Septemb e r 8, 2008

Mr. Mark Gr u ndma n n

Territory Sal e s Man a g e r

– Team Color a do

BASF

7734 Umb e r Co u rt

Arvada, CO 8 0007

Bure a u Verit a s Proj e c t No

. 100 0 8

- 0 08 14 1.00

Subject: Isocy a nate Air Monitor i ng Survey Re p ort

De a r Mr. Gr u ndma n n :

Bure a u V e ritas N o rth A m erica, Inc. ( B ure a u V e rit a s) is pl e ased t o provide t h e attac h ed re p ort for

the ind u strial hygiene a ssessment co n duct e d for m ethylene b i s p henyl diisoc y anate (MDI) a n d

iso p horone d i is o c yanate ( I PDI) at the park i ng g a ra g e located at 13 th Street and Speer Avenue i n

Denv e r, Col o rado. The s u bject a s sessment w a s p e rformed o n Ju l y 23 and 24, 2008.

Bure a u V e ritas ap p r e cia t es t h e as sis t ance a nd s u pport of all o f the indivi du als i nvolved i n th i s

survey. It has been a pleasure to serve BASF on this project. We would we l c o m e the

opp o rtunity to work with you again on future pro j e c ts. Please call a ny one of us at 303.988.2 5 85 if

you have any questi o ns, commen t s, or need a dditio n al informati on

.

Sinc e rely,

Amy E. McGo v ern Ro n ald H. Hil l , MSPH, CIH, CSP

Senior Proj ec t Manag e r Mana g er, Oc cu p ational H e alth and Saf e ty

Denv e r R e gi o nal Office Denv e r R e gi o nal Office

Attachmen t s: Industrial Hygiene Ass e ssment Rep o rt

cc : Don Starke, BASF Team Colorado

# INDUSTRIAL **HYGIENE ASSESSMENT** 

**REPO R**  **T**

Park i ng G a r a ge L o cated at

13 th Street a n d Speer Ave n ue

De n v e r, Col o rado

Prep a red F or:



# BASF

7737 U m ber Co u rt

Arv a da, Co l orado

Bure a u Verit a s Proj e c t No: 100 0 8

- 0 08 14 1.00

Septemb e r 8, 2008

State m e n t o f Confide n tiality:

Plea s e b e advised t h at t h e c o nte n t o f t h e

attac h ed re po rt c on tains p roprietary

inf

o rmation and i s c o nfide n tial. T he

re po rt is i n te n d e d f o r t h e reci p ie n t’s use

and r e view on l y. This do cu ment s h all n o t

be u sed in a n y o t h e r ma n n er wit h o u t t h e

expr e ss written cons e n t of Bur e au

V e r i tas, In c

. Bur e au Veritas No r th A m erica, Inc.

165 South U n ion Boulev a rd

Suite 310

Lakewood, Color a do 8 0 2 2 8

303

- 98 8

- 2 58 5

www. u s .bur e auverit a s .c o mTable of Co n te n ts

Se c tion Page

EXECUTIVE SUMMAR Y

............................................................................................................................. i

1.0 INTRODUC T ION

............................................................................................................................. 1

1.1 PR O CESS DE S CRIPT I O N

.................................................................................................................. 1

2.0 STA ND A RD S AND GU I D ELINES

................................................................................................ 2

3.0 METH O DS A ND M ATER I ALS

...................................................................................................... 3

3.1. A IR M ON IT OR I NG

............................................................................................................................. 3

4.0 RESULTS A ND DISCU S SION

...................................................................................................... 3

4.1. P ERSONAL MO NITORI N G

................................................................................................................. 3

5.0 C O NC L USI O NS & R e co m m endatio n s

...................................................................................... 5

Appendix

A Lab ResultsEXECUTIVE SUMMARY

Mr. M a rk G r u ndma n n

, T e rritory Sal e s M ana g er f o r B ASF Team Color a do, req u ested that B u re a u

Veritas co nd uct an i n d u strial hygie n e survey for m ethylene b i s p henyl diisoc y anate ( M DI) and

iso p horone d i is o c yanate (IPDI) d u ring t he appl i c ati o n of vario u s B ASF pro d uc t s on the top fl o or of

a p a rk i ng g arage l o cat e d at 1 3 th Street and Speer Avenue in Den v er, Colorado. BASF i s the

manuf a c turer of this wat e rproofing se a lant mat e rial, and r e qu e s t ed this surv e y to char a c t e rize

airb o r n e c on c entratio n s o f MDI and IPDI dur i ng t h e mixing appl i c ation of the coati n g ma t erial.

The sco p e of services provid e d by Bureau V e ritas was d escri b ed in our Pr o p o s al No.

1003. 0 8.289 dated July 17, 2008 a n d Ch a nge O r d er No. 1003

. 08.308 d ated August 1, 2 008,

wh i c h i n clud e d an expla n ation of the terms and co n d i tions u n der which the work was p erf o r m ed.

On July 23, 2008, B u re a u Verit a s coll e cted f o ur 8

- h our ti m e

- wei g hted av e ra g e ( T WA) personal

samp l es to d etermi n e w o rker ex p osur e s to MDI and IPDI for three employe e s either a p plyi n g or

mixing the coating produ c t. Two produ c t s were applied during the shift. Conipur 78 (whi c h

conta i ns 30 t o 70 p e rcent MDI) w a s a p plied in the m orni n g. C o n i pur 2 65Z (w h ich conta i ns 10 to

30 perc e nt IPDI) w a s a p plied in the a fternoon. In addition, Bureau Verit a s collect e d two sh o rt

term exposure limit (STEL) samples during mixing a nd a p plicati o n tasks. All of the w o rk w a s

co n d u c ted on the top floor of the park i ng gara g e that is located ou t doors. Ind u strial size fans were

operating at the a p plicati o n site and t h e mixing site duri n g the work a n d the e mploye e s w o rk e d

upw i nd to minimize the i r ex pos u r e s

.

On July 24, 2008, B u reau Veritas coll e cted two 8

- h our tim e

- wei g hted average (TW A ) p e rson a l

samp l es to d etermi n e w o rker exp o s u r e s to MDI f o r two e m ploye e s eith e r a p plying or mixi n g the

c oating produ c t. One produ c t was applied during the s hift. Conipur 275 (whi c h c ontains 30 to 70

percent MDI) w a s appli e d in the m o r n ing a nd in t h e after n oon. In a d dition, Bure a u V e ritas

coll e cted two sh o rt

- t e rm exposure limit (STEL) s a mp l es d u ring mi x ing and a ppl i c ation t a sks.

Personal ex p os u re r e sul t s on July 23 and 24, 20 0 3 were bel o w the Amer i c an Conf e r e nce of

Gover n ment a l Industrial Hygienist ( A CGIH) T h r e s h old Limit Values (TLVs) g uidelin e s of 0.005

parts p e r mil l ion ( p pm) f o r both MDI a nd IPDI. In addition, all STEL and T WA s a mpl e s were

bel o w the O c cupati o nal Safety and Health Admin i stration (O S HA) ceiling l i mit of 0.02 ppm for

MDI. OSHA do e s not have an establ is hed 8

- ho u r TWA Perm i ss i ble Expos u re Limit (PEL) for MDI

or IPDI. In addition, O S HA do e s not have an es t ablished sh or t

- term exp o sure limit (S T EL) or

ceiling concentrations for IPDI.

With r e gard to the sampl in g results, Bureau Verit a s reco m me n ds t he follow i ng:

1. Feas i ble e ng ineer i ng con t rols, such a s the fans o r other venti l ation, and work p r a c tice

controls, s u ch as e mploy e es worki n g u pwi n d of the airflow, sh o u l d be u s ed when p re p ari n g

and applyi n g this pr o d u c t to red u ce e m ployee exp o sur e s to levels at or below the appl i c ab l e

exposure lim i ts.

2. If engin e eri n g a n d work pr a c tice con t rols a re not f eas i ble or are not effective for r e d u ci n g

work e r exp o sures to lev e ls at or bel o w the appl ic able OSHA exposure lim i ts, resp i rat o ry

prot e c tion m u st be w o rn.

3. Determine p e rs o nal exp o sur e s f o r u s e of this m ater i al in a re a s t h at are ind o ors o r ot h erwise

enc l osed, it i s recomm en ded t h at add i tional a i r m o nitoring be cond u cted si n c e t h e surv e y

results rep o rted here are no t represent a tive of indoor or e n cl o s ed conditio n s.

i

### 1 1.0 INTRODUC T ION

Mr. Mark Grundmann

, T e rritory Sales Manager f or BASF

– Team Colorado, requested that

Bure a u V e ritas c o nd u ct a n in d us t rial hy giene s u rv e y for m ethylene b i s p henyl diis o c ya n ate (MD I )

and isop h or o ne diisocy a n a te (IPDI) d u r i ng the mix i ng and appl i c at i on of vario u s Con i pur Coat i ngs

on the top fl o or of a p a rki n g g a ra g e l o c a ted at 1 3 th Street a n d S p e e r Aven u e in Denver, Col o r a do.

BASF is the manufacturer of the coa t ing materia l

, and reques t ed this sur v ey to charac t erize

airb o r n e c o ncentratio n s of i s o c yanat e s d uring t h e mixing and a ppl ic ation of the coating mat e r i al.

BASF may use the resul t s of this survey to advise product users on p r oper use and handl i ng of

this mat e rial. The sc o pe o f services pr ov ided by Bureau V e ritas w a s d e scri be d in o u r Pr op osal

No. 10 0 3.08

. 289 dat e d Ju l y 17, 2008 a nd C h an g e O r d e r No. 1 00 3.08.308 d ated Aug u st 1, 2008,

wh i c h i n clud e d an expla n ation of the terms and co n d i tions u n der which the work was p erf o r m ed.

Ms. Amy McGovern, Sen i or Proj e c t M a nag e r p e rformed the s u b j ect ass e ss m ent on July 2 3 and

24, 2008.

The air m o nitoring s u rvey co n s i s ted of the follow i ng:

3⁄4 Coll e cted a nd analyz e d ( u sing OSHA M e thod 47) six (6) p e rsonal t i me

- wei g hted avera g e

(TW A ) air s a mples o n e m ploye e s appl y ing c o ating to a park i ng g a rage for M DI and IPDI.

3⁄4 Coll e cted a nd analyz e d ( u sing OSHA M e thod 47) f o u r (4) p erso n al short

- t e rm ex p os u re limit

(STEL) a i r s a mples o n e m ploye e s appl y ing c o ating to a park i ng g a rage for M DI and IPDI.

3⁄4 Prep a red a nd submitted fi e ld bla n ks for quality contr o l purp o s e s for MDI and IPDI.

3⁄4 Prep a red a written re p ort d ocu m enting B ure a u Verit a s’ evaluation.

Appendix A, Lab R e sul t s su p plem e nt the r e sults of the indus t rial hygiene a s s e ssment disc u s sed

in this report.

1.1 PROCESS DESCRIPTION

Dur i ng the m onitori n g p e r i od on July 23, 2008 Con i pur D e ck C o ating Prim e r 78 w a s mix e d and

appli e d from 0900

– 1 2 00 and Con i pur 265Z Coati n g w a s mixed a nd a p plied fr o m 1300

– 1 6 00 to

the top floor of the parki n g gar a ge l o cated 13 th Street and Sp e er Avenue in Denver, Co l ora d o.

This fl o or w a s l o cated ou t doors. O n J u ly 24, 2008, Con i pur 275 w a s mixed a n d appl i ed to t he top

floor of the above referen c ed par k ing garage during both the morning and a f ternoon shift. The

tasks involv e d in this op e ration inc l ud e d the followi n g:

1) Pour e d 5 gal l ons of mat e r i al from the or i ginal contai n er into a 5

- ga l lon b u cket.

2) Mixed the pr o duct u s ing a power e d mixer attachment on a c o rded drill.

3) Pour e d the chemical over the parking p avement dir e ctly from the 5

- gal l on b u cket.

### 2 4) After sea l ant material w a s poured o nto the pave m en t

, a sq u ee g ee tool w a s us ed to evenly

apply the s ea lant.

5) Spre a d out the chem i c al e v en furth e r us i ng a roll e r to o l.

6) Applied sand to coat the surf a c e us i ng a blower t o ol, referred t o as “seedi n g.” This w a s

perf o rmed du ring the afternoon samp le s on July 24, 2008, only.

This seq u e n ce of tasks w a s re p eated un til the pre

- m e as u red p arki n g area w a s covered.

The work e rs co n d u c ting t he a b ove tasks w o re 3 M full

- face r e s p irators with 3 M 6001 org a nic

vapor cartr i d g es, heavy w o rk glov e s , h a rdhats, a n d work b oots co n taining anti

- sl i p clea t s.

Although the total time re q uired to c o n d uct this w o rk i ncl u ding p r ep aration ti m e a nd c l ea n

- up t i me

w a s m ore t h an e i ght h o u rs, t h e e mpl oy ees w e re ex pos e d to t h e var i o u s s e alant m ateri a ls f o r

approximate l y seven to eight hours.

On July 23, 2008, out d o o r temp e rat u re ran g ed be t ween a p proximately 75° F in the morn i ng to

98 ° F in the afterno o n. Conditio n s were dry in the morn i ng. In the afterno on

, slight dr i zz l e fell

from a p prox i mately 1500 until 16 0 0. There w a s a n approximate wind s p eed b etwe e n 10 a nd 15

mph throughout the work shift. On July 24, 2008, outdoor temperatures ranged from 75° F i n the

morn i ng to 9 8° F in the afterno o n. C o nditio n s w e re dry throu g h o ut the day and the wind s p eed

was between 10 and 15 mph throughout the work shift.

2.0 STA ND A RD S AND GU I D ELINES

Employers using BASF Conipur products are subject to the requ i rements of the Occupational

Safety and Health Admin i stration (O S H A). OSHA h a s not set 8

- h o ur TWA P e r m iss i ble Exposure

Limits (PEL s ) for MDI or IP D I. A Short

- Term Exposure Limit (STE L ), expr e s sed as a ceiling

co n c e ntration has b e en set for MDI, but not IP D I. T h e STEL is a 1 5

- mi n ute TWA expos u re,

wh i c h should not be exc ee ded at any time dur i ng the workday, even if the 8

- h o ur TWA i s be l ow

the TLV

- T W A

. A ceiling c o nc e ntration i s an e x posure limit that should not be e x ce e ded at a n y

time during the work shift. The Amer i c an Conference of Governmental Industr i al Hygien i sts

(ACG I H) h as set a r e co mm end e d 8

- h o u r TWA Thr e s h old Limit Val u es ( T LVs) for both MDI and

IPDI.

ACGIH

- TL V s are not le g al l y binding r eg ulatio n s; rat h er, they are c onse n s u s st a ndards. T a ble 1

bel o w pr e s en ts the OSHA and ACG I H ex pos u re limits.

### 3 Table 1

OSHA and A CGIH Ex p o s ure Li m its

Subst a nce OSHA Li m it A C GIH TLV

8

- ho u r TWA

Methylene b i sp h enyl diis o c yanate (MD I ) 0.02 ppm (C) 0.005 ppm

Isop h or o ne d i is o c yanate ( I PDI) NE 0.005 ppm

Notes for T able 1

.

OSHA Occupational Safe t y and

Health Administration

ACGIH American Confe r ence of

Governm e ntal I n dustrial

H y gienists C Ceiling Limit (not to be

exceeded at a n y time during

the w ork shift)

ppm Parts per million parts of air ( b y volume)

TLV Threshold Limit Value NE Not Established

T W A Tim e

- Wei g hted Av er age

(8

- h our basi s )

3.0 METH O DS A ND M ATER I ALS

3.1. AIR M O NIT O RING

Bure a u Verit a s used p o rta b le battery

- po wered s a mpl i ng pum p s to coll e ct pers o nal sa m pl e s for

MDI and IPD I

. Each samp l e w a s col l ec t ed by passi n g cali b rated f l ow rat e s of a i r thro u gh a

sp e c ified m e dia as d eter m ined by the O c cupational Safety and H e alth Administration (O S HA)

method 42/ 47

. Each samp l ing pump fl o w rate was d etermi n ed u s i ng a Bios Dr y Ca l ® DC

- Lite

cali b rat o r be f ore a n d after the monitor in g s e ss i o n s. These me a s u rem e nts a n d the sa m pling t ime

were used to ca l c ulate the final volume of air that w a s col l ect e d for each s a mp l e.

OSHA Samp l ing and Anal y tical Method 42/47 for isocyanates w a s followed. Air samp l es

coll e cted d ur i ng this st u dy were anal y z e d by the Bur e au Verit a s N o vi, Michigan L aboratory, w h ich

is accredited by the American Industrial Hygie n e Associati o n (AIHA). To review the sco p e of

a c cr e ditation, v isit the ac cr editation o r g a nizati o n w e b s ite at www.a i ha.org.

4.0 RESULTS A ND DISCU S SION

4.1. PERSONAL MONITORING

The p ers o nal air sa m pling results f o r t h e is o c ya n ates air m onitor i ng c o nd u cted b y Bure a u Ver i tas

on July 23 an d 24, 2008 ar e pr e s ent e d in Table 2.

### 4 Table 2. Personal Air M o nitoring R es ults for Iso c y anates

Empl o y ee Name

Job D e scri p tion Sample Nu m ber Sample Duration

( m inut e s) BASF Pro du ct and

Chemical A n al y z ed Measu r ed Exposu r e

Resu l t (pp m )

July 23, 2008

J o se Lu i s , Mixer TWA

- 1 191 Con i pur 7 8

MDI 0.0045

Miria n o Biar t olo

, Applicati o n TWA

- 2 178 Con i pur 7 8

MDI <0.0 0 010

O s c a r H e rn a nd e z

, Applicati o n TWA

- 3 173 Con i pur 2 65Z

IPDI <0.0 0 030

J o se Lu i s , Mixer TWA

- 4 180 Con i pur 2 65Z

IPDI 0.000 3 1

J o se Lu i s

, Mi x er STEL

- 1 15 Con i pur 7 8

MDI <0.0 0 13

Miria n o Biar t olo

, Mixing, application

and p o uri n g

chem i c al STEL

- 2 15 Con i pur 7 8

MDI <0.0 0 13

July 24, 2008

J o se Lu i s , Mixer TWA

- 1A 237 Con i pur 2 75

MDI <0.0 0 00 8 3

O s c a r H e rn a nd e z

, Applicati o n TWA

- 2A 238 Con i pur 2 75

MDI <0.0 0 00 8 0

J o se Lu i s

, Mi x er STEL

- 3 15 Con i pur 2 75

MDI <0.0 0 12

Dave Hot c h k i ss

, Applicati o n w i th

sq u ee g ee STEL

- 4 15 Con i pur 2 75

MDI <0.0 0 12

072 3 08

- B Field bla n k

--- MDI <0.2 μg

072 4 08

- B Field bla n k

--- IPDI <0.5 μg

MDI

= Met h y l ene bisphe n y l diisocyanate

IPDI

= Isophoro n e diisoc y anate

μg = micrograms

ppm = parts per million

### 5 All personal ex pos u r e s to MDI and IPDI over t he duration of the sealant mixing and appl i c at i on

tasks were b elow the a ppl i c ab l e ACGIH guideli n e of 0 .005 ppm a s an 8

- h o u r TWA for both MDI

and IPDI. OSHA has n ot establ i s h ed a ny e x pos u re l imits for IPDI; howev e r, OSHA has

establ i s h ed a ceiling e xp o s ure limit of 0.02 ppm for M DI. If the tasks monit o red d uring th i s s urv ey

had b e en co n duct e d over the duration of an 8

- hour w o rk d ay, 8

- h o ur TWA expos u res wou l d be

co n s i s tent wi t h the measured exposures presented in the table ab o ve.

The exp o s u res for the f o ur s h ort

- t e rm sampl e s col l ected ov e r the co u rse of the two w o rk shifts

were bel o w the OSHA cei l ing limit of 0.02 ppm for M DI.

All of the pers o nal a i r s a mples w e re coll e cted o utdoors in the open e nviro n ment, und e r wi n d

co n ditio n s of approximate l y 10

- 1 5 m p h. It is likely that air co n c e ntratio n s of M DI and I P DI wou l d

be higher if these ope r ations were cond u cted in an enclosed environ m ent, or under still wind

co n ditio n s , s u ch a s in ar ea s ins i de of a parking lot, e s p e cially in sub

- g r o und le v els.

Engine e ring contro l s in pl a c e d u ring the monitor i ng i n clu d ed two i n dustr i al s i ze stationary fans

operating at the appl i c ati o n site. One ind u strial s i ze station a ry fan was p r e s ent and o p erati n g at

the mixing station. The s t ationary fa n s cr e a t ed a cr o s s

- b re e ze an d employe e s were o b s e rv e d

worki n g u p w i nd of the fans.

5.0 C O NC L USI O NS & R E C O MMEN D AT I ONS

Personal ex p os u re results on July 2 3 and 24, 2003 were bel o w the ACGIH T LV guidel i n e s of

0.005 p ar t s p er milli o n (p p m) for both MDI a n d IPDI. In additio n

, all STEL a n d TWA s a m p l e s

were be l ow t he OSHA cei l ing limit of 0.02 ppm f o r M DI. OSHA d oes n ot have an est a blis h ed 8

-

hour T WA for MDI or IPDI. In addition, OSHA does not have an establ i s he d STEL or ceiling

c on c entrations for IPDI.

With r e gard to the sampl in g results, Bureau Verit a s reco m me n ds t he follow i ng:

1. Feas i ble e ng ineer i ng con t rols, such a s the fans o r other venti l ation, and work p r a c tice

controls, s u ch as e mploy e es worki n g u pwi n d of the airflow, sh o u l d be u s ed when p re p ari n g

and applyi n g this pr o d u c t to red u ce e m ployee exp o sur e s to levels at or below the appl i c ab l e

exposure lim i ts.

2. If engin e eri n g a n d work pr a c tice con t rols a re not f eas i ble or are not effective for r e d u ci n g

work e r exp o sures to lev e ls at or bel o w the appl ic able OSHA exposure lim i ts, resp i rat o ry

prot e c tion m u st be w o rn.

### 6 3. Determine p e rs o nal exp o sur e s f o r u s e of this m ater i al in a re a s t h at are ind o ors o r ot h erwise

enc l osed, it i s recomm en ded t h at add i tional a i r m o nitoring be cond u cted si n c e t h e surv e y

results rep o rted here are no t represent a tive of indoor or e n cl o s ed conditio n s.

Re p ort prep a red by: Re p ort revi e wed by:

Amy E. M c Govern Li s a S. Barne s

, CIH, PE

Senior Proj ec t Manag e r Senior Proj ec t Manag e r

Denv e r R e gi o nal Office Denv e r R e gi o nal Office

### 7 APPENDIX A

A N AL YTI C A L L A BOR A TO RY R EPORT

# I August 01, 2008

Amy McGovern

BUREAU VERITAS

- DENVER

165 South Union Boulevard

Suite 310

Lakewood, CO 80228

-

Bureau Veritas Work Order No. 08071185

Reference: 10008

- 008141.00/

Dear Amy McGovern:

Bureau Veritas North America, Inc. received 12 samples on 7/29/2008 for the analyses

presented in the following report.

Enclosed is a copy of the Chain

- of

- Custody record, acknowledging receipt of these

samples. Please note that any unused portion of the samples will be discarded 30 days

after the date of this report, unless you have requested otherwise.

This material is confidential and is intended solely for the person to whom it is

addressed. If this is received in error, please contact the number provided below.

We appreciate the opportunity to assist you. If you have any questions concerning this

report, please contact a Client Services Representative at (800) 806

- 5887.

Sincerely,

Karen Coonan

Client Services Representative

cc:

Bureau Veritas North America,

22345 Roerhel Drive

Novi, MI 48375 Main: (248) 344.1770

Fax: (248) 344.2655

www.us.bureauveritas.com1 I 6 

## CASE NARRATIVE Date: 01

- Aug

- 08

Client: BUREAU VERITAS

- DENVER

Project: 10008

- 008141.00/

Work Order No 08071185



### Unless otherwise noted below, all quality control results associated with this sample set were within

acceptable limits and/or do not adversely affect the reported results.

Unless otherwise indicated below, the industrial hygiene results have not been blank corrected.

# ANALYTICAL RESULTS Date: 01

- Aug

- 08

Client:

Project: BUREAU VERITAS

- DENVER

10008

- 008141.00/ Work Order No: 08071185

2/6 )

) Sample Identification: TWA

- 1

Lab Number: OOlA Date Sampled: 7/23/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): 198.64

Analyte (/

- lg) Analytical Results Reporting

Limit

(ppm) ( /

- lg ) Test

Method Date

Analyzed

Methylene diphenyl diisocyanate

(MDI) 9.1 0

. . 046 0.0045 0..2 OSHA 42 I 47 0713012008

Sample Identification: TWA

- 2

Lab Number: 002A Date Sampled: 7/23/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): 188.68

Analytical Results Reporting

Limit Test Date

Analyte (/

- lg) ( mgl m 3 (ppm) (/

- lg) Method Analyzed

Methylene diphenyl diisocyanate

(MDI) <0.2 < 0

.. 0011 <0 00010 0.2 OSHA 42 I 47 0713012008

Sample Identification: STEL

- l

Lab Number: 003A Date Sampled: 7/23/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): 15.38

Analytical Results Reporting

Limit Test Date

Analyte -----------

(/

- lg) ( mg/ m 3 (ppm) (/

- lg) Method Analyzed

Methylene diphenyl diisocyanate

(MDI) <0.2 <0 013 <0.0013 0.2 OSHA 42 I 47 07/3012008

# ANALYTICAL RESULTS Date: 01

- Aug

- 08

Client:

Project: BUREAU VERITAS

- DENVER

10008

- 008141.00/ Work Order No: 08071185

Sample Identification:

Lab Number:

Sample Type STEL

- 2

004A

GFPP Filter Date Sampled: 7/23/2008

Date Received: 7/29/2008

316 Analyst AED Air Volume (L): 15.38

Analyte (!lg) Analytical Results Reporting

Limit

( ppm ) ( !lg ) Test

Method Date

Analyzed

Methylene diphenyl diisocyanate

(MDI) <0.2 < 0

.. 013 <0.0013 0

. 2 OSHA 42 I 47 0713012008

Sample Identification: STEL

- 3

Lab Number: 005A Date Sampled: 7/24/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): 16.13

Analytical Results Reporting

Limit Test Date

Analyte (!lg) ( mgl m 3 ) ( ppm ) (!lg) Method Analyzed

Methylene diphenyl diisocyanate

(MDI) <0..2 < 0

.. 012 < 0

.. 0012 0..2 OSHA 42 I 47 0713012008

Sample Identification: STEL

- 4

Lab Number: 006A Date Sampled: 7/24/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): 16.13

Analytical Results Reporting

Limit Test Date

Analyte (!lg) ( ppm ) (!lg) Method Analyzed

Methylene diphenyl diisocyanate

(MDI) < 0

. 2 < 0

.. 012 <0.0012 0

. .2 OSHA 42 I 47 0713012008

# ANALYTICAL RESULTS Date: 01

- Aug

- 08

Client:

Project: BUREAU VERITAS

- DENVER

10008

- 008141.00/ Work Order No: 08071185

Sample Identification:

Lab Number:

Sample Type T W A

- 3

007A

GFPP Filter Date Sampled: 7/23/2008

Date Received: 7/29/2008

4/6 )

) Analyst AED

Analyte ( J.tg ) Analytical Results Reporting

Limit

( mg/ m 3 ) (ppm) ( J.tg ) Air Volume (L): 184.25

Test Date

Method Analyzed

Isophorone diisocyanate (IPDI) <0.5 < 0

.. 0027 < 0

. . 00030 0

.. 5 OSHA 42 I 47 0713012008

Sample Identification: T W A

- 4

Lab Number: 008A Date Sampled: 7/23/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): 190.62

Analytical Results Reporting

Limit Test Date

Analyte (Jlg) ( mgl m 3 (ppm) (Jlg) Method Analyzed

Isophorone diisocyanate (IPDJ) 0

. 54 0

.. 0028 0.00031 0

. 5 OSHA 42 I 47 07130/2008

Sample Identification: TWA

- 1A

Lab Number: 009A Date Sampled: 7/24/2008

Sample Type

Analyst GFPP Filter

AED

Analyte Analytical Results Reporting

Limit

(J.lg) ( mg/ m 3 (ppm) ( Jlg ) Date Received: 7/29/2008

Air Volume (L): 235.29

Test Date

Method Analyzed

Methylene diphenyl diisocyanate

(MDI) < 0

. .2 < 0

.. 00085 < 0

. . 000083 0.2 OSHA 42 I 47 07130/2008

# ANALYTICAL RESULTS Date: 01

- Aug

- 08

Client:

Project: BUREAU VERITAS

- DENVER

10008

- 008141.00/ Work Order No: 08071185

Sample Identification: TW A

- 2A

Lab Number:

Sample Type 010A

GFPP Filter Date Sampled: 7/24/2008

Date Received: 7/29/2008

516 ) Analyst AED

Analyte Analytical Results Reporting

Limit

( mgl m 3 ) ( ppm ) ( f.lg ) Air Volume (L): 242.76

Test Date

Method Analyzed

Methylene diphenyl diisocyanate

(MDI) <0..2 <0. 00082 <0 000080 0..2 OSHA 42 I 47 0713012008

Sample Identification: 072308

- B BLANK

Lab Number: 011A Date Sampled: 7/23/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): NA

Analytical Results Reporting

Limit Test Date

Analyte (f. ! g) (mglm 3 (ppm) (f. ! g) Method Analyzed

Methylene diphenyl diisocyanate

(MDI) <0..2 0.2 OSHA 42 I 47 0713012008

Sample Identification: 072408

- B BLANK

Lab Number: 012A Date Sampled: 7/24/2008

Sample Type

Analyst GFPP Filter

AED Date Received: 7/29/2008

Air Volume (L): NA

Analytical Results Reporting

Limit Test Date

Analyte ( f.lg ) ( mgl m 3 ) (ppm) ( f.lg ) Method Analyzed

Isophorone diisocyanate (IPDI) <0.5 0

.. 5 OSHA 42 I 47 0713012008

# ANALYTICAL RESULTS Date: 01

- Aug

- 08

Client:

Project: BUREAU VERITAS

- DENVER

10008

- 008141.00/ Work Order No: 08071185

General Notes:

<: Less than the indicated reporting limit ( RL )

616 -- : Information not available or not applicable.

Back sections (if applicable) were checked and showed no significant breakthrough unless otherwise noted

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- 9919 Distribution:

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