 1 0 - 4 27 97

M e rc u ry 0
. 0 0 0 20 U

Q ual RPD L i m it A n a ly s i s D at e: 5/ 10 /2010 03 : 20 PM Pre p D at e: 5/ 1 0 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 5 40 L CS R un ID: H G 0 2 _1 0 0 5 1 0A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: G L C S W 3 - 0 5 1 0 10 - 4 2 7 97

0 0 0
. 0 05 M e rc u r y 1 0 5 8 5 - 1 15 0
. 0 0 0 20 0
. 0 0 5 26

Q ual RPD L i m it A n a ly s i s D at e: 5/ 10 /2010 03 : 26 PM Pre p D at e: 5/ 1 0 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 5 52 MS R un ID: H G 0 2 _1 0 0 5 1 0A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 1 33 - 0 1 AMS

0 - 0
. 0 0 00 13 0
. 0 05 M e rc u r y 1 0 7 8 5 - 1 15 0
. 0 0 0 20 0
. 0 0 5 34

Q ual RPD L i m it A n a ly s i s D at e: 5/ 10 /2010 03 : 28 PM Pre p D at e: 5/ 1 0 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 5 56 M SD R un ID: H G 0 2 _1 0 0 5 1 0A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 1 33 - 0 1 AM SD

0
. 0 0 5 34 - 0
. 0 0 00 13 0
. 0 05 M e rc u r y 1 0 6 8 5 - 1 15 20 0
. 0 0 0 2 0 0
. 9 41 0
. 0 0 5 29

Q ual RPD L i m it A n a ly s i s D at e: 5/ 10 /2010 03 : 24 PM Pre p D at e: 5/ 1 0 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 5 47 DUP R un ID: H G 0 2 _1 0 0 5 1 0A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 0 5 1 3 3 - 0 1 AD UP

- 0
. 0 0 00 13 0 0 M e rc u r y 0 0 -0 20 0
. 0 0 0 2 0 0 U T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 0 5 0 3 8 - 0 1 E 1 0 0 5 0 3 8 - 0 2E

Q C P ag e : 4 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 8 78 I n s t ru m e n t ID I C P M S 03 M eth od: S W 6 0 20

Q ual RPD L i m it A n a ly s i s D at e: 5/ 19 /2010 12 : 03 PM Pre p D at e: 5/ 1 2 /2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 6 3 6 41 M B LK R un ID: I C P M S 0 3_1 0 051 9A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: M BLKW 3 - 05 1 21 0 - 4 28 78

L i t h i um 0
. 00 50 U

Q ual RPD L i m it A n a ly s i s D at e: 5/ 19 /2010 01 : 35 PM Pre p D at e: 5/ 1 2 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 6 3 8 27 L CS R un ID: I C P M S 0 3_1 0 051 9A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: M L C S W 3 - 05 1 21 0 - 4 28 78

0 0 0 .1 L i t h i u m 1 0 3 8 0 - 1 20 0
. 00 50 0
. 10 26

Q ual RPD L i m it A n a ly s i s D at e: 5/ 19 /2010 01 : 38 PM Pre p D at e: 5/ 1 2 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: U nd e rflo w D e li s tin g - 04 S e q N o: 1 9 6 3 8 28 MS R un ID: I C P M S 0 3_1 0 051 9A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 38 - 0 1 H MS

0 0
. 00 2 7 45 0 .1 L i t h i u m 9 2
. 6 8 0 - 1 20 0
. 00 50 0
. 0 9 5 38

Q ual RPD L i m it A n a ly s i s D at e: 5/ 19 /2010 01 : 41 PM Pre p D at e: 5/ 1 2 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: U nd e rflo w D e li s tin g - 04 S e q N o: 1 9 6 3 8 29 M SD R un ID: I C P M S 0 3_1 0 051 9A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 38 - 0 1 H M SD

0
. 0 9 5 38 0
. 00 2 7 45 0 .1 L i t h i u m 9 3
. 3 8 0 - 1 20 15 0
. 00 5 0 0
. 6 48 0
. 0 96

Q ual RPD L i m it A n a ly s i s D at e: 5/ 19 /2010 12 : 12 PM Pre p D at e: 5/ 1 2 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: U nd e rflo w D e li s tin g - 04 S e q N o: 1 9 6 3 6 43 DUP R un ID: I C P M S 0 3_1 0 051 9A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 0 5 0 3 8 - 0 1 H D UP

0
. 00 2 7 45 0 0 L i t h i u m 0 0 -0 25 0
. 00 5 0 0 U T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 05 0 3 8 - 0 1 H 1 0 05 0 3 8 - 0 2H

Q C P ag e : 5 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 03 I n s t ru m e n t ID SV -2 M eth od: S W 8 2 70

Q ual RPD L i m it A n a ly s i s D at e: 5/ 6/2010 07 : 26 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 2 1 11 M B LK R un ID: S V - 2 _1 0 0 5 0 6B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: SBLKW 1 - 1 0 0 5 0 6 - 4 2 7 03

2 , 4 , 5 - T r i c h lo rop h e n ol 0
. 20 U 2 , 4 , 6 - T r i c h lo rop h e n ol 0
. 20 U 2 , 4 - D i n i tro t o l uene 0
. 20 U 2 - M et hy l p h e n ol 0
. 20 U 3 & 4 - M et h yl p h e n ol 0
. 20 U B e nz ( a ) a n t h r a c ene 0
. 20 U B e nz o ( a ) p y r ene 0
. 20 U B e n zo ( b ) f l u o ran t h e ne 0
. 20 U B e nz o ( k ) f l u o ra n t h ene 0
. 20 U C h r ys e ne 0
. 20 U H e x a c h lo r o be nz e ne 0
. 20 U H exa c h l o r o but a di ene 0
. 20 U H e x a c hl o r o e th a ne 0
. 20 U N i t ro b en ze ne 0
. 20 U P e nt a chl o r op h e n ol 0
. 20 U 0 0 5 S u rr: 2, 4 , 6-T

r i b r omo p hen o l 70
. 4 3 4 - 1 29 0
. 20 3
. 5 18 0 0 5 S ur r: 2 -F l u o r ob i phe ny l 70
. 8 4 0 - 1 25 0
. 20 3
. 54 0 0 5 S ur r: 2 -F l u o r o p hen o l 6 8
. 6 2 0 - 1 20 0
. 20 3
. 4 29 0 0 5 S ur r: 4 - T e r ph e ny l - d 1 4 75
. 3 4 0 - 1 35 0
. 20 3
. 7 63 0 0 5 S ur r: N i tr o benzene - d5 70
. 6 4 1 - 1 20 0
. 20 3
. 5 29 0 0 5 S ur r: Phenol

- d 6 70
. 8 2 0 - 1 20 0
. 20 3
. 5 38

Q C P ag e : 6 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 03 I n s t ru m e n t ID SV -2 M eth od: S W 8 2 70

Q ual RPD L i m it A n a ly s i s D at e: 5/ 6/2010 07 : 48 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 2 1 12 L CS R un ID: S V - 2 _1 0 0 5 0 6B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: S L CS W 1 - 1 005 0 6 - 4 27 03

0 0 5 2 , 4 , 5 - T r i c h lo rop h e n o l 7 8
. 9 4 6 - 1 20 0
. 20 3
. 9 46 0 0 5 2 , 4 , 6 - T r i c h lo rop h e n o l 7 6
. 1 4 2 - 1 20 0
. 20 3
. 8 04 0 0 5 2 , 4 - D i n i tro t o l uen e 7 9
. 8 5 0 - 1 22 0
. 20 3
. 9 88 0 0 5 2 - M et hy l p h e n o l 7 5
. 2 4 5 - 1 20 0
. 20 3
. 76 0 0 5 3 & 4 - M et h yl p h e n o l 7 5
. 4 3 5 - 1 20 0
. 20 3
. 7 69 0 0 5 B e nz ( a ) a n t h r a c en e 8 5
. 7 4 0 - 1 20 0
. 20 4
. 2 87 0 0 5 B e nz o ( a ) p y r en e 8 1
. 7 4 5 - 1 20 0
. 20 4
. 0 83 0 0 5 B e n zo ( b ) f l u o ran t h e n e 8 5
. 9 5 0 - 1 20 0
. 20 4
. 2 94 0 0 5 B e nz o ( k ) f l u o ra n t h en e 7 9
. 6 4 5 - 1 27 0
. 20 3
. 9 82 0 0 5 C h r ys e n e 8 4
. 6 4 3 - 1 20 0
. 20 4
. 23 0 0 5 H e x a c h lo r o be nz e n e 7 7
. 3 4 8 - 1 20 0
. 20 3
. 8 67 0 0 5 H exa c h l o r o but a di en e 7 3
. 7 4 0 - 1 20 0
. 20 3
. 6 85 0 0 5 H e x a c hl o r o e th a n e 7 5
. 5 4 0 - 1 20 0
. 20 3
. 7 74 0 0 5 N i t ro b en ze n e 7 8
. 2 4 4 - 1 20 0
. 20 3
. 91 0 0 5 P e nt a chl o r op h e n o l 8 7
. 4 1 9 - 1 21 0
. 20 4
. 37 0 0 5 S u rr: 2, 4 , 6-T

r i b r omo p hen o l 8 0
. 7 3 4 - 1 29 0
. 20 4
. 0 33 0 0 5 S ur r: 2 -F l u o r ob i phe ny l 7 4
. 3 4 0 - 1 25 0
. 20 3
. 7 13 0 0 5 S ur r: 2 -F l u o r o p hen o l 8 4
. 9 2 0 - 1 20 0
. 20 4
. 2 47 0 0 5 S ur r: 4 - T e r ph e ny l - d 1 4 8 1
. 5 4 0 - 1 35 0
. 20 4
. 0 75 0 0 5 S ur r: N i tr o benzene - d5 75
. 9 4 1 - 1 20 0
. 20 3
. 793 0 0 5 S ur r: Phenol

- d 6 78
. 3 2 0 - 1 20 0
. 20 3
. 9 13

Q C P ag e : 7 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 03 I n s t ru m e n t ID SV -2 M eth od: S W 8 2 70

Q ual RPD L i m it A n a ly s i s D at e: 5/ 6/2010 08 : 31 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 2 1 14 MS R un ID: S V - 2 _1 0 0 5 0 6B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 93 - 0 4 C MS

0 0 5 2 , 4 , 5 - T r i c h lo rop h e n o l 8 4
. 4 4 6 - 1 20 0
. 20 4
. 2 21 0 0 5 2 , 4 , 6 - T r i c h lo rop h e n o l 8 3
. 7 4 2 - 1 20 0
. 20 4
. 1 87 0 0 5 2 , 4 - D i n i tro t o l uen e 8 1
. 5 5 0 - 1 22 0
. 20 4
. 0 75 0 0 5 2 - M et hy l p h e n o l 7 4
. 2 4 5 - 1 20 0
. 20 3
. 7 11 0 0 5 3 & 4 - M et h yl p h e n o l 7 1
. 9 3 5 - 1 20 0
. 20 3
. 5 94 0 0 5 B e nz ( a ) a n t h r a c en e 7 7
. 5 4 0 - 1 20 0
. 20 3
. 8 77 0 0 5 B e nz o ( a ) p y r en e 7 2
. 3 4 5 - 1 20 0
. 20 3
. 6 15 0 0 5 B e n zo ( b ) f l u o ran t h e n e 8 0
. 9 5 0 - 1 20 0
. 20 4
. 0 43 0 0 5 B e nz o ( k ) f l u o ra n t h en e 7 6
. 2 4 5 - 1 27 0
. 20 3
. 8 12 0 0 5 C h r ys e n e 7 9
. 4 4 3 - 1 20 0
. 20 3
. 9 68 0 0 5 H e x a c h lo r o be nz e n e 8 0
. 9 4 8 - 1 20 0
. 20 4
. 0 44 0 0 5 H exa c h l o r o but a di en e 6 9
. 6 4 0 - 1 20 0
. 20 3
. 4 82 0 0 5 H e x a c hl o r o e th a n e 6 9
. 8 4 0 - 1 20 0
. 20 3
. 4 92 0 0 5 N i t ro b en ze n e 7 3
. 9 4 4 - 1 20 0
. 20 3
. 6 93 0 0 5 P e nt a chl o r op h e n o l 1 0 9 1 9 - 1 21 0
. 20 5
. 4 51 0 0 5 S u rr: 2, 4 , 6-T

r i b r omo p hen o l 8 7
. 6 3 4 - 1 29 0
. 20 4
. 3 79 0 0 5 S ur r: 2 -F l u o r ob i phe ny l 7 4
. 8 4 0 - 1 25 0
. 20 3
. 74 0 0 5 S ur r: 2 -F l u o r o p hen o l 79
. 7 2 0 - 1 20 0
. 20 3
. 9 84 0 0 5 S ur r: 4 - T e r ph e ny l - d 1 4 73
. 8 4 0 - 1 35 0
. 20 3
. 69 0 0 5 S ur r: N i tr o benzene - d5 72
. 4 4 1 - 1 20 0
. 20 3
. 6 22 0 0 5 S ur r: Phenol

- d 6 7 7 2 0 - 1 20 0
. 20 3
. 85

Q C P ag e : 8 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: 4 2 7 03 I n s t ru m e n t ID SV -2 M eth od: S W 8 2 70

Q ual RPD L i m it A n a ly s i s D at e: 5/ 6/2010 08 : 52 PM Pre p D at e: 5/ 6/2 0 10 A n al yt e Re su lt % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 2 1 15 M SD R un ID: S V - 2 _1 0 0 5 0 6B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 93 - 0 4 C M SD

4
. 2 21 0 5 2 , 4 , 5 - T r i c h lo rop h e n o l 7 8
. 4 4 6 - 1 20 20 0
. 2 0 7
. 45 3
. 9 18 4
. 1 87 0 5 2 , 4 , 6 - T r i c h lo rop h e n o l 7 6
. 5 4 2 - 1 20 20 0
. 2 0 9
. 01 3
. 8 26 4
. 0 75 0 5 2 , 4 - D i n i tro t o l uen e 7 3
. 1 5 0 - 1 22 20 0
. 2 0 10 .9 3
. 6 53 3
. 7 11 0 5 2 - M et hy l p h e n o l 6 9 4 5 - 1 20 20 0
. 2 0 7
. 29 3
. 45 3
. 5 94 0 5 3 & 4 - M et h yl p h e n o l 6 8
. 7 3 5 - 1 20 20 0
. 2 0 4 .5 3
. 4 36 3
. 8 77 0 5 B e nz ( a ) a n t h r a c en e 7 4 4 0 - 1 20 20 0
. 2 0 4
. 66 3 .7 3
. 6 15 0 5 B e nz o ( a ) p y r en e 6 8
. 6 4 5 - 1 20 20 0
. 2 0 5
. 23 3
. 43 4
. 0 43 0 5 B e n zo ( b ) f l u o ran t h e n e 7 7
. 7 5 0 - 1 20 20 0
. 2 0 3
. 98 3
. 8 85 3
. 8 12 0 5 B e nz o ( k ) f l u o ra n t h en e 7 3
. 4 4 5 - 1 27 20 0
. 2 0 3 .8 3
. 67 3
. 9 68 0 5 C h r ys e n e 7 2
. 5 4 3 - 1 20 20 0
. 2 0 9 3
. 6 26 4
. 0 44 0 5 H e x a c h lo r o be nz e n e 7 4 4 8 - 1 20 20 0
. 2 0 8
. 89 3 .7 3
. 4 82 0 5 H exa c h l o r o but a di en e 6 4
. 3 4 0 - 1 20 20 0
. 2 0 7
. 95 3
. 2 16 3
. 4 92 0 5 H e x a c hl o r o e th a n e 6 6
. 1 4 0 - 1 20 20 0
. 2 0 5 .5 3
. 3 05 3
. 6 93 0 5 N i t ro b en ze n e 6 9
. 3 4 4 - 1 20 20 0
. 2 0 6
. 44 3
. 4 63 5
. 4 51 0 5 P e nt a chl o r op h e n o l 9 6
. 5 1 9 - 1 21 20 0
. 2 0 12 .2 4
. 8 25 4
. 3 79 0 5 S u rr: 2, 4 , 6-T

r i b r omo p hen o l 8 6
. 5 3 4 - 1 29 20 0
. 20 1 .3 4
. 3 23 3
. 74 0 5 S ur r: 2 -F l u o r ob i phe ny l 75
. 1 4 0 - 1 25 20 0
. 20 0
. 4 07 3
. 755 3
. 9 84 0 5 S ur r: 2 -F l u o r o p hen o l 8 3
. 5 2 0 - 1 20 20 0
. 20 4
. 64 4
. 1 73 3
. 69 0 5 S ur r: 4 - T e r ph e ny l - d 1 4 7 6
. 2 4 0 - 1 35 20 0
. 20 3
. 14 3
. 8 08 3
. 6 22 0 5 S ur r: N i tr o benzene - d5 75
. 6 4 1 - 1 20 20 0
. 20 4 .3 3
. 781 3
. 85 0 5 S ur r: Phenol

- d 6 78
. 7 2 0 - 1 20 20 0
. 20 2
. 12 3
. 9 33 T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 0 5 0 3 8 - 0 1 F 1 0 0 5 0 3 8 - 0 2F

Q C P ag e : 9 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: R 9 06 77 I n s t ru m e n t ID V OA2 M eth od: S W 8 2 60

Q ual RPD L i m it A n a ly s i s D at e: 5/ 8 /2010 06 : 05 PM Pre p D at e: A n al yt e Re su lt % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 3 06 M B LK R un ID: V O A 2

_ 10 0 50 8A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: VBLKW - 05 0 8 1 0 - R 9 0 6 77

1 , 1 - D i c h lo ro et hene 5 .0 U 1 , 2 - D i c h lo ro et hane 5 .0 U 1 , 4 - D ich l o roben z e ne 5 .0 U 2 - B u t an o ne 10 U B e n ze ne 5 .0 U C a r bon t e tr a c hlo ri de 5 .0 U C h lo r obe nz e ne 5 .0 U C h l o ro f o rm 5 .0 U T e t r a c hl o roe th e ne 5 .0 U T r i c h l o roe t h ene 5 .0 U V i n y l c h l o r i de 2 .0 U 0 0 50 S ur r: 1 , 2 -D ic h l

o r oe t h ane - d 4 1 0 1 70 - 1 25 5 .0 5 0
. 37 0 0 50 S ur r: 4 -B r omo f l u o r oben z en e 9 8
. 5 72 - 1 25 5 .0 4 9
. 26 0 0 50 S u rr : Di b r o m o f luo r ome tha n e 9 9 7 1 - 1 25 5 .0 4 9
. 49 0 0 50 S urr : T o l uen e - d8 9 8 75 - 1 25 5 .0 4 8
. 98

Q ual RPD L i m it A n a ly s i s D at e: 5/ 8 /2010 04 : 53 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 3 04 L CS R un ID: V O A 2

_ 10 0 50 8A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: V L CS W - 0 5 081 0 -R 9 06 77

0 0 50 1 , 1 - D i c h lo ro et hen e 1 0 3 7 3 - 1 24 5 .0 5 1
. 55 0 0 50 1 , 2 - D i c h lo ro et han e 1 0 2 7 8 - 1 20 5 .0 5 0
. 88 0 0 50 1 , 4 - D ich l o roben z e n e 9 9
. 8 8 0 - 1 20 5 .0 4 9
. 92 0 0 1 00 2 - B u t an o n e 1 0 4 5 8 - 1 32 10 1 0 4 .1 0 0 50 B e n ze n e 1 0 2 7 3 - 1 21 5 .0 50 .9 0 0 50 C a r bon t e tr a c hlo ri d e 9 5
. 8 7 5 - 1 24 5 .0 4 7
. 91 0 0 50 C h lo r obe nz e n e 1 0 2 8 0 - 1 20 5 .0 5 0
. 87 0 0 50 C h l o ro f o r m 1 0 3 8 0 - 1 20 5 .0 5 1
. 48 0 0 50 T e t r a c hl o roe th e n e 1 0 1 7 9 - 1 20 5 .0 5 0
. 66 0 0 50 T r i c h l o roe t h en e 1 0 3 8 0 - 1 20 5 .0 5 1
. 63 0 0 50 V i n y l c h l o r i d e 1 0 6 7 0 - 1 27 2 .0 52 .9 0 0 50 S ur r: 1 , 2 -D ic h l

o r oe t h ane - d 4 1 0 1 70 - 1 25 5 .0 5 0
. 57 0 0 50 S ur r: 4 -B r omo f l u o r oben z en e 1 0 0 72 - 1 25 5 .0 5 0
. 02 0 0 50 S u rr : Di b r o m o f luo r ome tha n e 1 0 2 7 1 - 1 25 5 .0 5 1
. 09 0 0 50 S urr : T o l uen e - d8 1 0 0 75 - 1 25 5 .0 5 0
. 04

Q C P a g e : 10 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: R 9 06 77 I n s t ru m e n t ID V OA2 M eth od: S W 8 2 60

Q ual RPD L i m it A n a ly s i s D at e: 5/ 8 /2010 06 : 53 PM Pre p D at e: A n al yt e Re su lt % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 3 11 MS R un ID: V O A 2

_ 10 0 50 8A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 66 - 0 1 AMS

0 0 50 1 , 1 - D i c h lo ro et hen e 9 2
. 2 7 3 - 1 24 5 .0 4 6
. 11 0 0 50 1 , 2 - D i c h lo ro et han e 1 0 1 7 8 - 1 20 5 .0 5 0
. 38 0 0 50 1 , 4 - D ich l o roben z e n e 9 7
. 4 8 0 - 1 20 5 .0 4 8
. 71 0 0 1 00 2 - B u t an o n e 9 8
. 9 5 8 - 1 32 10 9 8
. 89 0 0 50 B e n ze n e 9 9
. 2 7 3 - 1 21 5 .0 4 9
. 61 0 3
. 4 87 50 C a r bon t e tr a c hlo ri d e 7 9
. 1 7 5 - 1 24 5 .0 4 3
. 04 0 0 50 C h lo r obe nz e n e 9 9
. 6 8 0 - 1 20 5 .0 49 .8 0 0 50 C h l o ro f o r m 1 0 1 8 0 - 1 20 5 .0 5 0
. 66 0 0 50 T e t r a c hl o roe th e n e 9 2
. 4 7 9 - 1 20 5 .0 46 .2 0 0 50 T r i c h l o roe t h en e 9 8
. 2 8 0 - 1 20 5 .0 4 9
. 08 0 0 50 V i n y l c h l o r i d e 9 4 7 0 - 1 27 2 .0 4 7
. 01 0 0 50 S ur r: 1 , 2 -D ic h l

o r oe t h ane - d 4 1 0 1 70 - 1 25 5 .0 5 0
. 47 0 0 50 S ur r: 4 -B r omo f l u o r oben z en e 1 0 1 72 - 1 25 5 .0 5 0
. 62 0 0 50 S u rr : Di b r o m o f luo r ome tha n e 1 0 1 7 1 - 1 25 5 .0 5 0
. 45 0 0 50 S urr : T o l uen e - d8 9 9
. 7 75 - 1 25 5 .0 4 9
. 84

Q ual RPD L i m it A n a ly s i s D at e: 5/ 8 /2010 07 : 17 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: μ g /L

P QL C li e n t ID : S e q N o: 1 9 5 3 3 13 M SD R un ID: V O A 2

_ 10 0 50 8A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 66 - 0 1 AM SD

4 6
. 11 0 50 1 , 1 - D i c h lo ro et hen e 8 8
. 9 7 3 - 1 24 20 5
. 0 3
. 66 4 4
. 45 5 0
. 38 0 50 1 , 2 - D i c h lo ro et han e 9 7
. 2 7 8 - 1 20 20 5
. 0 3 .6 48 .6 4 8
. 71 0 50 1 , 4 - D ich l o roben z e n e 9 5
. 3 8 0 - 1 20 20 5
. 0 2
. 21 4 7
. 64 9 8
. 89 0 1 00 2 - B u t an o n e 9 4
. 2 5 8 - 1 32 20 1 0 4
. 84 9 4
. 22 4 9
. 61 0 50 B e n ze n e 9 6
. 1 7 3 - 1 21 20 5
. 0 3
. 18 4 8
. 05 4 3
. 04 3
. 4 87 50 C a r bon t e tr a c hlo ri d e 7 5
. 4 7 5 - 1 24 20 5
. 0 4
. 43 4 1
. 18 4 9 .8 0 50 C h lo r obe nz e n e 9 7
. 2 8 0 - 1 20 20 5
. 0 2
. 48 4 8
. 58 5 0
. 66 0 50 C h l o ro f o r m 9 9 8 0 - 1 20 20 5
. 0 2
. 35 4 9
. 48 4 6 .2 0 50 T e t r a c hl o roe th e n e 8 5
. 8 7 9 - 1 20 20 5
. 0 7
. 42 4 2
. 89 4 9
. 08 0 50 T r i c h l o roe t h en e 9 3
. 3 8 0 - 1 20 20 5
. 0 5
. 06 4 6
. 66 4 7
. 01 0 50 V i n y l c h l o r i d e 8 9
. 8 7 0 - 1 27 20 2
. 0 4
. 63 4 4
. 88 5 0
. 47 0 50 S ur r: 1 , 2 -D ic h l

o r oe t h ane - d 4 9 8
. 3 70 - 1 25 20 5 .0 2
. 68 4 9
. 14 5 0
. 62 0 50 S ur r: 4 -B r omo f l u o r oben z en e 1 0 0 72 - 1 25 20 5 .0 1
. 19 5 0
. 02 5 0
. 45 0 50 S u rr : Di b r o m o f luo r ome tha n e 1 0 2 7 1 - 1 25 20 5 .0 1 .3 5 1
. 11 4 9
. 84 0 50 S urr : T o l uen e - d8 9 9
. 2 75 - 1 25 20 5 .0 0
. 4 79 49 .6 T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 0 5 0 3 8 - 0 1 A 1 0 0 5 0 3 8 - 0 2 A 1 0 05 0 3 8 - 0 3A

Q C P a g e : 11 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: R 9 04 30 I n s t ru m e n t ID I C S 21 00 M eth od: E 3 00

Q ual RPD L i m it A n a ly s i s D at e: 5/4/2010 10 : 35 AM Pre p D at e: A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 4 7 7 31 M B LK R un ID: I C S 2 1 00

_ 10 0 50 4A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W B L K

W 3 - 0 5 0 41 0 - R9 0 4 30

F l u o r i de 0
. 10 U 0 0 5 S urr: S e l ena te ( s urr ) 9 7
. 7 8 5 - 1 15 0
. 10 4
. 8 83

Q ual RPD L i m it A n a ly s i s D at e: 5/4/2010 10 : 50 AM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 4 7 7 32 L CS R un ID: I C S 2 1 00

_ 10 0 50 4A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W L C S W 3 - 0 5 04 1 0 - R 9 0 4 30

0 0 4 F l u o r i d e 1 0 0 9 0 - 1 10 0
. 10 4
. 0 14 0 0 5 S urr: S e l ena te ( s urr ) 9 5
. 6 8 5 - 1 15 0
. 10 4
. 7 78

Q ual RPD L i m it A n a ly s i s D at e: 5/4/2010 11 : 04 AM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 4 7 7 33 L C SD R un ID: I C S 2 1 00

_ 10 0 50 4A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W L C SDW 3 -0 5 0 4 1 0 - R9 0 4 30

4
. 0 14 0 4 F l u o r i d e 9 9
. 8 9 0 - 1 10 20 0
. 1 0 0 .6 3
. 99 4
. 7 78 0 5 S urr: S e l ena te ( s urr ) 9 5
. 2 8 5 - 1 15 20 0
. 10 0
. 3 98 4
. 759

Q ual RPD L i m it A n a ly s i s D at e: 5/4/2010 12 : 06 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: D u p l i c a t e -02 S e q N o: 1 9 4 7 7 36 MS R un ID: I C S 2 1 00

_ 10 0 50 4A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 38 - 0 2 B MS

0 0
. 3 84 2 F l u o r i d e 1 0 3 8 0 - 1 20 0
. 10 2
. 4 44 0 0 5 S urr: S e l ena te ( s urr ) 9 6
. 3 8 5 - 1 15 0
. 10 4
. 8 17

Q ual RPD L i m it A n a ly s i s D at e: 5/4/2010 04 : 26 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 4 7 7 47 MS R un ID: I C S 2 1 00

_ 10 0 50 4A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 23 - 0 1 B MS

0 3
. 8 39 2 F l u o r i d e 1 0 6 8 0 - 1 20 0
. 10 5
. 9 51 0 0 5 S urr: S e l ena te ( s urr ) 1 0 5 8 5 - 1 15 0
. 10 5
. 2 41

Q ual RPD L i m it A n a ly s i s D at e: 5/4/2010 12 : 20 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: D u p l i c a t e -02 S e q N o: 1 9 4 7 7 37 M SD R un ID: I C S 2 1 00

_ 10 0 50 4A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 38 - 0 2 B M SD

2
. 4 44 0
. 3 84 2 F l u o r i d e 9 8
. 6 8 0 - 1 20 20 0
. 1 0 3
. 62 2
. 3 57 4
. 8 17 0 5 S urr: S e l ena te ( s urr ) 9 3
. 1 8 5 - 1 15 20 0
. 10 3
. 46 4
. 6 53

Q C P a g e : 12 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: R 9 04 30 I n s t ru m e n t ID I C S 21 00 M eth od: E 3 00

Q ual RPD L i m it A n a ly s i s D at e: 5/4/2010 04 : 41 PM Pre p D at e: A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 4 7 7 49 M SD R un ID: I C S 2 1 00

_ 10 0 50 4A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 23 - 0 1 B M SD

5
. 9 51 3
. 8 39 2 F l u o r i d e 9 8
. 9 8 0 - 1 20 20 0
. 1 0 2
. 28 5
. 8 17 5
. 2 41 0 5 S urr: S e l ena te ( s urr ) 1 0 3 8 5 - 1 15 20 0
. 10 1
. 83 5
. 1 46 T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 0 5 0 3 8 - 0 1 B 1 0 0 5 0 3 8 - 0 2B

Q C P a g e : 13 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: R 9 07 74 I n s t ru m e n t ID U V - 2 4 50 M eth od: M 4500 CN E&G

Q ual RPD L i m it A n a ly s i s D at e: 5/ 11 /2010 03 : 45 PM Pre p D at e: A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 4 8 96 M B LK R un ID: U V - 2 4 5 0

_ 1 0 0 5 1 1B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W B L K

W 1 05 1 1 1 0 - R9 0 7 74

C yan ide 0
. 00 50 U C y a n ide , A menabl e t o C hlo r i n at ion 0
. 00 50 U

Q ual RPD L i m it A n a ly s i s D at e: 5/ 11 /2010 03 : 45 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 4 8 97 L CS R un ID: U V - 2 4 5 0

_ 1 0 0 5 1 1B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W L C S W 1 - 0 5 11 1 0 - R 9 0 7 74

0 0 0 .2 C yan id e 1 1 0 8 0 - 1 20 0
. 00 50 0
. 2 19

Q ual RPD L i m it A n a ly s i s D at e: 5/ 11 /2010 03 : 45 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 4 8 98 L C SD R un ID: U V - 2 4 5 0

_ 1 0 0 5 1 1B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W L C SDW 1 -0 5 1 1 1 0 - R9 0 7 74

0
. 2 19 0 0 .2 C yan id e 1 1 1 8 0 - 1 20 20 0
. 00 5 0 1
. 36 0
. 2 22

Q ual RPD L i m it A n a ly s i s D at e: 5/ 11 /2010 03 : 45 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: U nd e rflo w D e li s tin g - 04 S e q N o: 1 9 5 4 9 05 MS R un ID: U V - 2 4 5 0

_ 1 0 0 5 1 1B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 38 - 0 1 C MS

0 0
. 0 01 0 .2 C yan id e 9 3 8 0 - 1 20 0
. 00 50 0
. 1 87

Q ual RPD L i m it A n a ly s i s D at e: 5/ 11 /2010 03 : 45 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: U nd e rflo w D e li s tin g - 04 S e q N o: 1 9 5 4 9 07 M SD R un ID: U V - 2 4 5 0

_ 1 0 0 5 1 1B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 38 - 0 1 C M SD

0
. 1 87 0
. 0 01 0 .2 C yan id e 9 9
. 5 8 0 - 1 20 20 0
. 00 5 0 6
. 72 0 .2

Q ual RPD L i m it A n a ly s i s D at e: 5/ 11 /2010 03 : 45 PM Pre p D at e: A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: U nd e rflo w D e li s tin g - 04 S e q N o: 1 9 5 4 9 03 DUP R un ID: U V - 2 4 5 0

_ 1 0 0 5 1 1B SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 0 5 0 3 8 - 0 1 C D UP

0
. 0 01 0 0 C yan id e 0 0 -0 20 0
. 00 5 0 0 U 0 0 0 C y a n ide , A menabl e t o C hlo r i n at io n 0 0 -0 0 0
. 00 5 0 0 U T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 05 0 3 8 - 0 1 C 1 0 05 0 3 8 - 0 2C

Q C P a g e : 14 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

### Pr oj ec t: E xx onM ob il B ay to wn Re f in e ry C li e n t: E RM S out hwes t, I n c. W o rk Order: 10 0 5038 

# Q C BA T CH RE P ORT

B at c h ID: R 9 08 15 I n s t ru m e n t ID U V - 2 4 50 M eth od: S M 4500 PE

Q ual RPD L i m it A n a ly s i s D at e: 5/ 12 /2010 01 : 10 PM Pre p D at e: A n al yt e Re su lt % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 5 7 13 M B LK R un ID: U V - 2 4 50

_ 10 0 51 2A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W B L K

W 1 - 0 5 1 22 0 1 0 - R9 0 8 15

P ho s ph o ru s , T ot a l (A s P) 0
. 0 50 U

Q ual RPD L i m it A n a ly s i s D at e: 5/ 12 /2010 01 : 10 PM Pre p D at e: A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID : S e q N o: 1 9 5 5 7 14 L CS R un ID: U V - 2 4 50

_ 10 0 51 2A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: W L C S W 1 - 0 5 1 22 0 1 0 - R 9 0 8 15

0 0 0
. 25 P ho s ph o ru s , T ot a l (A s P ) 1 0 2 8 0 - 1 20 0
. 0 50 0
. 2 55

Q ual RPD L i m it A n a ly s i s D at e: 5/ 12 /2010 01 : 10 PM Pre p D at e: 5/ 7 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: D u p l i c a t e -02 S e q N o: 1 9 5 5 7 18 MS R un ID: U V - 2 4 50

_ 10 0 51 2A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 05 0 38 - 0 2 D MS

0 0
. 04 0
. 25 P ho s ph o ru s , T ot a l (A s P ) 1 0 0 8 0 - 1 20 0
. 0 50 0
. 29

Q ual RPD L i m it A n a ly s i s D at e: 5/ 12 /2010 01 : 10 PM Pre p D at e: 5/ 7 /2 0 10 A n al yt e Re su l t % R E C % RPD U n i t s: m g /L

P QL C li e n t ID: D u p l i c a t e -02 S e q N o: 1 9 5 5 7 17 DUP R un ID: U V - 2 4 50

_ 10 0 51 2A SPK V al SPK R ef

V al ue RPD Ref V al ue C o nt r o l L i m it D F: 1 S a m pl e I D: 1 0 0 5 0 3 8 - 0 2 D D UP

J 0
. 04 0 0 P ho s ph o ru s , T ot a l (A s P ) 0 0 -0 20 0
. 0 5 0 0 0
. 0 41 T h e follo w ing sam pl es w e re a n a l yz e d in thi s b a t c h: 1 0 05 0 3 8 - 0 1 D 1 0 05 0 3 8 - 0 2D

Q C P a g e : 15 of 15 N o t e : S ee Qua li f i ers P a ge f

o r a li st o f Q ua li f

i er s and t he ir exp l anati on.

# ALS LaboratoryGrou p Sample Receipt Checklist Client Name: ERMSW-HOU Work Order: 1005038 Date/Time Received: 03-May-10 13:15 Received by: RNG Checklist completed by eSignature Date Reviewed by: Date eSignature Matrices: water Carrier name: Client Shipping container/cooler in good condition? Yes No Not Present Custody seals intact on shipping container/cooler? Yes No Not Present Custody seals intact on sample bottles? Yes No Not Present Chain of custody present? Yes No Chain of custody signed when relinquished and received? Yes No Chain of custody agrees with sample labels? Yes No Samples in proper container/bottle? Yes No Sample containers intact? Yes No Sufficient sample volume for indicated test? Yes No All samples received within holding time? Yes No Container/Temp Blank temperature in compliance? Yes No

Yes No No VOA vials submitted Water - VOA vials have zero headspace? Water - pH acceptable upon receipt? Yes No N/A Temperature(s)/Thermometer(s): 3.2c

Login Notes: 002 Cooler(s)/Kit(s): 1938 04-May-10 05-May-10 

## R ichard Sanchez Hector Coronado

pH adjusted? Yes No N/A pH adjusted by:

CorrectiveAction: Comments: Client Contacted: Date Contacted: Person Contacted: Contacted By: Regarding:



### SRC Pa g e 1 of 1

### 5420 Mainway Drive, Unit 5, Burlington ON, L7L 6A4 Phone: 905-331-3111, FAX: 905-331-4567 CALA (ISO 17025:2005) Accreditation #: A3508 SCC (ISO 17025:2005) Accreditation Lab ID: 1003-15/779 Ont DW License #: 2285 NELAC Primary Accreditation, NJ DEP ID# CANA003: Secondary Accreditation, TX Cert# T104704433-08-TX

ALS Project Contact: 

### Steve Kennedy Client Name: 

### ALS Group USA Corp. ALS Project ID: 

### ALS800 Client Address: 

### 10450 Stancliff Road Suite 210 ALS WO#: 

### L883359 Houston TX Date of Report 

### 18-May-10 77099-4338 Date of Sample Receipt 

### 05-May-10 Client Contact: 

### Hector Coronado Client Project ID: 

### COMMENTS: PCDD/F by EPA 1613 B



### Certified by: Steve Kennedy Organic Laboratory Manage r Results in this certificate relate only to the samples as submitted to the laboratory. This report shall not be reproduced, except in full, without the written permission of ALS Canada Ltd. The test results herein meet all of the requirements of ISO 17025:2005 and NELAC (2003) standards unless stated otherwise in the comments above. 

# Certificate of Analysis

ALS Canada Ltd L883359 100518.xls Page 1 of 6Sample Name Method Blank 1005038-01G ( UNDERFLOW DELISTING-04) 1005038-02G (DUPLICATE-02) ALS Sample ID WG1101021-1 L883359-1 L883359-2 Sample Size 1 0.985 0.99 Sample units Litres Litres Litres Moisture Content n/a n/a n/a Matrix QC WATER WATER Sampling Date n/a 3-May-10 3-May-10 Extraction Date 13-May-10 13-May-10 13-May-10 Target Analytes pg/L pg/L pg/L 2,3,7,8-TCDD <0.91 <0.67 <0.71 1,2,3,7,8-PeCDD <1.4 <0.48 <0.56 1,2,3,4,7,8-HxCDD <1.7 <1.9 <0.57 1,2,3,6,7,8-HxCDD <1.6 <0.50 <0.51 1,2,3,7,8,9-HxCDD <3.1 <0.49 <0.54 1,2,3,4,6,7,8-HpCDD 3.03 <0.49 <0.95 OCDD <8.6 2.91 <2.4 2,3,7,8-TCDF <0.57 <0.49 <0.53 1,2,3,7,8-PeCDF 0.768 <0.26 <0.32 2,3,4,7,8-PeCDF <0.63 <0.25 <0.30 1,2,3,4,7,8-HxCDF 1.12 <0.48 <0.42 1,2,3,6,7,8-HxCDF <1.3 <0.51 <0.38 2,3,4,6,7,8-HxCDF <1.2 <0.56 <0.40 1,2,3,7,8,9-HxCDF <3.0 <0.87 <0.55 1,2,3,4,6,7,8-HpCDF 2.53 <0.45 <0.35 1,2,3,4,7,8,9-HpCDF <2.1 <0.83 <0.61 OCDF <8.4 <2.4 <0.87 Extraction Standards % Rec % Rec % Rec 13C12-2,3,7,8-TCDD 81 83 74 13C12-1,2,3,7,8-PeCDD 66 71 67 13C12-1,2,3,4,7,8-HxCDD 86 100 66 13C12-1,2,3,6,7,8-HxCDD 88 93 89 13C12-1,2,3,4,6,7,8-HpCDD 85 87 75 13C12-OCDD 62 72 62 13C12-2,3,7,8-TCDF 74 75 66 13C12-1,2,3,7,8-PeCDF 70 73 63 13C12-2,3,4,7,8-PeCDF 60 67 58 13C12-1,2,3,4,7,8-HxCDF 91 81 57 13C12-1,2,3,6,7,8-HxCDF 80 80 65 13C12-2,3,4,6,7,8-HxCDF 72 73 60 13C12-1,2,3,7,8,9-HxCDF 66 56 51 13C12-1,2,3,4,6,7,8-HpCDF 71 76 62 13C12-1,2,3,4,7,8,9-HpCDF 62 60 52 Cleanup Standard 37Cl4-2,3,7,8-TCDD 94 92 73 Homologue Group Totals pg/L pg/L pg/L Total-TCDD <0.91 <0.67 <0.71 Total-PeCDD <0.51 <0.48 <0.56 Total-HxCDD <0.62 1.54 <0.57 Total-HpCDD 3.03 <0.49 <0.46

Total-TCDF <0.57 <0.49 <0.53 Total-PeCDF 0.768 <0.26 <0.32 Total-HxCDF 1.12 <0.87 <0.55 Total-HpCDF 2.53 <0.83 <0.61 Toxic Equivalency NATO Lower Bound PCDD/F TEQ 0.206 0.00291 0.00 Upper Bound PCDD/F TEQ 3.42 1.65 1.57 

# ALS Laboratory Group Sample Analysis Summary Report

ALS Canada Ltd L883359 100518.xls Page 2 of 6Sample Name Method Blank Sampling Date ALS Sample ID WG1101021-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Analysis Type Blan k Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100517A S:6 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 DB5ms #US9538813H Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 2,3,7,8-TCDD NotFnd <0.91 0.91 U 1 1,2,3,7,8-PeCDD 32:29 <1.4 0.51 J R 0.5 1,2,3,4,7,8-HxCDD 34:39 <1.7 0.57 J R 0.1 1,2,3,6,7,8-HxCDD 34:41 <1.6 0.62 M J R 0.1 1,2,3,7,8,9-HxCDD 34:52 <3.1 0.61 J R 0.1 1,2,3,4,6,7,8-HpCDD 36:37 3.03 0.57 M J 0.01 OCDD 38:32 <8.6 1.4 M J R 0.001 2,3,7,8-TCDF NotFnd <0.57 0.57 U 0.1 1,2,3,7,8-PeCDF 31:40 0.768 0.30 J 0.05 2,3,4,7,8-PeCDF 32:18 <0.63 0.32 J R 0.5 1,2,3,4,7,8-HxCDF 34:07 1.12 0.47 J 0.1 1,2,3,6,7,8-HxCDF 34:12 <1.3 0.49 J R 0.1 2,3,4,6,7,8-HxCDF 34:33 <1.2 0.56 J R 0.1 1,2,3,7,8,9-HxCDF 35:05 <3.0 0.72 M J R 0.1 1,2,3,4,6,7,8-HpCDF 35:59 2.53 0.61 J 0.01 1,2,3,4,7,8,9-HpCDF 36:58 <2.1 0.99 J R 0.01 OCDF 38:41 <8.4 0.50 J R 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:58 81 25-164 13C12-1,2,3,7,8-PeCDD 32:28 66 25-181 13C12-1,2,3,4,7,8-HxCDD 34:38 86 32-141 13C12-1,2,3,6,7,8-HxCDD 34:41 88 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:37 85 23-140 13C12-OCDD 38:32 62 17-157 13C12-2,3,7,8-TCDF 26:37 74 24-169 13C12-1,2,3,7,8-PeCDF 31:40 70 24-185 13C12-2,3,4,7,8-PeCDF 32:17 60 21-178 13C12-1,2,3,4,7,8-HxCDF 34:08 91 26-152 13C12-1,2,3,6,7,8-HxCDF 34:12 80 26-123 13C12-2,3,4,6,7,8-HxCDF 34:33 72 29-147 13C12-1,2,3,7,8,9-HxCDF 35:05 66 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:59 71 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:59 62 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:00 94 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <0.91 0.91 Total-PeCDD 0 <0.51 0.51 Total-HxCDD 0 <0.62 0.62 Total-HpCDD 1 3.03 0.57

Total-TCDF 0 <0.57 0.57 Total-PeCDF 1 0.768 0.32 Total-HxCDF 1 1.12 0.72 Total-HpCDF 1 2.53 0.99 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.206 Upper Bound PCDD/F TEQ 3.42 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency M Indicates that a peak has been manually integrated. U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. Flags 

# ALS Laboratory Group

n/a 13-May-10 Approved: Laborator y Method Blank Anal y sis Re p ort

17-May-10 20:00 B. Reime r --e-signature--

18-May-10 1 n/a 1

ALS Canada Ltd L883359 100518.xls Page 3 of 6Sample Name 1005038-01G (UNDERFLOW DELISTING-04) Sampling Date ALS Sample ID L883359-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Analysis Type Sample Percent Moisture Sample Matrix WATER Split Ratio Run Information Run 1 Filename 1-100517A S:8 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 DB5ms #US9538813H Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 2,3,7,8-TCDD NotFnd <0.67 0.67 U 1 1,2,3,7,8-PeCDD NotFnd <0.48 0.48 U 0.5 1,2,3,4,7,8-HxCDD 34:38 <1.9 0.46 M J R 0.1 1,2,3,6,7,8-HxCDD NotFnd <0.50 0.50 U 0.1 1,2,3,7,8,9-HxCDD NotFnd <0.49 0.49 U 0.1 1,2,3,4,6,7,8-HpCDD NotFnd <0.49 0.49 U 0.01 OCDD 38:31 2.91 0.73 J 0.001 2,3,7,8-TCDF NotFnd <0.49 0.49 U 0.1 1,2,3,7,8-PeCDF NotFnd <0.26 0.26 U 0.05 2,3,4,7,8-PeCDF NotFnd <0.25 0.25 U 0.5 1,2,3,4,7,8-HxCDF NotFnd <0.48 0.48 U 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.51 0.51 U 0.1 2,3,4,6,7,8-HxCDF NotFnd <0.56 0.56 U 0.1 1,2,3,7,8,9-HxCDF NotFnd <0.87 0.87 U 0.1 1,2,3,4,6,7,8-HpCDF NotFnd <0.45 0.45 U 0.01 1,2,3,4,7,8,9-HpCDF NotFnd <0.83 0.83 U 0.01 OCDF 38:42 <2.4 0.54 M J R 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:59 83 25-164 13C12-1,2,3,7,8-PeCDD 32:28 71 25-181 13C12-1,2,3,4,7,8-HxCDD 34:38 100 32-141 13C12-1,2,3,6,7,8-HxCDD 34:42 93 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:37 87 23-140 13C12-OCDD 38:32 72 17-157 13C12-2,3,7,8-TCDF 26:37 75 24-169 13C12-1,2,3,7,8-PeCDF 31:40 73 24-185 13C12-2,3,4,7,8-PeCDF 32:17 67 21-178 13C12-1,2,3,4,7,8-HxCDF 34:08 81 26-152 13C12-1,2,3,6,7,8-HxCDF 34:12 80 26-123 13C12-2,3,4,6,7,8-HxCDF 34:33 73 29-147 13C12-1,2,3,7,8,9-HxCDF 35:06 56 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:59 76 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:59 60 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:00 92 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <0.67 0.67 Total-PeCDD 0 <0.48 0.48 Total-HxCDD 1 1.54 0.50 Total-HpCDD 0 <0.49 0.49

Total-TCDF 0 <0.49 0.49 Total-PeCDF 0 <0.26 0.26 Total-HxCDF 0 <0.87 0.87 Total-HpCDF 0 <0.83 0.83 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.00291 Upper Bound PCDD/F TEQ 1.65 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency M Indicates that a peak has been manually integrated. U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. 17-May-10 21:27 0.985 B. Reime r n/a --e-signature-- 

# ALS Laboratory Group Sam p le Anal y sis Re p ort 3-May-10 13-May-10 Approved: 1 18-May-10

Flags

ALS Canada Ltd L883359 100518.xls Page 4 of 6Sample Name 1005038-02G (DUPLICATE-02) Sampling Date ALS Sample ID L883359-2 Extraction Date Analysis Method EPA 1613B Sample Size Litres Analysis Type Sample Percent Moisture Sample Matrix WATER Split Ratio Run Information Run 1 Filename 1-100517A S:9 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 DB5ms #US9538813H Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 2,3,7,8-TCDD NotFnd <0.71 0.71 U 1 1,2,3,7,8-PeCDD NotFnd <0.56 0.56 U 0.5 1,2,3,4,7,8-HxCDD NotFnd <0.57 0.57 U 0.1 1,2,3,6,7,8-HxCDD NotFnd <0.51 0.51 U 0.1 1,2,3,7,8,9-HxCDD NotFnd <0.54 0.54 U 0.1 1,2,3,4,6,7,8-HpCDD 36:37 <0.95 0.46 J R 0.01 OCDD 38:32 <2.4 0.74 J R 0.001 2,3,7,8-TCDF NotFnd <0.53 0.53 U 0.1 1,2,3,7,8-PeCDF NotFnd <0.32 0.32 U 0.05 2,3,4,7,8-PeCDF NotFnd <0.30 0.30 U 0.5 1,2,3,4,7,8-HxCDF NotFnd <0.42 0.42 U 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.38 0.38 U 0.1 2,3,4,6,7,8-HxCDF NotFnd <0.40 0.40 U 0.1 1,2,3,7,8,9-HxCDF NotFnd <0.55 0.55 U 0.1 1,2,3,4,6,7,8-HpCDF 36:00 <0.35 0.35 U 0.01 1,2,3,4,7,8,9-HpCDF NotFnd <0.61 0.61 U 0.01 OCDF 38:40 <0.87 0.30 J R 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:58 74 25-164 13C12-1,2,3,7,8-PeCDD 32:28 67 25-181 13C12-1,2,3,4,7,8-HxCDD 34:37 66 32-141 13C12-1,2,3,6,7,8-HxCDD 34:41 89 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:37 75 23-140 13C12-OCDD 38:32 62 17-157 13C12-2,3,7,8-TCDF 26:37 66 24-169 13C12-1,2,3,7,8-PeCDF 31:40 63 24-185 13C12-2,3,4,7,8-PeCDF 32:17 58 21-178 13C12-1,2,3,4,7,8-HxCDF 34:08 57 26-152 13C12-1,2,3,6,7,8-HxCDF 34:12 65 26-123 13C12-2,3,4,6,7,8-HxCDF 34:33 60 29-147 13C12-1,2,3,7,8,9-HxCDF 35:06 51 28-136 13C12-1,2,3,4,6,7,8-HpCDF 35:59 62 28-143 13C12-1,2,3,4,7,8,9-HpCDF 36:59 52 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:01 73 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <0.71 0.71 Total-PeCDD 0 <0.56 0.56 Total-HxCDD 0 <0.57 0.57 Total-HpCDD 0 <0.46 0.46

Total-TCDF 0 <0.53 0.53 Total-PeCDF 0 <0.32 0.32 Total-HxCDF 0 <0.55 0.55 Total-HpCDF 0 <0.61 0.61 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.00 Upper Bound PCDD/F TEQ 1.57 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. Flags 

# ALS Laboratory Group Sam p le Anal y sis Re p ort 3-May-10 13-May-10 Approved:

17-May-10 22:11 18-May-10 1 0.99 B. Reime r n/a --e-signature--

ALS Canada Ltd L883359 100518.xls Page 5 of 6Sample Name LCS Sampling Date ALS Sample ID WG1101021-2 Extraction Date Analysis Method EPA 1613B Sample Size Analysis Type LCS Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100517A S:3 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units % Rec Instrument - Column HRMS-1 DB5ms #US9538813H Ret. Target Analytes Time % Rec Limits 2,3,7,8-TCDD 28:01 94 67-158 1,2,3,7,8-PeCDD 32:29 100 70-142 1,2,3,4,7,8-HxCDD 34:38 85 70-164 1,2,3,6,7,8-HxCDD 34:42 99 76-134 1,2,3,7,8,9-HxCDD 34:53 89 64-162 1,2,3,4,6,7,8-HpCDD 36:38 93 70-140 OCDD 38:32 104 78-144 2,3,7,8-TCDF 26:39 94 75-158 1,2,3,7,8-PeCDF 31:41 95 80-134 2,3,4,7,8-PeCDF 32:17 98 68-160 1,2,3,4,7,8-HxCDF 34:08 99 72-134 1,2,3,6,7,8-HxCDF 34:12 87 84-130 2,3,4,6,7,8-HxCDF 34:33 96 78-130 1,2,3,7,8,9-HxCDF 35:06 95 70-156 1,2,3,4,6,7,8-HpCDF 35:59 101 82-122 1,2,3,4,7,8,9-HpCDF 36:59 105 78-138 OCDF 38:42 100 63-170 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:59 88 20-175 13C12-1,2,3,7,8-PeCDD 32:28 72 21-227 13C12-1,2,3,4,7,8-HxCDD 34:37 94 M 21-193 13C12-1,2,3,6,7,8-HxCDD 34:41 80 M 25-163 13C12-1,2,3,4,6,7,8-HpCDD 36:37 76 26-166 13C12-OCDD 38:31 62 13-138 13C12-2,3,7,8-TCDF 26:37 77 22-152 13C12-1,2,3,7,8-PeCDF 31:40 74 21-192 13C12-2,3,4,7,8-PeCDF 32:17 66 13-328 13C12-1,2,3,4,7,8-HxCDF 34:07 75 19-202 13C12-1,2,3,6,7,8-HxCDF 34:12 79 21-159 13C12-2,3,4,6,7,8-HxCDF 34:33 81 17-205 13C12-1,2,3,7,8,9-HxCDF 35:05 67 22-176 13C12-1,2,3,4,6,7,8-HpCDF 35:59 75 21-158 13C12-1,2,3,4,7,8,9-HpCDF 36:59 60 20-186 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 28:01 89 31-191

M Indicates that a peak has been manually integrated. Flags 

# ALS Laboratory Group Laborator y Control Sam p le Anal y sis Re p ort n/a 13-May-10 Approved:

17-May-10 17:50 18-May-10 1 1 B. Reime r n/a --e-signature--

ALS Canada Ltd L883359 100518.xls Page 6 of 6

# ALS Laborator y Grou p

Environmental Division ANALYTICAL CHEMISTRY & TESTING SERVICES



### 10-Jun-2010 ERM Southwest, Inc. Tracy Jackson

Dear Tracy, 

# Re: ExxonMobil Baytown Ref Work Order: 1005586 

# Fax: (281) 600-1001 

# Tel: (281) 600-1000 15810 Park Ten Place Houston, TX 77084 Suite 300

ALS Laboratory Group received 2 samples on 18-May-2010 12:55 PM for the analyses presented in the following report.

Project Manager Hector Coronado 

# Hector Coronado
Electronically approved by: Glenda H. Ramos
Certificate No: TX: T104704231-10-3 

### The analytical data provided relates directly to the samples received by ALS Laboratory Group and for only the analyses requested. Results are expressed as "as received" unless otherwise noted. QC sample results for this data met EPA or laboratory specifications except as noted in the Case Narrative or as noted with qualifiers in the QC batch information. Should this laboratory report need to be reproduced, it should be reproduced in full unless written approval has been obtained by ALS Laboratory Group. Samples will be disposed in 30 days unless storage arrangements are made. The total number of pages in this report is 2 9
. If you have any questions regarding this report, please feel free to call me. Sincerely,

10450 Stancliff Rd, Suite 210 Houston, Texas 77099-4338 ALS Group USA, Corp. Part of the ALS Laboratory Group Phone: (281) 530-5656 Fax: (281) 530-5887 www.alsglobal.com www.elabi.com

A Campbell Brothers Limited Company

## Date: 10-Jun-10 

# ALS Laboratory Group Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# Work Order Sample Summary Lab Samp ID Client Sample ID Collection Date Tag Number Date Received Matrix Hold 1005586-01 Underflow Delisting-05 Wate r 5/18/2010 10:30 5/18/2010 12:55 1005586-02 Trip Blank Wate r 5/18/2010 10:30 5/18/2010 12:55

SS Page 1 of 1

## Date: 10-Jun-10 

# ALS Laboratory Group Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# Case Narrative The analyses for Dioxin and Fur ans were performed at ALS Laboratory Group in Burlington, Canada. See th e attached report for the results. Batch 43214, Metals, (sample U nderflow Delisting-05), MS/MSD recoveries were outside the control limits for Mn. Batch 43214, Mercury, (sam ple 1005586-01), MS/MSD is for an unrelated sample. Batch 43214, Lithium, (sample Underflow Delisting-05), MS reco very was outside the control limits. Batch 43100, Semi-Volatile, MS/MSD samples were not analyzed due to limited sample volume. A LCS and LCSD were analyzed a nd reported for this analytical batch. Batch 43100, Semi-Volatile, LCS/LCSD RPDs were abov e the control limits for 2- Methylphenol and Pyridine. The indivi dual recoveries we re within control. Batch R91585, Volatile Organic, (sample 100578 8-04), MS/MSD is for an unrelated sample.

CN Page 1 of 1

## Project: ExxonMobil Baytown Ref Sample ID: Underflow Delisting-05 Collection Date: 5/18/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1005586

Dilution

Factor Lab ID: 1005586-01 

# ALS Laboratory Group Date: 10-Jun-10

Date Prep MERCURY SW7470 Analyst: JCJ

Mercury 0.000200 mg/L 1 ND 5/28/2010 5/28/2010 02:41 PM 

### METALS SW6020 Analyst: SKS

Arsenic 0.00500 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Barium 0.00500 mg/L 1 0.0299 5/25/2010 5/26/2010 11:57 PM Cadmium 0.00200 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Chromium 0.00500 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Cobalt 0.00500 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Copper 0.00500 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Lead 0.00500 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Lithium a 0.00500 mg/L 1 ND 6/4/2010 6/4/2010 12:50 PM Manganese 0.00500 mg/L 1 0.666 5/25/2010 5/26/2010 11:57 PM Molybdenum 0.00500 mg/L 1 0.0166 5/25/2010 5/26/2010 11:57 PM Selenium 0.00500 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Silver 0.00500 mg/L 1 ND 5/25/2010 5/26/2010 11:57 PM Zinc 0.00500 mg/L 1 0.0483 5/25/2010 5/26/2010 11:57 PM 

### SEMIVOLATILES SW8270 Analyst: ACN

2,4,5-Trichlorophenol 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM 2,4,6-Trichlorophenol 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM 2,4-Dinitrotoluene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM 2-Methylphenol 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM 3&4-Methylphenol 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM 3-Methylcholanthrene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Benz(a)anthracene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Benzo(a)pyrene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Benzo(b)fluoranthene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Benzo(k)fluoranthene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Chrysene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Hexachlorobenzene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Hexachlorobutadiene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Hexachloroethane 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Nitrobenzene 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Pentachlorophenol 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Pyridine 0.0050 mg/L 1 ND 5/20/2010 5/22/2010 05:40 PM Surr: 2,4,6-Tribromophenol 42-124 %REC 1 83.4 5/20/2010 5/22/2010 05:40 PM Surr: 2-Fluorobiphenyl 48-120 %REC 1 84.6 5/20/2010 5/22/2010 05:40 PM Surr: 2-Fluorophenol 20-120 %REC 1 63.0 5/20/2010 5/22/2010 05:40 PM Surr: 4-Terphenyl-d14 51-135 %REC 1 94.5 5/20/2010 5/22/2010 05:40 PM Surr: Nitrobenzene-d5 41-120 %REC 1 69.5 5/20/2010 5/22/2010 05:40 PM



## AR Page 1 of 3 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Ref Sample ID: Underflow Delisting-05 Collection Date: 5/18/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1005586

Dilution

Factor Lab ID: 1005586-01 

# ALS Laboratory Group Date: 10-Jun-10

Date Prep Surr: Phenol-d6 20-120 %REC 1 69.4 5/20/2010 5/22/2010 05:40 PM 

### VOLATILES SW8260 Analyst: PC

1,1-Dichloroethene 0.0050 mg/L 1 ND 5/26/2010 07:15 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 5/26/2010 07:15 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 5/26/2010 07:15 PM 2-Butanone 0.010 mg/L 1 ND 5/26/2010 07:15 PM Benzene 0.0050 mg/L 1 ND 5/26/2010 07:15 PM Carbon tetrachloride 0.0050 mg/L 1 ND 5/26/2010 07:15 PM Chlorobenzene 0.0050 mg/L 1 ND 5/26/2010 07:15 PM Chloroform 0.0050 mg/L 1 ND 5/26/2010 07:15 PM Tetrachloroethene 0.0050 mg/L 1 ND 5/26/2010 07:15 PM Trichloroethene 0.0050 mg/L 1 ND 5/26/2010 07:15 PM Vinyl chloride 0.0020 mg/L 1 ND 5/26/2010 07:15 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 87.5 5/26/2010 07:15 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 84.6 5/26/2010 07:15 PM Surr: Dibromofluoromethane 71-125 %REC 1 92.6 5/26/2010 07:15 PM Surr: Toluene-d8 75-125 %REC 1 93.9 5/26/2010 07:15 PM 

### MISCELLANEOUS ANALYSIS NA Analyst: HN

Miscellaneous Analysis 1 See Attached 6/8/2010 

### ANIONS SW9056 Analyst: IGF

Fluoride 0.100 mg/L 1 0.573 5/21/2010 04:25 PM Surr: Selenate (surr) 85-115 %REC 1 99.5 5/21/2010 04:25 PM 

### CYANIDE M4500CN E&G Analyst: JBA

Cyanide 0.00500 mg/L 1 0.00700 5/26/2010 01:00 PM Cyanide, Amenable to Chlorination 0.00500 mg/L 1 ND 5/26/2010 01:00 PM 

### PHOSPHORUS SM4500P E Analyst: DM

Phosphorus, Total (As P) 0.0500 mg/L 1 ND 5/21/2010 01:30 PM



## AR Page 2 of 3 Note: See Qualifiers Page for a list of qualifiers and their explanation.

## Project: ExxonMobil Baytown Ref Sample ID: Trip Blank Collection Date: 5/18/2010 10:30 AM Matrix: WATER Analyses Result Qual Units Date Analyzed Report

Limit Client: ERM Southwest, Inc. Work Order: 1005586

Dilution

Factor Lab ID: 1005586-02 

# ALS Laboratory Group Date: 10-Jun-10

Date Prep VOLATILES SW8260 Analyst: PC

1,1-Dichloroethene 0.0050 mg/L 1 ND 5/26/2010 07:41 PM 1,2-Dichloroethane 0.0050 mg/L 1 ND 5/26/2010 07:41 PM 1,4-Dichlorobenzene 0.0050 mg/L 1 ND 5/26/2010 07:41 PM 2-Butanone 0.010 mg/L 1 ND 5/26/2010 07:41 PM Benzene 0.0050 mg/L 1 ND 5/26/2010 07:41 PM Carbon tetrachloride 0.0050 mg/L 1 ND 5/26/2010 07:41 PM Chlorobenzene 0.0050 mg/L 1 ND 5/26/2010 07:41 PM Chloroform 0.0050 mg/L 1 ND 5/26/2010 07:41 PM Tetrachloroethene 0.0050 mg/L 1 ND 5/26/2010 07:41 PM Trichloroethene 0.0050 mg/L 1 ND 5/26/2010 07:41 PM Vinyl chloride 0.0020 mg/L 1 ND 5/26/2010 07:41 PM Surr: 1,2-Dichloroethane-d4 70-125 %REC 1 89.2 5/26/2010 07:41 PM Surr: 4-Bromofluorobenzene 72-125 %REC 1 86.0 5/26/2010 07:41 PM Surr: Dibromofluoromethane 71-125 %REC 1 89.7 5/26/2010 07:41 PM Surr: Toluene-d8 75-125 %REC 1 86.4 5/26/2010 07:41 PM



## AR Page 3 of 3 Note: See Qualifiers Page for a list of qualifiers and their explanation.

### Date: 10-Jun-10 

# ALS Laboratory Group Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43214 Instrument ID ICPMS04 Method: SW6020

Qual RPD Limit Analysis Date: 5/26/2010 11:46 PM Prep Date: 5/25/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1974345 MBLK Run ID: ICPMS04_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW2-052510-43214

Arsenic 0.0050 ND Barium 0.0050 ND Cadmium 0.0020 ND Chromium 0.0050 ND Cobalt 0.0050 ND Copper 0.0050 ND Lead 0.0050 ND Manganese 0.0050 ND Molybdenum 0.0050 ND Selenium 0.0050 ND Silver 0.0050 ND J Zinc 0.0050 0.004149

Qual RPD Limit Analysis Date: 5/26/2010 11:51 PM Prep Date: 5/25/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1974346 LCS Run ID: ICPMS04_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW2-052510-43214

0 0 0.05 Arsenic 94.8 80-120 0.0050 0.04738 0 0 0.05 Barium 95.1 80-120 0.0050 0.04756 0 0 0.05 Cadmium 96.3 80-120 0.0020 0.04816 0 0 0.05 Chromium 93.9 80-120 0.0050 0.04696 0 0 0.05 Cobalt 94.9 80-120 0.0050 0.04747 0 0 0.05 Copper 96.2 80-120 0.0050 0.0481 0 0 0.05 Lead 85.4 80-120 0.0050 0.04271 0 0 0.05 Manganese 94.4 80-120 0.0050 0.04722 0 0 0.05 Molybdenum 94.5 80-120 0.0050 0.04726 0 0 0.05 Selenium 95 80-120 0.0050 0.04749 0 0 0.05 Silver 95.5 80-120 0.0050 0.04775 0 0 0.05 Zinc 101 80-120 0.0050 0.05053

QC Page: 1 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43214 Instrument ID ICPMS04 Method: SW6020

Qual RPD Limit Analysis Date: 5/27/2010 12:13 AM Prep Date: 5/25/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1974352 MS Run ID: ICPMS04_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01EMS

0 0.001586 0.05 Arsenic 103 80-120 0.0050 0.05307 0 0.02987 0.05 Barium 106 80-120 0.0050 0.08295 0 0.000062 0.05 Cadmium 99 80-120 0.0020 0.04955 0 0.000279 0.05 Chromium 100 80-120 0.0050 0.05028 0 0.001385 0.05 Cobalt 98.9 80-120 0.0050 0.05086 0 0.003637 0.05 Copper 98.5 80-120 0.0050 0.05291 0 0.000528 0.05 Lead 83.9 80-120 0.0050 0.04247 SO 0 0.6655 0.05 Manganese 252 80-120 0.0050 0.7914 0 0.002709 0.05 Selenium 102 80-120 0.0050 0.05366

Qual RPD Limit Analysis Date: 5/27/2010 04:26 PM Prep Date: 5/25/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1974723 MS Run ID: ICPMS04_100527A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01EMS

0 0.0166 0.05 Molybdenum 97.3 80-120 0.0050 0.06526 0 0 0.05 Silver 91.1 80-120 0.0050 0.04557 0 0.04831 0.05 Zinc 100 80-120 0.0050 0.09855

Qual RPD Limit Analysis Date: 5/27/2010 12:18 AM Prep Date: 5/25/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1974354 MSD Run ID: ICPMS04_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01EMSD

0.05307 0.001586 0.05 Arsenic 96.3 80-120 15 0.0050 6.47 0.04974 0.08295 0.02987 0.05 Barium 96.7 80-120 15 0.0050 5.85 0.07824 0.04955 0.000062 0.05 Cadmium 92.5 80-120 15 0.0020 6.75 0.04631 0.05028 0.000279 0.05 Chromium 93.5 80-120 15 0.0050 6.66 0.04704 0.05086 0.001385 0.05 Cobalt 92.5 80-120 15 0.0050 6.59 0.04761 0.05291 0.003637 0.05 Copper 93.2 80-120 15 0.0050 5.18 0.05024 0.04247 0.000528 0.05 Lead 84.6 80-120 15 0.0050 0.86 0.04284 O 0.7914 0.6655 0.05 Manganese 102 80-120 15 0.0050 9.97 0.7163 0.05667 0.0166 0.05 Molybdenum 93.7 80-120 15 0.0050 11.3 0.06346 0.05366 0.002709 0.05 Selenium 95 80-120 15 0.0050 6.61 0.05022 0.03982 0.000015 0.05 Silver 91 80-120 15 0.0050 13.3 0.04551 0.08488 0.04831 0.05 Zinc 91 80-120 15 0.0050 10 0.09381

QC Page: 2 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43214 Instrument ID ICPMS04 Method: SW6020

Qual RPD Limit Analysis Date: 5/27/2010 12:02 AM Prep Date: 5/25/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1974349 DUP Run ID: ICPMS04_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01EDUP

J 0.001586 0 0 Arsenic 0 0-0 25 0.0050 0 0.001326 0.02987 0 0 Barium 0 0-0 25 0.0050 1.63 0.02939 0.000062 0 0 Cadmium 0 0-0 25 0.0020 0 ND 0.000279 0 0 Chromium 0 0-0 25 0.0050 0 ND J 0.001385 0 0 Cobalt 0 0-0 25 0.0050 0 0.00135 J 0.003637 0 0 Copper 0 0-0 25 0.0050 0 0.003155 J 0.000528 0 0 Lead 0 0-0 25 0.0050 0 0.000525 0.6655 0 0 Manganese 0 0-0 25 0.0050 7.22 0.6191 0.0166 0 0 Molybdenum 0 0-0 25 0.0050 7.04 0.01547 J 0.002709 0 0 Selenium 0 0-0 25 0.0050 0 0.002804 0.000015 0 0 Silver 0 0-0 25 0.0050 0 ND 0.04831 0 0 Zinc 0 0-0 25 0.0050 3.07 0.04685 The following samples were analyzed in this batch: 1005586-01E

QC Page: 3 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43309 Instrument ID HG02 Method: SW7470

Qual RPD Limit Analysis Date: 5/28/2010 01:31 PM Prep Date: 5/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1976041 MBLK Run ID: HG02_100528A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GBLKW1-052810-43309

Mercury 0.00020 ND

Qual RPD Limit Analysis Date: 5/28/2010 01:38 PM Prep Date: 5/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1976045 LCS Run ID: HG02_100528A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: GLCSW1-052810-43309

0 0 0.005 Mercury 107 85-115 0.00020 0.00533

Qual RPD Limit Analysis Date: 5/28/2010 01:53 PM Prep Date: 5/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1976055 MS Run ID: HG02_100528A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005615-01BMS

S 0 0 0.005 Mercury 65.8 85-115 0.00020 0.00329

Qual RPD Limit Analysis Date: 5/28/2010 01:56 PM Prep Date: 5/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1976060 MSD Run ID: HG02_100528A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005615-01BMSD

S 0.00329 0 0.005 Mercury 68.2 85-115 20 0.00020 3.58 0.00341

Qual RPD Limit Analysis Date: 5/28/2010 01:46 PM Prep Date: 5/28/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1976052 DUP Run ID: HG02_100528A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005615-01BDUP

0 0 0 Mercury 0 0-0 20 0.00020 0 ND The following samples were analyzed in this batch: 1005586-01E

QC Page: 4 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43445 Instrument ID ICP7500 Method: SW6020

Qual RPD Limit Analysis Date: 6/4/2010 12:32 PM Prep Date: 6/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1982560 MBLK Run ID: ICP7500_100604A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MBLKW1-060410-43445

Lithium 0.0050 ND

Qual RPD Limit Analysis Date: 6/4/2010 12:36 PM Prep Date: 6/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1982561 LCS Run ID: ICP7500_100604A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSW1-060410-43445

0 0 0.1 Lithium 101 80-120 0.0050 0.1006

Qual RPD Limit Analysis Date: 6/4/2010 12:39 PM Prep Date: 6/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1982562 LCSD Run ID: ICP7500_100604A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: MLCSDW1-060410-43445

0.1006 0 0.1 Lithium 102 80-120 15 0.0050 1.28 0.1019

Qual RPD Limit Analysis Date: 6/4/2010 12:53 PM Prep Date: 6/4/2010 Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1982566 MS Run ID: ICP7500_100604A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01HMS

S 0 0 0.2 Lithium 37.3 80-120 0.0050 0.07463 The following samples were analyzed in this batch: 1005586-01H

QC Page: 5 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43100 Instrument ID SV-3 Method: SW8270

Qual RPD Limit Analysis Date: 5/22/2010 01:42 PM Prep Date: 5/20/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1969254 MBLK Run ID: SV-3_100522A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SBLKW3-100520-43100

2,4,5-Trichlorophenol 5.0 ND 2,4,6-Trichlorophenol 5.0 ND 2,4-Dinitrotoluene 5.0 ND 2-Methylphenol 5.0 ND 3&4-Methylphenol 5.0 ND 3-Methylcholanthrene 5.0 ND Benz(a)anthracene 5.0 ND Benzo(a)pyrene 5.0 ND Benzo(b)fluoranthene 5.0 ND Benzo(k)fluoranthene 5.0 ND Chrysene 5.0 ND Hexachlorobenzene 5.0 ND Hexachlorobutadiene 5.0 ND Hexachloroethane 5.0 ND Nitrobenzene 5.0 ND Pentachlorophenol 5.0 ND Pyridine 5.0 ND 0 0 100 Surr: 2,4,6-Tribromophenol 64.5 42-124 5.0 64.48 0 0 100 Surr: 2-Fluorobiphenyl 81.5 48-120 5.0 81.49 0 0 100 Surr: 2-Fluorophenol 63.3 20-120 5.0 63.28 0 0 100 Surr: 4-Terphenyl-d14 90.3 51-135 5.0 90.26 0 0 100 Surr: Nitrobenzene-d5 67.6 41-120 5.0 67.65 0 0 100 Surr: Phenol-d6 59 20-120 5.0 59.03

QC Page: 6 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43100 Instrument ID SV-3 Method: SW8270

Qual RPD Limit Analysis Date: 5/22/2010 02:06 PM Prep Date: 5/20/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1969257 LCS Run ID: SV-3_100522A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSW3-100520-43100

0 0 100 2,4,5-Trichlorophenol 85.6 50-120 5.0 85.61 0 0 100 2,4,6-Trichlorophenol 76.6 50-120 5.0 76.56 0 0 50 2,4-Dinitrotoluene 82.1 50-120 5.0 41.04 0 0 100 2-Methylphenol 67.8 50-120 5.0 67.82 0 0 150 3&4-Methylphenol 62.3 55-120 5.0 93.51 0 0 50 3-Methylcholanthrene 91.1 50-120 5.0 45.55 0 0 50 Benz(a)anthracene 80.6 55-120 5.0 40.32 0 0 50 Benzo(a)pyrene 83.6 55-120 5.0 41.8 0 0 50 Benzo(b)fluoranthene 86.8 55-120 5.0 43.38 0 0 50 Benzo(k)fluoranthene 94.8 55-120 5.0 47.39 0 0 50 Chrysene 92.6 55-120 5.0 46.3 0 0 50 Hexachlorobenzene 86.5 55-120 5.0 43.24 0 0 50 Hexachlorobutadiene 81.4 55-120 5.0 40.69 0 0 50 Hexachloroethane 73.3 55-120 5.0 36.66 0 0 50 Nitrobenzene 79.1 55-120 5.0 39.53 0 0 100 Pentachlorophenol 88.3 55-120 5.0 88.35 0 0 50 Pyridine 66.4 35-120 5.0 33.19 0 0 100 Surr: 2,4,6-Tribromophenol 84.5 42-124 5.0 84.49 0 0 100 Surr: 2-Fluorobiphenyl 80.7 48-120 5.0 80.75 0 0 100 Surr: 2-Fluorophenol 70.5 20-120 5.0 70.47 0 0 100 Surr: 4-Terphenyl-d14 88.6 51-135 5.0 88.6 0 0 100 Surr: Nitrobenzene-d5 71.2 41-120 5.0 71.19 0 0 100 Surr: Phenol-d6 61.4 20-120 5.0 61.43

QC Page: 7 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: 43100 Instrument ID SV-3 Method: SW8270

Qual RPD Limit Analysis Date: 5/24/2010 02:06 PM Prep Date: 5/20/2010 Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1969273 LCSD Run ID: SV-3_100522A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: SLCSDW3-100520-43100

85.61 0 100 2,4,5-Trichlorophenol 83.8 50-120 20 5.0 2.11 83.82 76.56 0 100 2,4,6-Trichlorophenol 87.8 50-120 20 5.0 13.7 87.79 41.04 0 50 2,4-Dinitrotoluene 89.1 50-120 20 5.0 8.19 44.54 R 67.82 0 100 2-Methylphenol 83 50-120 20 5.0 20.1 83.01 93.51 0 150 3&4-Methylphenol 75.9 55-120 20 5.0 19.7 113.9 45.55 0 50 3-Methylcholanthrene 91.2 50-120 20 5.0 0.0865 45.59 40.32 0 50 Benz(a)anthracene 81.5 55-120 20 5.0 1.06 40.75 41.8 0 50 Benzo(a)pyrene 84.8 55-120 20 5.0 1.38 42.38 43.38 0 50 Benzo(b)fluoranthene 83.4 55-120 20 5.0 4 41.68 47.39 0 50 Benzo(k)fluoranthene 91.6 55-120 20 5.0 3.39 45.81 46.3 0 50 Chrysene 90.1 55-120 20 5.0 2.76 45.04 43.24 0 50 Hexachlorobenzene 87.4 55-120 20 5.0 1.1 43.72 40.69 0 50 Hexachlorobutadiene 80 55-120 20 5.0 1.65 40.02 36.66 0 50 Hexachloroethane 73.8 55-120 20 5.0 0.616 36.89 39.53 0 50 Nitrobenzene 79.1 55-120 20 5.0 0.107 39.57 88.35 0 100 Pentachlorophenol 80.4 55-120 20 5.0 9.39 80.42 R 33.19 0 50 Pyridine 49.6 35-120 20 5.0 28.9 24.81 84.49 0 100 Surr: 2,4,6-Tribromophenol 84 42-124 20 5.0 0.592 83.99 80.75 0 100 Surr: 2-Fluorobiphenyl 82 48-120 20 5.0 1.52 81.99 70.47 0 100 Surr: 2-Fluorophenol 76.5 20-120 20 5.0 8.17 76.47 88.6 0 100 Surr: 4-Terphenyl-d14 89.2 51-135 20 5.0 0.657 89.18 71.19 0 100 Surr: Nitrobenzene-d5 74.6 41-120 20 5.0 4.65 74.57 R 61.43 0 100 Surr: Phenol-d6 75.6 20-120 20 5.0 20.6 75.56 The following samples were analyzed in this batch: 1005586-01F

QC Page: 8 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: R91585 Instrument ID VOA1 Method: SW8260

Qual RPD Limit Analysis Date: 5/26/2010 11:58 AM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1973271 MBLK Run ID: VOA1_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VBLKW-052610-R91585

1,1-Dichloroethene 5.0 ND 1,2-Dichloroethane 5.0 ND 1,4-Dichlorobenzene 5.0 ND 2-Butanone 10 ND Benzene 5.0 ND Carbon tetrachloride 5.0 ND Chlorobenzene 5.0 ND Chloroform 5.0 ND Tetrachloroethene 5.0 ND Trichloroethene 5.0 ND Vinyl chloride 2.0 ND 0 0 50 Surr: 1,2-Dichloroethane-d4 93.3 70-125 5.0 46.65 0 0 50 Surr: 4-Bromofluorobenzene 85.9 72-125 5.0 42.97 0 0 50 Surr: Dibromofluoromethane 96.8 71-125 5.0 48.42 0 0 50 Surr: Toluene-d8 92.5 75-125 5.0 46.24

Qual RPD Limit Analysis Date: 5/26/2010 11:07 AM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1973270 LCS Run ID: VOA1_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: VLCSW-052610-R91585

0 0 50 1,1-Dichloroethene 108 73-124 5.0 53.78 0 0 50 1,2-Dichloroethane 97.8 78-120 5.0 48.89 0 0 50 1,4-Dichlorobenzene 93.9 80-120 5.0 46.97 0 0 100 2-Butanone 104 58-132 10 104.3 0 0 50 Benzene 107 73-121 5.0 53.36 0 0 50 Carbon tetrachloride 106 75-124 5.0 52.8 0 0 50 Chlorobenzene 94.5 80-120 5.0 47.23 0 0 50 Chloroform 97.1 80-120 5.0 48.57 0 0 50 Tetrachloroethene 107 79-120 5.0 53.35 0 0 50 Trichloroethene 112 80-120 5.0 56.04 0 0 50 Vinyl chloride 89.6 70-127 2.0 44.78 0 0 50 Surr: 1,2-Dichloroethane-d4 82 70-125 5.0 41 0 0 50 Surr: 4-Bromofluorobenzene 86.8 72-125 5.0 43.4 0 0 50 Surr: Dibromofluoromethane 85.9 71-125 5.0 42.93 0 0 50 Surr: Toluene-d8 87.5 75-125 5.0 43.74

QC Page: 9 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: R91585 Instrument ID VOA1 Method: SW8260

Qual RPD Limit Analysis Date: 5/26/2010 01:40 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1973279 MS Run ID: VOA1_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005788-04AMS

0 0 50 1,1-Dichloroethene 79.3 73-124 5.0 39.66 0 0 50 1,2-Dichloroethane 97.2 78-120 5.0 48.61 0 0 50 1,4-Dichlorobenzene 98.1 80-120 5.0 49.05 0 0 100 2-Butanone 113 58-132 10 113 0 0 50 Benzene 97.9 73-121 5.0 48.95 0 0 50 Carbon tetrachloride 77.5 75-124 5.0 38.77 0 0 50 Chlorobenzene 96.2 80-120 5.0 48.1 0 0 50 Chloroform 96.2 80-120 5.0 48.12 0 0 50 Tetrachloroethene 89 79-120 5.0 44.5 0 0 50 Trichloroethene 97 80-120 5.0 48.49 S 0 0 50 Vinyl chloride 52.3 70-127 2.0 26.16 0 0 50 Surr: 1,2-Dichloroethane-d4 88.1 70-125 5.0 44.05 0 0 50 Surr: 4-Bromofluorobenzene 95.2 72-125 5.0 47.61 0 0 50 Surr: Dibromofluoromethane 93.6 71-125 5.0 46.82 0 0 50 Surr: Toluene-d8 97.4 75-125 5.0 48.71

Qual RPD Limit Analysis Date: 5/26/2010 02:06 PM Prep Date: Analyte Result %REC %RPD Units: μg/L

PQL Client ID: SeqNo: 1973280 MSD Run ID: VOA1_100526A SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005788-04AMSD

39.66 0 50 1,1-Dichloroethene 75 73-124 20 5.0 5.61 37.49 48.61 0 50 1,2-Dichloroethane 96.6 78-120 20 5.0 0.669 48.28 49.05 0 50 1,4-Dichlorobenzene 94.4 80-120 20 5.0 3.83 47.21 113 0 100 2-Butanone 106 58-132 20 10 6.39 106 48.95 0 50 Benzene 96.4 73-121 20 5.0 1.49 48.22 38.77 0 50 Carbon tetrachloride 77.6 75-124 20 5.0 0.12 38.82 48.1 0 50 Chlorobenzene 90.5 80-120 20 5.0 6.11 45.25 48.12 0 50 Chloroform 89.1 80-120 20 5.0 7.7 44.56 44.5 0 50 Tetrachloroethene 79.3 79-120 20 5.0 11.5 39.66 48.49 0 50 Trichloroethene 94 80-120 20 5.0 3.16 46.99 S 26.16 0 50 Vinyl chloride 48.7 70-127 20 2.0 7.27 24.33 44.05 0 50 Surr: 1,2-Dichloroethane-d4 80.5 70-125 20 5.0 9.07 40.23 47.61 0 50 Surr: 4-Bromofluorobenzene 86.6 72-125 20 5.0 9.51 43.28 46.82 0 50 Surr: Dibromofluoromethane 85 71-125 20 5.0 9.72 42.48 48.71 0 50 Surr: Toluene-d8 90.7 75-125 20 5.0 7.2 45.33 The following samples were analyzed in this batch: 1005586-01A 1005586-02A

QC Page: 10 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: R91314 Instrument ID UV-2450 Method: SM4500P E

Qual RPD Limit Analysis Date: 5/21/2010 01:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1967004 MBLK Run ID: UV-2450_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-05212010-R91314

Phosphorus, Total (As P) 0.050 ND

Qual RPD Limit Analysis Date: 5/21/2010 01:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1967005 LCS Run ID: UV-2450_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-05212010-R91314

0 0 0.25 Phosphorus, Total (As P) 99.2 80-120 0.050 0.248

Qual RPD Limit Analysis Date: 5/21/2010 01:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1967012 MS Run ID: UV-2450_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01DMS

0 0.033 0.25 Phosphorus, Total (As P) 95.2 80-120 0.050 0.271

Qual RPD Limit Analysis Date: 5/21/2010 01:30 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1967010 DUP Run ID: UV-2450_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01DDUP

J 0.033 0 0 Phosphorus, Total (As P) 0 0-0 20 0.050 0 0.034 The following samples were analyzed in this batch: 1005586-01D

QC Page: 11 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: R91556 Instrument ID UV-2450 Method: M4500CN E&G

Qual RPD Limit Analysis Date: 5/26/2010 01:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972546 MBLK Run ID: UV-2450_100526B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW1-052510-R91556

Cyanide 0.0050 ND Cyanide, Amenable to Chlorination 0.0050 ND

Qual RPD Limit Analysis Date: 5/26/2010 01:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972547 LCS Run ID: UV-2450_100526B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW1-052510-R91556

0 0 0.2 Cyanide 96 80-120 0.0050 0.192

Qual RPD Limit Analysis Date: 5/26/2010 01:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1972551 MS Run ID: UV-2450_100526B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01CMS

0 0.007 0.2 Cyanide 95.5 80-120 0.0050 0.198

Qual RPD Limit Analysis Date: 5/26/2010 01:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1972553 MSD Run ID: UV-2450_100526B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01CMSD

0.198 0.007 0.2 Cyanide 95.5 80-120 20 0.0050 0 0.198

Qual RPD Limit Analysis Date: 5/26/2010 01:00 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: Underflow Delisting-05 SeqNo: 1972550 DUP Run ID: UV-2450_100526B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005586-01CDUP

0.007 0 0 Cyanide 0 0-0 20 0.0050 0 0.007 0 0 0 Cyanide, Amenable to Chlorination 0 0-0 0 0.0050 0 ND The following samples were analyzed in this batch: 1005586-01C

QC Page: 12 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: R91570 Instrument ID ICS2100 Method: SW9056

Qual RPD Limit Analysis Date: 5/21/2010 09:16 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972898 MBLK Run ID: ICS2100_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WBLKW3-052110-R91570

Fluoride 0.10 ND 0 0 5 Surr: Selenate (surr) 98.2 85-115 0.10 4.909

Qual RPD Limit Analysis Date: 5/21/2010 09:31 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972899 LCS Run ID: ICS2100_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSW3-052110-R91570

0 0 4 Fluoride 103 90-110 0.10 4.11 0 0 5 Surr: Selenate (surr) 99.1 85-115 0.10 4.957

Qual RPD Limit Analysis Date: 5/21/2010 09:45 AM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972900 LCSD Run ID: ICS2100_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: WLCSDW3-052110-R91570

4.11 0 4 Fluoride 99.8 90-110 20 0.10 2.96 3.99 4.957 0 5 Surr: Selenate (surr) 92.1 85-115 20 0.10 7.36 4.605

Qual RPD Limit Analysis Date: 5/21/2010 12:46 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972907 MS Run ID: ICS2100_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005700-06DMS

0 0.408 2 Fluoride 106 80-120 0.10 2.535 0 0 5 Surr: Selenate (surr) 101 85-115 0.10 5.056

Qual RPD Limit Analysis Date: 5/21/2010 01:44 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972910 MS Run ID: ICS2100_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005700-01DMS

0 0.315 2 Fluoride 104 80-120 0.10 2.399 0 0 5 Surr: Selenate (surr) 89.7 85-115 0.10 4.487

Qual RPD Limit Analysis Date: 5/21/2010 01:01 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972909 MSD Run ID: ICS2100_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005700-06DMSD

2.535 0.408 2 Fluoride 106 80-120 20 0.10 0.633 2.519 5.056 0 5 Surr: Selenate (surr) 101 85-115 20 0.10 0.535 5.029

QC Page: 13 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

### Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. Work Order: 1005586 

# QC BATCH REPORT

Batch ID: R91570 Instrument ID ICS2100 Method: SW9056

Qual RPD Limit Analysis Date: 5/21/2010 01:59 PM Prep Date: Analyte Result %REC %RPD Units: mg/L

PQL Client ID: SeqNo: 1972915 MSD Run ID: ICS2100_100521B SPK Val SPK Ref Value RPD Ref Value Control

Limit DF: 1 Sample ID: 1005700-01DMSD

2.399 0.315 2 Fluoride 103 80-120 20 0.10 0.795 2.38 4.487 0 5 Surr: Selenate (surr) 88.8 85-115 20 0.10 1.01 4.442 The following samples were analyzed in this batch: 1005586-01B

QC Page: 14 of 14 Note: See Qualifiers Page for a list of Qualifiers and their explanation.

# ALS Laboratory Group Date: 10-Jun-10 

# QUALIFIERS, ACRONYMS, UNITS Project: ExxonMobil Baytown Ref Client: ERM Southwest, Inc. WorkOrder: 1005586

Units Reported Description Qualifier Description

Acronym Description

Milligrams per Liter mg/L Value exceeds Regulatory Limit

* Not accredited a Analyte detected in the associated Method Blank above the Reporting Limit B Value above quantitation range E Analyzed outside of Holding Time H Analyte detected below quantitation limit J Manually integrated, see raw data for justification M Not offered for accreditation n Not Detected at the Reporting Limit ND Sample amount is > 4 times amount spiked O Dual Column results percent difference > 40% P RPD above laboratory control limit R Spike Recovery outside laboratory control limits S Analyzed but not detected above the MDL U Method Duplicate DUP Laboratory Control Sample LCS Laboratory Control Sample Duplicate LCSD Method Blank MBLK Method Detection Limit MDL Method Quantitation Limit MQL Matrix Spike MS Matrix Spike Duplicate MSD Post Digestion Spike PDS Practical Quantitaion Limit PQL Serial Dilution SD Sample Detection Limit SDL Texas Risk Reduction Program TRRP

QF Page 1 of 1

# ALS LaboratoryGrou p Sample Receipt Checklist Client Name: ERMSW-HOU Work Order: 1005586 Date/Time Received: 18-May-10 12:55 Received by: RNG Checklist completed by eSignature Date Reviewed by: Date eSignature Matrices: waters Carrier name: Client Shipping container/cooler in good condition? Yes No Not Present Custody seals intact on shipping container/cooler? Yes No Not Present Custody seals intact on sample bottles? Yes No Not Present Chain of custody present? Yes No Chain of custody signed when relinquished and received? Yes No Chain of custody agrees with sample labels? Yes No Samples in proper container/bottle? Yes No Sample containers intact? Yes No Sufficient sample volume for indicated test? Yes No All samples received within holding time? Yes No Container/Temp Blank temperature in compliance? Yes No

Yes No No VOA vials submitted Water - VOA vials have zero headspace? Water - pH acceptable upon receipt? Yes No N/A Temperature(s)/Thermometer(s): 4.2c

Login Notes: 002 Cooler(s)/Kit(s): 3468 18-May-10 19-May-10 

## R obert D. Harris Hector Coronado

pH adjusted? Yes No N/A pH adjusted by:

CorrectiveAction: Comments: Client Contacted: Date Contacted: Person Contacted: Contacted By: Regarding:



### SRC Pa g e 1 of 1

### 5420 Mainway Drive, Unit 5, Burlington ON, L7L 6A4 Phone: 905-331-3111, FAX: 905-331-4567 CAEAL (ISO 17025) Accreditation #: A3508 SCC (ISO 17025) Accreditation Lab ID: 1003-15/779 Ont DW License #: 2285 NELAC (ISO 17025) Primary Accreditation through NJ DEP, NJ ID#: CANA003.

ALS Project Contact: 

### Steve Kennedy Client Name: 

### ALS Group USA Corp. ALS Project ID: 

### ALS800 Client Address: 

### 10450 Stancliff Road, Suite 210 ALS WO#: 

### L888517 Houston, TX Date of Report 

### 9-Jun-10 77099-4338 Date of Sample Receipt 

### 20-May-10 Client Contact: 

### Hector Coronado Client Project ID: 

### 1005586 COMMENTS: PCDD/F by EPA Method 1613 B 

### There are positive target values detected in the method blank due to carryover from the preceding analysis of a standard solution. However, the detected values are lower than the calibrated range and the impacted targets have not been detected in the sample 

### demonstrating an absence of bias due to laboratory background. No negative imact to overall data quality is expected.

Certified by: Steve Kennedy Laboratory Manage r Results in this certificate relate only to the samples as submitted to the laboratory. This report shall not be reproduced, except in full, without the written permission of ALS Canada Ltd. The test results herein meet all of the requirements of ISO 17025 (2003) and NELAC (2003) standards unless stated otherwise in the comments above. 

# Certificate of Analysis

ALS Canada Ltd L888517 100609.xls Page 1 of 5Sample Name Method Blank 1005586-01G ( UNDERFLOW DELISTING-05) ALS Sample ID WG1106888-1 L888517-1 Sample Size 1 0.98 Sample units Litres Litres Moisture Content n/a n/a Matrix QC Water Sampling Date n/a 18-May-10 Extraction Date 26-May-10 26-May-10 Target Analytes pg/L pg/L 2,3,7,8-TCDD <1.2 <1.1 1,2,3,7,8-PeCDD <1.4 <0.71 1,2,3,4,7,8-HxCDD <1.5 <0.52 1,2,3,6,7,8-HxCDD 2.38 <0.56 1,2,3,7,8,9-HxCDD <2.6 <0.55 1,2,3,4,6,7,8-HpCDD <3.0 <0.79 OCDD <5.0 7.67 2,3,7,8-TCDF <1.2 <1.1 1,2,3,7,8-PeCDF <1.6 <0.63 2,3,4,7,8-PeCDF 1.88 <0.62 1,2,3,4,7,8-HxCDF 1.49 <0.48 1,2,3,6,7,8-HxCDF 1.01 <0.39 2,3,4,6,7,8-HxCDF <1.8 <0.43 1,2,3,7,8,9-HxCDF <2.3 <0.56 1,2,3,4,6,7,8-HpCDF <1.7 <0.42 1,2,3,4,7,8,9-HpCDF 2.56 <0.62 OCDF 5.51 <1.5 Extraction Standards % Rec % Rec 13C12-2,3,7,8-TCDD 59 59 13C12-1,2,3,7,8-PeCDD 96 81 13C12-1,2,3,4,7,8-HxCDD 63 66 13C12-1,2,3,6,7,8-HxCDD 77 70 13C12-1,2,3,4,6,7,8-HpCDD 73 63 13C12-OCDD 69 58 13C12-2,3,7,8-TCDF 64 60 13C12-1,2,3,7,8-PeCDF 102 78 13C12-2,3,4,7,8-PeCDF 101 80 13C12-1,2,3,4,7,8-HxCDF 83 93 13C12-1,2,3,6,7,8-HxCDF 91 86 13C12-2,3,4,6,7,8-HxCDF 86 82 13C12-1,2,3,7,8,9-HxCDF 80 74 13C12-1,2,3,4,6,7,8-HpCDF 79 67 13C12-1,2,3,4,7,8,9-HpCDF 84 67 Cleanup Standard 37Cl4-2,3,7,8-TCDD 58 60 Homologue Group Totals pg/L pg/L Total-TCDD <1.2 <1.1 Total-PeCDD <0.66 <0.71 Total-HxCDD 2.38 <0.56 Total-HpCDD <0.70 <0.61

Total-TCDF <1.2 <1.1 Total-PeCDF 2.10 <0.63 Total-HxCDF 2.50 <0.56 Total-HpCDF 2.56 <0.62 Toxic Equivalency NATO Lower Bound PCDD/F TEQ 1.46 0.00767 Upper Bound PCDD/F TEQ 4.43 2.28 

## ALS Laboratory Group Sample Analysis Summary Report

ALS Canada Ltd L888517 100609.xls Page 2 of 5Sample Name Method Blank Sampling Date ALS Sample ID WG1106888-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Analysis Type Blan k Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100609A S:4 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 ZB5ms #184740 Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 2,3,7,8-TCDD NotFnd <1.2 1.2 U 1 1,2,3,7,8-PeCDD 32:33 <1.4 0.66 J R 0.5 1,2,3,4,7,8-HxCDD 34:46 <1.5 0.65 M J R 0.1 1,2,3,6,7,8-HxCDD 34:50 2.38 0.71 M J 0.1 1,2,3,7,8,9-HxCDD 35:02 <2.6 0.69 M J R 0.1 1,2,3,4,6,7,8-HpCDD 36:47 <3.0 0.70 J R 0.01 OCDD 38:39 <5.0 0.73 M J R 0.001 2,3,7,8-TCDF NotFnd <1.2 1.2 U 0.1 1,2,3,7,8-PeCDF 31:41 <1.6 0.68 J R 0.05 2,3,4,7,8-PeCDF 32:19 1.88 0.69 M J 0.5 1,2,3,4,7,8-HxCDF 34:16 1.49 0.63 J 0.1 1,2,3,6,7,8-HxCDF 34:21 1.01 0.55 J 0.1 2,3,4,6,7,8-HxCDF 34:42 <1.8 0.56 J R 0.1 1,2,3,7,8,9-HxCDF 35:15 <2.3 0.75 J R 0.1 1,2,3,4,6,7,8-HpCDF 36:09 <1.7 0.59 J R 0.01 1,2,3,4,7,8,9-HpCDF 37:09 2.56 0.78 J 0.01 OCDF 38:49 5.51 0.17 J 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:53 59 25-164 13C12-1,2,3,7,8-PeCDD 32:32 96 25-181 13C12-1,2,3,4,7,8-HxCDD 34:46 63 32-141 13C12-1,2,3,6,7,8-HxCDD 34:51 77 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:47 73 23-140 13C12-OCDD 38:39 69 17-157 13C12-2,3,7,8-TCDF 26:33 64 24-169 13C12-1,2,3,7,8-PeCDF 31:41 102 24-185 13C12-2,3,4,7,8-PeCDF 32:19 101 21-178 13C12-1,2,3,4,7,8-HxCDF 34:15 83 26-152 13C12-1,2,3,6,7,8-HxCDF 34:20 91 26-123 13C12-2,3,4,6,7,8-HxCDF 34:41 86 29-147 13C12-1,2,3,7,8,9-HxCDF 35:15 80 28-136 13C12-1,2,3,4,6,7,8-HpCDF 36:08 79 28-143 13C12-1,2,3,4,7,8,9-HpCDF 37:08 84 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:55 58 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <1.2 1.2 Total-PeCDD 0 <0.66 0.66 Total-HxCDD 1 2.38 0.71 Total-HpCDD 0 <0.70 0.70

Total-TCDF 0 <1.2 1.2 Total-PeCDF 2 2.10 0.69 Total-HxCDF 2 2.50 0.75 Total-HpCDF 1 2.56 0.78 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 1.46 Upper Bound PCDD/F TEQ 4.43 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency M Indicates that a peak has been manually integrated. U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. 1 n/a 1 Laborator y Method Blank Anal y sis Re p ort

9-JUN-10 10:54: 5 

# ALS Laboratory Group

n/a 26-May-10 Approved: B. Reime r --e-signature--

9-Jun-10

Flags

ALS Canada Ltd L888517 100609.xls Page 3 of 5Sample Name 1005586-01G (UNDERFLOW DELISTING-05) Sampling Date ALS Sample ID L888517-1 Extraction Date Analysis Method EPA 1613B Sample Size Litres Analysis Type Sample Percent Moisture Sample Matrix Wate r Split Ratio Run Information Run 1 Filename 1-100608B S:11 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units pg/L Instrument - Column HRMS-1 ZB5ms #184740 Ret. Conc. EDL TEF Target Analytes Time pg/L pg/L NATO 2,3,7,8-TCDD NotFnd <1.1 1.1 U 1 1,2,3,7,8-PeCDD NotFnd <0.71 0.71 U 0.5 1,2,3,4,7,8-HxCDD NotFnd <0.52 0.52 U 0.1 1,2,3,6,7,8-HxCDD NotFnd <0.56 0.56 U 0.1 1,2,3,7,8,9-HxCDD NotFnd <0.55 0.55 U 0.1 1,2,3,4,6,7,8-HpCDD 36:44 <0.79 0.61 J R 0.01 OCDD 38:36 7.67 0.62 M J 0.001 2,3,7,8-TCDF NotFnd <1.1 1.1 U 0.1 1,2,3,7,8-PeCDF NotFnd <0.63 0.63 U 0.05 2,3,4,7,8-PeCDF NotFnd <0.62 0.62 U 0.5 1,2,3,4,7,8-HxCDF 34:13 <0.48 0.42 J R 0.1 1,2,3,6,7,8-HxCDF NotFnd <0.39 0.39 U 0.1 2,3,4,6,7,8-HxCDF NotFnd <0.43 0.43 U 0.1 1,2,3,7,8,9-HxCDF NotFnd <0.56 0.56 U 0.1 1,2,3,4,6,7,8-HpCDF NotFnd <0.42 0.42 U 0.01 1,2,3,4,7,8,9-HpCDF NotFnd <0.62 0.62 U 0.01 OCDF 38:44 <1.5 0.59 J R 0.001 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:48 59 25-164 13C12-1,2,3,7,8-PeCDD 32:29 81 25-181 13C12-1,2,3,4,7,8-HxCDD 34:44 66 32-141 13C12-1,2,3,6,7,8-HxCDD 34:48 70 28-130 13C12-1,2,3,4,6,7,8-HpCDD 36:44 63 23-140 13C12-OCDD 38:36 58 17-157 13C12-2,3,7,8-TCDF 26:28 60 24-169 13C12-1,2,3,7,8-PeCDF 31:39 78 24-185 13C12-2,3,4,7,8-PeCDF 32:17 80 21-178 13C12-1,2,3,4,7,8-HxCDF 34:13 93 26-152 13C12-1,2,3,6,7,8-HxCDF 34:18 86 26-123 13C12-2,3,4,6,7,8-HxCDF 34:39 82 29-147 13C12-1,2,3,7,8,9-HxCDF 35:12 74 28-136 13C12-1,2,3,4,6,7,8-HpCDF 36:06 67 28-143 13C12-1,2,3,4,7,8,9-HpCDF 37:06 67 26-138 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:50 60 35-197 Conc EDL Homologue Group Totals # peaks pg/L pg/L Total-TCDD 0 <1.1 1.1 Total-PeCDD 0 <0.71 0.71 Total-HxCDD 0 <0.56 0.56 Total-HpCDD 0 <0.61 0.61

Total-TCDF 0 <1.1 1.1 Total-PeCDF 0 <0.63 0.63 Total-HxCDF 0 <0.56 0.56 Total-HpCDF 0 <0.62 0.62 Toxic Equivalency NATO pg/L Lower Bound PCDD/F TEQ 0.00767 Upper Bound PCDD/F TEQ 2.28 ED L Indicates the Estimated Detection Limit, based on the measured background noise for this target in this sample. TEF Indicates the Toxic Equivalency Factor TEQ Indicates the Toxic Equivalency M Indicates that a peak has been manually integrated. U Indicates that this compound was not detected above the MDL. J indicates that a target analyte was detected below the LQL. R Indicates that the ion abundance ratio for this compound did not meet the acceptance criterion. Flags 1 9-Jun-10 

# ALS Laboratory Group Sam p le Anal y sis Re p ort 18-May-10 26-May-10 Approved:

09-Jun-10 01:04 0.98 B. Reime r n/a --e-signature--

ALS Canada Ltd L888517 100609.xls Page 4 of 5Sample Name LCS Sampling Date ALS Sample ID WG1106888-2 Extraction Date Analysis Method EPA 1613B Sample Size Analysis Type LCS Percent Moisture Sample Matrix QC Split Ratio Run Information Run 1 Filename 1-100608B S:3 Run Date Final Volume 20 u L Dilution Facto r 1 Analysis Units % Rec Instrument - Column HRMS-1 ZB5ms #184740 Ret. Target Analytes Time % Rec Limits 2,3,7,8-TCDD 27:50 90 67-158 1,2,3,7,8-PeCDD 32:30 90 70-142 1,2,3,4,7,8-HxCDD 34:45 106 70-164 1,2,3,6,7,8-HxCDD 34:49 99 76-134 1,2,3,7,8,9-HxCDD 34:59 104 64-162 1,2,3,4,6,7,8-HpCDD 36:44 90 70-140 OCDD 38:36 79 78-144 2,3,7,8-TCDF 26:30 105 75-158 1,2,3,7,8-PeCDF 31:39 111 80-134 2,3,4,7,8-PeCDF 32:18 109 68-160 1,2,3,4,7,8-HxCDF 34:13 116 72-134 1,2,3,6,7,8-HxCDF 34:18 95 84-130 2,3,4,6,7,8-HxCDF 34:40 100 78-130 1,2,3,7,8,9-HxCDF 35:12 102 70-156 1,2,3,4,6,7,8-HpCDF 36:06 93 82-122 1,2,3,4,7,8,9-HpCDF 37:05 90 78-138 OCDF 38:46 79 63-170 Extraction Standards % Rec Limits 13C12-2,3,7,8-TCDD 27:47 69 20-175 13C12-1,2,3,7,8-PeCDD 32:29 79 21-227 13C12-1,2,3,4,7,8-HxCDD 34:44 71 21-193 13C12-1,2,3,6,7,8-HxCDD 34:48 85 25-163 13C12-1,2,3,4,6,7,8-HpCDD 36:43 75 26-166 13C12-OCDD 38:36 67 13-138 13C12-2,3,7,8-TCDF 26:28 70 22-152 13C12-1,2,3,7,8-PeCDF 31:39 78 21-192 13C12-2,3,4,7,8-PeCDF 32:18 77 13-328 13C12-1,2,3,4,7,8-HxCDF 34:13 93 19-202 13C12-1,2,3,6,7,8-HxCDF 34:18 95 21-159 13C12-2,3,4,6,7,8-HxCDF 34:39 90 17-205 13C12-1,2,3,7,8,9-HxCDF 35:12 82 22-176 13C12-1,2,3,4,6,7,8-HpCDF 36:05 78 21-158 13C12-1,2,3,4,7,8,9-HpCDF 37:05 79 20-186 Cleanup Standard % Rec 37Cl4-2,3,7,8-TCDD 27:50 66 31-191 1 B. Reime r

08-Jun-10 19:19 9-Jun-10 

# ALS Laboratory Group Laborator y Control Sam p le Anal y sis Re p ort n/a 26-May-10 Approved: n/a --e-signature-- 1

Flags

ALS Canada Ltd L888517 100609.xls Page 5 of 5

### G:\2010\0102974\15096H Delisting Petition.doc 

# Analytical Instrument Lists Attachment 5 August 12, 2010 Project No. 0102974

Environmental Resources Management Southwest, Inc.

15810 Park Ten Place, Suite 300 Houston, Texas 77084-5140 (281) 600-1000

## www.alsglobal.com 17 

# Major Instrumentation - North America

**Instrument Quantity**  Metals Testing

ICPMS 

## 8 ICPOES 

## 13 CVAFS / CVAAS 

## 7 GFAAS / DFAAS 

## 3 Non-Metallic Inorganics

Auto-Titrators 

## 2 Colourimetric Autoanalyzers 

## 4 Ion Chromatographs 

## 11 Combustion Analyzers 

## 6 Organics Testing

GCMS - SVOC 

## 19 GCMS - VOC 

## 21 GCMS - Air Analysis / IH 

## 4 LC/MS/MS triple quads 

## 1 HPLC-UV 

## 15 GC-FID 

## 28 GC-ECD 

## 27 GC-PID 

## 3 Automated Soxhlet Extractors 

## 6 GPC 

## 6 LC/MS 

## 3 Soxtec - Accelerated Soxhlet 

## 2 GC-NPD 

## 3 GC-FPD 

## 2 TOC 

## 4 GC-FID/ECD 

## 3 GC-NPD/FID 

## 1 GC-PID/FID 

## 1 GC-FID/TCD 

## 1 Radiochemistry Testing

Gamma Spec 

## 13 Alpha Spec 

## 8 Gas Flow Proportional Counter 

## 3 Liquid Scintillation 

## 4 Miscellaneous Testing

TEM (Asbestos testing) 

## 1 

# USA Canada **Instrument Quantity**  Metals Testing

ICPMS 

## 15 ICPOES 

## 13 CVAFS / CVAAS 

## 12 HVAFS / HVAAS 

## 2 GFAAS / DFAAS 

## 2 High Resolution ICPMS 

## 1 Non-Metallic Inorganics

AOX Analyzer 

## 1 Auto-Titrator 

## 9 Colourimetric Autoanalyzer (Discrete) 

## 6 Colourimetric Autoanalyzer (Flow Systems) 

## 30 Ion Chromatograph 

## 13 Combustion Analyzer 

## 11 Automated BOD Analyzer 

## 1 Organics Testing

GCMS - SVOC 

## 30 GCMS - VOC (some with FIDs) 

## 28 GCMS - Air Analysis / IH 

## 8 LC/MS/MS triple quad 

## 8 High Resolution GCMS 

## 6 HPLC-UV/Fluorescence/DAD 

## 4 GC-FID 

## 28 GC-ECD 

## 10 Accelerated Solvent Extractors 

## 5 Autotrace Extraction System 

## 1 RapidTrace Extraction System 

## 1 FT-IR 

## 3 Miscellaneous Testing

Microtox Analyzer 

## 8 Riboprinter 

## 1