Figures 

RG16

KBFI

3-390

3-380

3-369

3-350

0 t 500 1,000 2,000 Fee

Boeing

 Plant 2

Sl ip 4

Lower Duwamish Waterway

I-5

North Boeing Field

Georgetown

Steam Plant

East Marginal Way S.

King County

International

Airport

Legend

NBF-GTSP Site

Rain gauge location

I A Figure 1. Rain Gauge Locations Near North Boeing FieldI A Figure 1. Overview of NBF-GTSP Location

0 t 500 1,000 2,000 Fee
RG16

3-390

3-380

3-369

3-350

0 t 300 600 1,200 Fee

North

Boeing

Field

Georgetown

Steam Plant

East Marginal Way S.

King County

International

Airport

Slip 4

Boeing

 Plant 2

Legend

North Lateral

North-Central Lateral

South-Central Lateral

South Lateral

Drainage from Building 3-380 Area

Drainage from parking lot area

Other lines

NBF-GTSP Site

Rain gauge location

I A Figure 2. NBF-GTSP Site I A Figure 2. NBF Storm Drain Lines

0 t 300 600 1,200 Fee
3-355

3-350

3-352

3-365

3-380

3-390

3-306

7-27-1

Lift Station

3-310

3-323 3-323

3-334

GTSP

3-317

3-323

3-326

3-302

3-333

3-303

3-322

3-329

3-368

3-626

3-369

3-335

3-353

3-313

3-324

3-315

3-356

3-341

3-343

3-357

3-354

MH138

CB173

MH108

MH434

MH356

MH369

MH226

MH152

CB165 MH178

CB133

CB423

LS431

North Lateral

North-Central Lateral

South-Central Lateral

South Lateral

Drainage from Building 3-380 Area

Drainage from parking lot area

Other lines

Storm drain structure

0 200 400 100 Feet

E. Marginal Way S.

Ellis Ave. S.

Slip 4

I Figure 3. Expanded Stormwater A Sampling Locations

0 200 400 100 Feet
D435BS

D435BN

D434AS

D434AN

D436A

D283A

3-390

3-369

Lift St

3-374

3-397

3-370

3-800

3-801

0 200 400 100 Feet

East Marginal Way S.

A Figure 4. Parking Lot Surface Solids Sampling Locations 0 200 400 100 Feet
A Figure 5. Runoff Volume Versus Precipitation
Figure 6. Mercury Concentrations in A Filtered Suspended Solids
Figure 7. Total PCB Concentrations in A Filtered Suspended Solids
Figure 8. Total HPAH Concentrations in A Filtered Suspended Solids
Figure 9. TSS Concentrations in Whole Water A and Filtered Suspended Solids
Figure 10. Total PCB Concentrations in Whole Water A and Filtered Suspended Solids
 

Tables 

Table 1

Samples Collected and Issues Encountered During Stormwater Sampling Events

Storm Drain Line Location ID

Sample 

Event 6

2/11/2010

Sample Event 7

3/29/2010

Sample Event 

8

4/27/2010

Modifications 

Performed 5/7/10

Sample Event 

9

5/20/2010

Modifications 

Performed 5/25/10

Sample Event 

9b

5/28/2010

S

MH 226 -- -- Solids sample Solids sample -- -- S

CB 423 -- -- Solids sample 

collected, insufficient volume

Installed sandbag to back water up and allow for sample collection, removed brick from under pump

Solids sample -- Solids sample S

South Lateral SD Line MH 356 -- -- Solids sample Solids sample -- -- S

South Central Lateral SD 

Line

MH 369 -- -- Solids sample Sensor moved 

from 1.52 meter (5 feet) pipe to 0.3 meter (12 inch) pipe

Solids sample -- -- S

Lift Station

LS 431 Solids and 

whole water sample 

Solids and whole water sample 

Solids and whole water sample 

-- Solids and 

whole water sample 

-- Solids sample S

ws

Parking Lot Drainage SD 

Line

MH 434 -- -- Solids Sample, 

may not be representative of parking lot runoff

-- Installed weir to 

back up water and allow for sample collection, discharge water from sample unit 

being recirculated

Solids Sample, may not be representative of parking lot runoff

Smreoru

North Central Lateral SD 

Line

being recirculated

Page 1 of 2
Table 1

Samples Collected and Issues Encountered During Stormwater Sampling Events

Storm Drain Line Location ID

Sample 

Event 6

2/11/2010

Sample Event 7

3/29/2010

Sample Event 

8

4/27/2010

Modifications 

Performed 5/7/10

Sample Event 

9

5/20/2010

Modifications 

Performed 5/25/10

Sample Event 

9b

5/28/2010

S

MH 108 Solids and 

whole water sample 

Solids and whole water sample 

Solids and whole water sample 

-- Solids and 

whole water sample 

-- Solids and 

whole water sample 

MH 133D -- -- -- Installed sandbag 

to back up water and allow for sample collection

Solids sample -- -- S

MH 138 -- -- -- Manufactured 

temporary sandbag to be installed during each sample event and back water up and allow for sample collection

Solids sample -- -- S

MH 152 -- -- Solids sample Solids sample -- -- S

CB 165 -- -- Solids sample Removed 

discharge pipe, water from sample unit being recirculated 

Solids sample -- -- S

North SD Line

CB 173 -- -- Solids sample Solids sample -- -- S

MH 178 -- -- Solids sample Installed sandbag 

to back up water and allow for sample collection

Solids sample Installed additional 

sandbag to back water up and allow for sample collection

-- S

W - Whole WaterS - SolidsSD - Storm Drain Line

Page 2 of 2
Table 2

Samples Collected and Issues Encountered During Base Flow Sampling Events

Storm Drain Line Location ID Base Flow Sample Event 1

2/23/2010

Base Flow Sample Event 1b

3/20/2010

Base Flow Sample Event 2

6/30/2010

Total Base Flow 

Samples per Location 

by Media

Lift Station

LS 431 Water sample, no solids 

sample collected due to 

sampling error

Solids sample, dioxin sample 

analysis failed

Solids and whole water 

sample 

S - 2

W -2

MH 108 Solids and whole water 

sample 

-- Solids and whole water 

sample 

S - 2

W - 2

CB 173 -- -- Solids sample - may 

represent retained 

stormwater in addition to 

base flow

S -1 North SD Line

Page 1 of 1
Table 3

Chemical and Physical Analysis of Filtered Solids Samples

SampleID Date 

Sampled

Grain 

Size PAH PCB 

Aroclors

Metals + 

Mercury

Dioxin/ Furan 

Congeners

Event 6 MH108A-021110-S 2/11/2010 X X X

MH108B-021110-S 2/11/2010 X

LS431A-021110-S 2/11/2010 X X X

LS431B-021110-S 2/11/2010 X

Event 7 MH108A-032910-S 3/29/2010 X X X

MH108B-032910-S 3/29/2010 X

LS431A-032910-S 3/29/2010 X X X

LS431B-032910-S 3/29/2010 X

Event 8 MH108A-042710-S 4/27/2010 X X X

MH108B-042710-S 4/27/2010 X

LS431A-042710-S 4/27/2010 X X X

LS431B-042710-S 4/27/2010 X

MH434A-042710-S 4/27/2010 X X

MH434B-042710-S 4/27/2010 X

MH356A-042710-S 4/27/2010 X X

MH356B-042710-S 4/27/2010 X

MH369A-042710-S 4/27/2010 X X

MH369B-042710-S 4/27/2010 X

MH226A-042710-S 4/27/2010 X X

MH226B-042710-S 4/27/2010 X

MH152A-042710-S 4/27/2010 X X X

MH152B-042710-S 4/27/2010 X

CB165A-042710-S 4/27/2010 X X X

CB165B-042710-S 4/27/2010 X

MH178A-042710-S 4/27/2010 X X X

MH178B-042710-S 4/27/2010 X

CB173A-042710-S 4/27/2010 X X X

CB173B-042710-S 4/27/2010 X

Event 9 MH108A-052010-S 5/20/2010 X X X

MH108B-052010-S 5/20/2010 X

LS431A-052010-S 5/20/2010 X X X

LS431B-052010-S 5/20/2010 X

MH356A-052010-S 5/20/2010 X X

MH356B-052010-S 5/20/2010 X

MH369A-052010-S 5/20/2010 X X

MH369B-052010-S 5/20/2010 X

MH226A-052010-S 5/20/2010 X X

MH226B-052010-S 5/20/2010 X

CB423A-052010-S 5/20/2010 X X X

CB423B-052010-S 5/20/2010 X1

MH152A-052010-S 5/20/2010 X X X

MH152B-052010-S 5/20/2010 X

CB165A-052010-S 5/20/2010 X X

CB165B-052010-S 5/20/2010 X

MH178A-052010-S 5/20/2010 X X X

MH178B-052010-S 5/20/2010 X

CB173A-052010-S 5/20/2010 X X

CB173B-052010-S 5/20/2010 X

MH133A-052010-S 5/20/2010 X X

MH133B-052010-S 5/20/2010 X

MH138A-052010-S 5/20/2010 X X

MH138B-052010-S 5/20/2010 X

Page 1 of 2
Table 3

Chemical and Physical Analysis of Filtered Solids Samples

SampleID Date 

Sampled

Grain 

Size PAH PCB 

Aroclors

Metals + 

Mercury

Dioxin/ Furan 

Congeners

Event 9b LS431A-052810-S 5/28/2010 X X

MH434A-052810-S 5/28/2010 X X X

MH434B-052810-S 5/28/2010 X

MH423A-052810-S 5/28/2010 X X

MH423B-052810-S 5/28/2010 X1

Event 10 MH108A-060210-S 6/2/2010 X X

MH108B-060210-S 6/2/2010 X

LS431A-060210-S 6/2/2010 X X

LS431B-060210-S 6/2/2010 X

MH434A-060210-S 6/2/2010 X X X

MH434B-060210-S 6/2/2010 X

MH356A-060210-S 6/2/2010 X X

MH356B-060210-S 6/2/2010 X

MH369A-060210-S 6/2/2010 X X

MH369B-060210-S 6/2/2010 X

MH226A-060210-S 6/2/2010 X X

MH226B-060210-S 6/2/2010 X

MH423A-060210-S 6/2/2010 X X

MH423B-060210-S 6/2/2010 X

MH152A-060210-S 6/2/2010 X X

MH152B-060210-S 6/2/2010 X

CB165A-060210-S 6/2/2010 X X

CB165B-060210-S 6/2/2010 X

MH178A-060210-S 6/2/2010 X X X

MH178B-060210-S 6/2/2010 X

CB173A-060210-S 6/2/2010 X X

CB173B-060210-S 6/2/2010 X

MH133A-060210-S 6/2/2010 X X

MH133B-060210-S 6/2/2010 X

MH138A-060210-S 6/2/2010 X X

MH138B-060210-S 6/2/2010 X

Base Flow 1 MH108A-022310-S 2/23/2010 X X X

MH108B-022310-S 2/23/2010 X

Base Flow 1b LS431A-032010-S 3/20/2010 X X X

Base Flow 2 MH108A-063010-S 6/30/2010 X X X X2

LS431A-063010-S 6/30/2010 X X X X2

CB173A-063010-S 6/30/2010 X X X X2

X1 - extracts from two samples were combined

X2 - results pending

Page 2 of 2
Table 4

Summary of Results for Filtered Suspended Solids Samples at MH108

Location ID MH108 MH108 MH108 MH108 MH108 MHFilter Filter A Filter B Filter A Filter B Filter A FilteSampling Event Event 6 Event 6 Event 7 Event 7 Event 8 Eve

Collection Date Method LAET 2LAET 2/11/2010 2/11/2010 3/29/2010 3/29/2010 4/27/2010 4/27/

Estimated Total Solids (g/filter DW)1 11.9 NA 47.5 NA 9.33 

Total Solids extracted for PCBs from (g/filter DW)2 10.95 NA 43.04 NA 8.78 

Volume of water through filter (liters) 2494 2211 2592 5122 22232 1Calculated TSS (mg/L) 4.8 NA 18.3 NA 0.4 Total Stormwater Flow (L)8 498700 498700 2541000 2541000 1168000 116

Grain Size (%)Gravel ASTM_D422 9.2 NA 0 NA 3.7 Very Coarse Sand ASTM_D422 6.3 NA 0 NA 6.3 Coarse Sand ASTM_D422 2.9 NA 0 NA 6 Medium Sand ASTM_D422 4.6 NA 0 NA 6.7 Fine Sand ASTM_D422 7.1 NA 0.1 NA 6.5 Very Fine Sand ASTM_D422 4.5 NA 0 NA 4.2 Coarse Silt ASTM_D422 NA NA 9 NA 0.1 Medium Silt ASTM_D422 NA NA 21.3 NA 19.5 Fine Silt ASTM_D422 NA NA 17 NA 12.5 Very Fine Silt ASTM_D422 NA NA 18.8 NA 4.5 Clay ASTM_D422 NA NA 33.8 NA 31.5 Total Fines ASTM_D422 65.3 NA 99.9 NA 66.6 Metals in mg/kg DWArsenic SW6010B 57 93 80 U NA 20 NA 60 U Cadmium SW6010B 5.1 6.7 6.0 NA 6.1 NA 10 

Chromium SW6010B 260 270 52 NA 65 NA 53 

Copper SW6010B SW6010B 390 390 311 NA 319 NA 329 Lead SW6010B 450 530 90 NA 210 NA 120 Mercury SW7471A 0.41 0.59 1.7 NA 0.75 NA 1.4 

Silver SW6010B 6.1 6.1 5 U NA 1.2 NA 4 U Zinc SW6010B 410 960 880 NA 921 NA 950 

PCBs in mg/kg DW3

Aroclor-1221 SW8082 0.91 U NA 0.12 U NA 0.11 U Aroclor-1232 SW8082 0.91 U NA 0.12 U NA 0.11 U Aroclor-1242 SW8082 6.6 NA 0.12 U NA 0.11 U Aroclor-1016 SW8082 0.91 U NA 0.12 U NA 0.11 U Aroclor-1248 SW8082 0.91 U NA 1.4 Y NA 2.1 Y Aroclor-1254 SW8082 9.1 NA 3 NA 3.4 Aroclor-1260 SW8082 2.0 NA 0.63 NA 0.64 Total PCBs SW8082 0.13 1.0 17.7 NA 3.6 NA 4.0 

Page 1 of 6
Table 4

Summary of Results for Filtered Suspended Solids Samples at MH108

Location ID MH108 MH108 MH108 MH108 MH108 MHFilter Filter A Filter B Filter A Filter B Filter A FilteSampling Event Event 6 Event 6 Event 7 Event 7 Event 8 Eve

Collection Date Method LAET 2LAET 2/11/2010 2/11/2010 3/29/2010 3/29/2010 4/27/2010 4/27/

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4 NA 0.31 NA 0.16 U NA Acenaphthylene SW8270D 1.3 1.3 NA 0.13 U NA 0.16 U NA 0Acenaphthene SW8270D 0.50 0.73 NA 0.13 U NA 0.16 U NA 0Fluorene SW8270D 0.54 1.0 NA 0.13 NA 0.16 U NA Phenanthrene SW8270D 1.5 5.4 NA 0.61 NA 2.5 NA 

Anthracene SW8270D 0.96 4.4 NA 0.13 U NA 0.21 NA 01-Methylnaphthalene SW8270D NA 0.41 Q NA 0.16 U NA 2-Methylnaphthalene SW8270D 0.67 1.4 NA 0.62 NA 0.16 U NA Fluoranthene SW8270D 1.7 2.5 NA 1.5 NA 5.9 NA 

Pyrene SW8270D 2.6 3.3 NA 0.92 NA 3.6 NA 

Benzo(a)anthracene SW8270D 1.3 1.6 NA 0.24 NA 1.4 NA 

Chrysene SW8270D 1.4 2.8 NA 1 NA 3.4 NA 

Benzo(b)fluoranthene SW8270D NA 0.7 NA 2.5 NA Benzo(k)fluoranthene SW8270D NA 0.7 NA 2.5 NA Total Benzofluoranthenes SW8270D 3.2 3.6 NA 1.4 NA 5.0 NA 

Benzo(a)pyrene SW8270D 1.6 3.0 NA 0.5 NA 2.3 NA 

Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69 NA 0.39 NA 1.8 NA 

Dibenz(a,h)anthracene SW8270D 0.23 0.54 NA 0.13 U NA 0.67 NA 

Benzo(g,h,i)perylene SW8270D 0.67 0.72 NA 0.55 NA 2.1 NA 

Total LPAH5 SW8270D 5.2 13 NA 1.1 NA 2.7 NA 

Total HPAH6 SW8270D 12 17 NA 6.5 NA 26 NA 

Dibenzofuran Dibenzofuran SW8270D SW8270D 0.54 0.7 NA 0.13 U NA 0.16 U NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E1613 NA NA NA NA NA 1,2,3,7,8-PECDD E1613 NA NA NA NA NA 1,2,3,4,7,8-HXCDD E1613 NA NA NA NA NA 1,2,3,6,7,8-HXCDD E1613 NA NA NA NA NA 1,2,3,7,8,9-HXCDD E1613 NA NA NA NA NA 1,2,3,4,6,7,8-HPCDD E1613 NA NA NA NA NA OCDD E1613 NA NA NA NA NA 2,3,7,8-TCDF E1613 NA NA NA NA NA 1,2,3,7,8-PECDF E1613 NA NA NA NA NA 2,3,4,7,8-PECDF E1613 NA NA NA NA NA 1,2,3,4,7,8-HXCDF E1613 NA NA NA NA NA 1,2,3,6,7,8-HXCDF E1613 NA NA NA NA NA 1,2,3,7,8,9-HXCDF E1613 NA NA NA NA NA 2,3,4,6,7,8-HXCDF E1613 NA NA NA NA NA 1,2,3,4,6,7,8-HPCDF E1613 NA NA NA NA NA 

Page 2 of 6
Table 4

Summary of Results for Filtered Suspended Solids Samples at MH108

Location ID MH108 MH108 MH108 MH108 MH108 MHFilter Filter A Filter B Filter A Filter B Filter A FilteSampling Event Event 6 Event 6 Event 7 Event 7 Event 8 Eve

Collection Date Method LAET 2LAET 2/11/2010 2/11/2010 3/29/2010 3/29/2010 4/27/2010 4/27/

1,2,3,4,7,8,9-HPCDF E1613 NA NA NA NA NA OCDF E1613 NA NA NA NA NA DX Total (TEQ 0 DL) E1613 NA NA NA NA NA DX Total (TEQ 1/2 DL) E1613 NA NA NA NA NA 

MRLs reported for all undetected resultsGreen highlighting indicates chemical not detected at a reporting limit that exceeds the SQS/LAGray highlighting indicates exceedance of the SQS/LAETRed highlighting indicates exceedance of the CSL/2LAETNA - Not available1. Estimated mass of total solids that accounts for the aliquots removed for analysis of metals 2. Actual mass of total solids analyzed for PCBs.3. ug of PCBs divided by solids extracted for PCBs.4. ug of PAH divided by estimated mass of total solids from PCB filter.7. pg of dioxin divided by total extracted solids.8. Total stormwater volume calculated from regression for Events 6 and 10U - Target analyte not detected at the reported concentration.B - Analyte detedted in an associated method blank.J - Estimated concentration when the value is less than established reporting limits.5. Total LPAH were calculated as the sum of acenaphthene, acenaphthylene, anthracene, fluo

and phenanthrene6. Total HPAH were calculated as the sum of benzo(a)anthracene, benzo(a)pyrene, benzo(g,h

benzofluoranthenes, chrysene, dibenzo(a,h)anthracene, fluoranthene, indeno(1,2,3-cd)pyrene, 

p g

Y - Equivalent to a U qualifier with a raised reporting limit.P - the GC confiirmation column criteria was exceeded.SQS/LAET - Sediment Quality Standards/Lowest Apparent Effects ThresholdCSL/2LAET - Cleanup Screening Level/Second Lowest Apparent Effects Threshold

Page 3 of 6
Table 4

Summary of Results for Filtered Suspended Solids Samples at MH108

Location IDFilterSampling EventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Calculated TSS (mg/L)Total Stormwater Flow (L)8Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390

MH108 MH108 MH108 MH108 MH108 

Filter B Filter A Filter B Filter A Filter B 

Event 9 Event 10 Event 10 Base Flow 1 Base Flow 1 

5/20/2010 6/2/2010 6/2/2010 2/23/2010 2/23/2010 

46.24 14.52 NA 42.6 45.33 46.24 13.87 NA 39.32 45.33 

2791 10110 12879 139808 147905 

16.6 1.4 NA 0.3 0.3 

756700 955000 955000 585700 585700 

NA NA NA 0 NA NA NA NA 0.1 NA NA NA NA 0 NA NA NA NA 0 NA NA NA NA 0 NA NA NA NA 0 NA NA NA NA 0.3 NA NA NA NA 0.2 NA NA NA NA 0.3 NA NA NA NA 0.9 NA NA NA NA 98.3 NA NA NA NA 99.9 NA NA 30 NA 120 U NA NA 7.0 NA 5 U NA NA 59 NA 30 NA 

Copper SW6010B 390 390 NA 247 NA 165 NA Lead SW6010B 450 530Mercury SW7471A 0.41 0.59Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

NA 247 NA 165 NA NA 170 NA 50 U NA NA 0.60 NA 2.29 NA 

NA 1 U NA 7 U NA NA 901 NA 310 NA NA 0.72 U NA 0.64 U NA NA 0.72 U NA 0.64 U NA NA 0.72 U NA 14 NA NA 0.72 U NA 0.64 U NA NA 2.5 Y NA 0.64 U NA NA 4.1 NA 11 NA NA 0.87 NA 1.3 Y NA NA 5.0 NA 25 NA 

Page 4 of 6
Table 4

Summary of Results for Filtered Suspended Solids Samples at MH108

Location IDFilterSampling EventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

MH108 MH108 MH108 MH108 MH108 

Filter B Filter A Filter B Filter A Filter B 

Event 9 Event 10 Event 10 Base Flow 1 Base Flow 1 

5/20/2010 6/2/2010 6/2/2010 2/23/2010 2/23/2010 

NA NA 0.21 NA NA NA NA 0.21 U NA NA NA NA 0.21 U NA NA NA NA 0.21 U NA NA NA NA 2.6 NA NA NA NA 0.21 U NA NA NA NA 0.21 U NA NA NA NA 0.21 U NA NA NA NA 5.9 NA NA 

NA NA 3.4 NA NA NA NA 0.83 NA NA NA NA 3.4 NA NA 

NA NA 2.3 NA NA NA NA 2.3 NA NA NA NA 4.6 NA NA NA NA 1.4 NA NA NA NA 1.4 NA NA 

NA NA 0.40 NA NA NA NA 1.7 NA NA NA NA 2.8 NA NA NA NA 23 NA NA 

Dibenzofuran SW8270D 0.54 0.7 NA NA 0.21 U NA NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E16131,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E1613

NA NA 0.21 U NA NA 

0.766 J NA NA NA 1.4 

3.91 K J NA NA NA 4.7 5.38 K J NA NA NA 3.7 10.7 NA NA NA 7.9 11.7 NA NA NA 14.9 

193 NA NA NA 121.3 B 

1230 B NA NA NA 743.4 B 

8.69 NA NA NA 7.9 2.44 J NA NA NA 1.9 J 5.86 NA NA NA 9.9 10.4 NA NA NA 21.4 6.83 NA NA NA 9.0 

0.292 K J NA NA NA 0.3 J 

4.07 J NA NA NA 3.0 38.9 NA NA NA 25.4 

Page 5 of 6
Table 4

Summary of Results for Filtered Suspended Solids Samples at MH108

Location IDFilterSampling EventCollection Date Method LAET 2LAET

1,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

MH108 MH108 MH108 MH108 MH108 

Filter B Filter A Filter B Filter A Filter B 

Event 9 Event 10 Event 10 Base Flow 1 Base Flow 1 

5/20/2010 6/2/2010 6/2/2010 2/23/2010 2/23/2010 

4.00 J NA NA NA 5.1 78.7 B NA NA NA 55.6 B 10.6 NA NA NA 17.7 10.7 NA NA NA 17.7 

Page 6 of 6
Table 5

Summary of Results for Filtered Suspended Solids Samples at LS431

Location ID LS431 LS431 LS431 LS431 LS431 LSFilter Filter A Filter B Filter A Filter B Filter A FiltSamplilng Event Event #6 Event #6 Event #7 Event #7 Event 8 EveCollection Date Method LAET 2LAET 2/11/2010 2/11/2010 3/29/2010 3/29/2010 4/27/2010 4/27/

Estimated Total Solids (g/filter DW)1 9.5 NA 46.9 NA 16.8 

Total Solids extracted for PCBs from (g/filter DW)2 9.16 NA 43.19 NA 15.35 

Volume of water through filter (liters) 4717 3127 6691 3842 6655 Calculated TSS (mg/L) 2.0 NA 7.0 NA 2.5 Total Stormwater Flow (L)8 3230000 3230000 16260000 16260000 5868000 586

Grain Size (%)Gravel ASTM_D422 0.1 U NA 0 NA 0 Very Coarse Sand ASTM_D422 1.2 NA 0 NA 0.1 Coarse Sand ASTM_D422 4.6 NA 0.1 NA 0.1 Medium Sand ASTM_D422 29.2 NA 0.2 NA 0.2 Fine Sand ASTM_D422 22 NA 0 NA 0.2 Very Fine Sand ASTM_D422 6.2 NA 0.1 NA 0.1 Coarse Silt ASTM_D422 NA NA 12.6 NA 0.1 Medium Silt ASTM_D422 NA NA 34.5 NA 2.5 Fine Silt ASTM_D422 NA NA 9.1 NA 10.2 Very Fine Silt ASTM_D422 NA NA 11.1 NA 13.3 Clay ASTM_D422 NA NA 32.3 NA 72.9 Total Fines ASTM_D422 36.9 NA 99.6 NA 99.3 Metals in mg/kg DWArsenic SW6010B 57 93 50 U NA 10 NA 50 U Cadmium SW6010B 5.1 6.7 5.0 NA 7.0 NA 7.0 

Chromium SW6010B 260 270 36 NA 54 NA 44 

Copper SW6010B SW6010B 390 390 68 NA 151 NA 85 Lead SW6010B 450 530 30 NA 134 NA 50 Mercury SW7471A 0.41 0.59 0.12 NA 0.37 NA 0.16 Silver SW6010B 6.1 6.1 3 U NA 0.7 U NA 3 U Zinc SW6010B 410 960 450 NA 704 NA 610 

PCBs in mg/kg DW3

Aroclor-1221 SW8082 1.1 U NA 0.12 U NA 0.13 U Aroclor-1232 SW8082 1.1 U NA 0.12 U NA 0.13 U Aroclor-1242 SW8082 1.2 NA 0.12 U NA 0.13 U Aroclor-1016 SW8082 1.1 U NA 0.12 U NA 0.13 U Aroclor-1248 SW8082 1.1 U NA 0.58 Y NA 0.49 Y Aroclor-1254 SW8082 1.1 NA 1.4 NA 0.72 Aroclor-1260 SW8082 1.1 U NA 0.53 NA 0.15 Total PCBs SW8082 0.13 1.0 2.3 NA 1.9 NA 0.87 

Page 1 of 6
Table 5

Summary of Results for Filtered Suspended Solids Samples at LS431

Location ID LS431 LS431 LS431 LS431 LS431 LSFilter Filter A Filter B Filter A Filter B Filter A FiltSamplilng Event Event #6 Event #6 Event #7 Event #7 Event 8 EveCollection Date Method LAET 2LAET 2/11/2010 2/11/2010 3/29/2010 3/29/2010 4/27/2010 4/27/

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4 NA 0.26 NA 0.11 NA 0Acenaphthylene SW8270D 1.3 1.3 NA 0.053 U NA 0.11 U NA 0Acenaphthene SW8270D 0.50 0.73 NA 0.49 NA 0.12 NA 0Fluorene SW8270D 0.54 1.0 NA 0.39 NA 0.16 NA Phenanthrene SW8270D 1.5 5.4 NA 2.2 NA 2.8 NA 

Anthracene SW8270D 0.96 4.4 NA 0.52 NA 0.26 NA 01-Methylnaphthalene SW8270D NA 0.28 NA 0.11 U NA 2-Methylnaphthalene SW8270D 0.67 1.4 NA 0.39 NA 0.11 U NA 0Fluoranthene SW8270D 1.7 2.5 NA 3.3 NA 6.6 NA 

Pyrene SW8270D 2.6 3.3 NA 1.9 NA 4.1 NA 

Benzo(a)anthracene SW8270D 1.3 1.6 NA 0.81 NA 1.2 NA Chrysene SW8270D 1.4 2.8 NA 1.8 NA 4.3 NA 

Benzo(b)fluoranthene SW8270D NA 1.3 NA 3.0 NA Benzo(k)fluoranthene SW8270D NA 1.3 NA 3.0 NA Total Benzofluoranthenes SW8270D 3.2 3.6 NA 2.6 NA 6.0 NA 

Benzo(a)pyrene SW8270D 1.6 3.0 NA 0.95 NA 2.6 NA 

Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69 NA 0.81 NA 2.0 NA Dibenz(a,h)anthracene SW8270D 0.23 0.54 NA 0.27 NA 0.58 NA 

Benzo(g,h,i)perylene SW8270D 0.67 0.72 NA 0.84 NA 2.1 NA Total LPAH5 SW8270D 5.2 13 NA 3.86 NA 3.5 NA 

Total HPAH6 SW8270D 12 17 NA 13.3 NA 29.5 NA 

Dibenzofuran Dibenzofuran SW8270D SW8270D 0.54 0.7 NA 0.32 NA 0.16 NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E1613 NA NA NA NA NA 1,2,3,7,8-PECDD E1613 NA NA NA NA NA 1,2,3,4,7,8-HXCDD E1613 NA NA NA NA NA 1,2,3,6,7,8-HXCDD E1613 NA NA NA NA NA 1,2,3,7,8,9-HXCDD E1613 NA NA NA NA NA 1,2,3,4,6,7,8-HPCDD E1613 NA NA NA NA NA OCDD E1613 NA NA NA NA NA 2,3,7,8-TCDF E1613 NA NA NA NA NA 1,2,3,7,8-PECDF E1613 NA NA NA NA NA 2,3,4,7,8-PECDF E1613 NA NA NA NA NA 1,2,3,4,7,8-HXCDF E1613 NA NA NA NA NA 1,2,3,6,7,8-HXCDF E1613 NA NA NA NA NA 1,2,3,7,8,9-HXCDF E1613 NA NA NA NA NA 2,3,4,6,7,8-HXCDF E1613 NA NA NA NA NA 1,2,3,4,6,7,8-HPCDF E1613 NA NA NA NA NA 

Page 2 of 6
Table 5

Summary of Results for Filtered Suspended Solids Samples at LS431

Location ID LS431 LS431 LS431 LS431 LS431 LSFilter Filter A Filter B Filter A Filter B Filter A FiltSamplilng Event Event #6 Event #6 Event #7 Event #7 Event 8 EveCollection Date Method LAET 2LAET 2/11/2010 2/11/2010 3/29/2010 3/29/2010 4/27/2010 4/27/

1,2,3,4,7,8,9-HPCDF E1613 NA NA NA NA NA OCDF E1613 NA NA NA NA NA DX Total (TEQ 0 DL) E1613 NA NA NA NA NA DX Total (TEQ 1/2 DL) E1613 NA NA NA NA NA 

MRLs reported for all undetected resultsGray highlighting indicates exceedance of the SQS/LAETRed highlighting indicates exceedance of the CSL/2LAETNA - Not available1. Estimated mass of total solids that accounts for the aliquots removed for analysis of metals 2. Actual mass of total solids analyzed for PCBs.3. ug of PCBs divided by solids extracted for PCBs.4. ug of PAH divided by estimated mass of total solids from PCB filter.7. pg of dioxin divided by total extracted solids.8. Total stormwater volume calculated from regression for Events 6 and 9bU - Target analyte not detected at the reported concentration.B - Analyte detedted in an associated method blankJ - Estimated concentration when the value is less than established reporting limits.Y - Equivalent to a U qualifier with a raised reporting limit.5. Total LPAH were calculated as the sum of acenaphthene, acenaphthylene, anthracene, fluo

and phenanthrene6. Total HPAH were calculated as the sum of benzo(a)anthracene, benzo(a)pyrene, benzo(g,h

benzofluoranthenes, chrysene, dibenzo(a,h)anthracene, fluoranthene, indeno(1,2,3-cd)pyrene

q q pg

P - the GC confiirmation column criteria was exceeded.SQS/LAET - Sediment Quality Standards/Lowest Apparent Effects ThresholdCSL/2LAET - Cleanup Screening Level/Second Lowest Apparent Effects Threshold

Page 3 of 6
Table 5

Summary of Results for Filtered Suspended Solids Samples at LS431

Location IDFilterSamplilng EventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Calculated TSS (mg/L)Total Stormwater Flow (L)8Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390

LS431 LS431 LS431 LS431 LS431 

Filter B Filter A Filter A Filter B Filter A 

Event 9 Event 9B Event 10 Event 10 Base Flow 1b 

5/20/2010 5/28/2010 6/2/2010 6/2/2010 3/20/2010 

54.81 17.14 11.74 NA 24.5 54.81 16.74 11.1 NA 22.62 

2653 4318 5026 4686 5314 

20.7 4.0 2.3 NA 4.6 

4901000 6351000 5187000 5187000 10400000 

NA NA NA NA 0.1 NA NA NA NA 0.2 NA NA NA NA 1.2 NA NA NA NA 3.4 NA NA NA NA 2.1 NA NA NA NA 0.6 NA NA NA NA 1.2 NA NA NA NA 3.6 NA NA NA NA 2.6 NA NA NA NA 3.1 NA NA NA NA 81.9 NA NA NA NA 92.4 NA 40 U 40 U NA 20 U NA 5.0 5.0 NA 4.9 NA 36 40 NA 61 

Copper SW6010B 390 390 NA 72 75 NA 51 Lead SW6010B 450 530Mercury SW7471A 0.41 0.59Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

NA 72 75 NA 51 NA 70 70 NA 293 NA 0.12 0.10 NA 0.060 NA 2 U 3 U NA 1 U NA 491 487 NA 245 

NA 0.12 U 0.18 U NA 0.044 U NA 0.12 U 0.18 U NA 0.044 U NA 0.12 U 0.18 U NA 0.53 NA 0.12 U 0.18 U NA 0.044 U NA 0.3 Y 0.36 Y NA 0.044 U NA 0.42 0.52 NA 0.71 NA 0.18 0.18 U NA 0.34 NA 0.60 0.52 NA 1.6 

Page 4 of 6
Table 5

Summary of Results for Filtered Suspended Solids Samples at LS431

Location IDFilterSamplilng EventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

LS431 LS431 LS431 LS431 LS431 

Filter B Filter A Filter A Filter B Filter A 

Event 9 Event 9B Event 10 Event 10 Base Flow 1b 

5/20/2010 5/28/2010 6/2/2010 6/2/2010 3/20/2010 

NA NA NA 0.26 U NA NA NA NA 0.26 U NA NA NA NA 0.26 U NA NA NA NA 0.26 U NA NA NA NA 1.2 NA NA NA NA 0.26 U NA NA NA NA 0.26 U NA NA NA NA 0.26 U NA NA NA NA 3.2 NA 

NA NA NA 1.9 NA NA NA NA 0.56 NA NA NA NA 2.6 NA 

NA NA NA 1.70 NA NA NA NA 1.70 NA NA NA NA 3.4 NA 

NA NA NA 0.94 NA NA NA NA 1.0 NA 

NA NA NA 0.32 NA NA NA NA 1.1 NA 

NA NA NA 1.2 NA NA NA NA 15.0 NA 

Dibenzofuran SW8270D 0.54 0.7 NA NA NA 0.26 U NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E16131,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E1613

NA NA NA 0.26 U NA 

0.288 J NA NA NA NA 

1.44 K J NA NA NA NA 2.15 K J NA NA NA NA 4.85 J NA NA NA NA 6.06 NA NA NA NA 76.1 NA NA NA NA 

650 B NA NA NA NA 

3.54 NA NA NA NA 1.04 J NA NA NA NA 2.43 J NA NA NA NA 3.58 J NA NA NA NA 2.10 J NA NA NA NA 

0.0847 K J NA NA NA NA 

1.82 J NA NA NA NA 19.2 NA NA NA NA 

Page 5 of 6
Table 5

Summary of Results for Filtered Suspended Solids Samples at LS431

Location IDFilterSamplilng EventCollection Date Method LAET 2LAET

1,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

LS431 LS431 LS431 LS431 LS431 

Filter B Filter A Filter A Filter B Filter A 

Event 9 Event 9B Event 10 Event 10 Base Flow 1b 

5/20/2010 5/28/2010 6/2/2010 6/2/2010 3/20/2010 

1.34 J NA NA NA NA 47.1 B NA NA NA NA 4.42 NA NA NA NA 4.47 NA NA NA NA 

Page 6 of 6
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location ID MH434 MH434 MH434 MH434 MH434 MH434 Filter Filter A Filter B Filter A Filter B Filter A Filter B Event Event 8 Event 8 Event 9B Event 9B Event 10 Event 10 Collection Date Method LAET 2LAET 4/27/2010 4/27/2010 5/28/2010 5/28/2010 6/2/2010 6/2/2010 

Estimated Total Solids (g/filter DW)1 12.93 NA 31.89 57.85 19.31 NA 

Total Solids extracted for PCBs from (g/filter DW)2 12.46 NA 28.16 NA 17.01 NA Volume of water through filter (liters) 4997 8060 23630 36212 36575 23848 Calculated TSS (mg/L) 2.6 NA 1.3 1.6 0.5 NA Total Stormwater Flow (L)8 NA NA NA NA NA NA 

Grain Size (%)Gravel ASTM_D422 NA NA 0.1 NA 0.2 NA Very Coarse Sand ASTM_D422 NA NA 0.1 NA 0.5 NA Coarse Sand ASTM_D422 NA NA 0.3 NA 0.6 NA Medium Sand ASTM_D422 NA NA 0.3 NA 0.6 NA Fine Sand ASTM_D422 NA NA 0.1 NA 0.4 NA Very Fine Sand ASTM_D422 NA NA 0.1 NA 0.2 NA Coarse Silt ASTM_D422 NA NA 16.6 NA 13.9 NA Medium Silt ASTM_D422 NA NA 31 NA 30.9 NA Fine Silt ASTM_D422 NA NA 15.3 NA 21.8 NA Very Fine Silt ASTM_D422 NA NA 13.5 NA 15.5 NA Clay ASTM_D422 NA NA 22.6 NA 15.4 NA Total Fines ASTM_D422 NA NA 99 NA 97.5 NA Metals in mg/kg DWArsenic SW6010B 57 93 60 NA 39 NA 90 NA 

Cadmium SW6010B 5.1 6.7 3.4 NA 3.4 NA 5.1 NA 

Chromium SW6010B 260 270 76 NA 65.8 NA 93 NA 

Copper SW6010B SW6010B 390 390 130 NA 83.3 NA 162 NA Lead SW6010B 450 530 146 NA 219 NA 236 NA Mercury SW7471A 0.41 0.59 0.10 NA 0.13 NA 0.20 NA Silver SW6010B 6.1 6.1 1 U NA 0.5 U NA 0.8 U NA Zinc SW6010B 410 960 923 NA 941 NA 1350 NA 

PCBs in mg/kg DW3

Aroclor-1221 SW8082 0.08 U NA 0.071 U NA 0.059 U NA Aroclor-1232 SW8082 0.08 U NA 0.071 U NA 0.059 U NA Aroclor-1242 SW8082 0.08 U NA 0.071 U NA 0.059 U NA Aroclor-1016 SW8082 0.08 U NA 0.071 U NA 0.059 U NA Aroclor-1248 SW8082 0.3 Y NA 0.28 Y NA 0.24 Y NA Aroclor-1254 SW8082 0.47 NA 0.31 NA 0.34 NA Aroclor-1260 SW8082 0.29 NA 0.26 NA 0.27 NA Total PCBs SW8082 0.13 1.0 0.76 NA 0.57 NA 0.61 NA 

Page 1 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location ID MH434 MH434 MH434 MH434 MH434 MH434 Filter Filter A Filter B Filter A Filter B Filter A Filter B Event Event 8 Event 8 Event 9B Event 9B Event 10 Event 10 Collection Date Method LAET 2LAET 4/27/2010 4/27/2010 5/28/2010 5/28/2010 6/2/2010 6/2/2010 

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4 NA 0.27 NA NA NA 0.39 U Acenaphthylene SW8270D 1.3 1.3 NA 0.046 J NA NA NA 0.39 U Acenaphthene SW8270D 0.50 0.73 NA 0.11 NA NA NA 0.39 U Fluorene SW8270D 0.54 1.0 NA 0.34 NA NA NA 0.39 U Phenanthrene SW8270D 1.5 5.4 NA 1.5 NA NA NA 2.2 

Anthracene SW8270D 0.96 4.4 NA 0.14 NA NA NA 0.39 U 1-Methylnaphthalene SW8270D NA 0.36 Y NA NA NA 0.39 U 2-Methylnaphthalene SW8270D 0.67 1.4 NA 0.2 NA NA NA 0.39 U Fluoranthene SW8270D 1.7 2.5 NA 2.9 NA NA NA 4.8 

Pyrene SW8270D 2.6 3.3 NA 2.9 NA NA NA 3.1 

Benzo(a)anthracene SW8270D 1.3 1.6 NA 0.53 NA NA NA 0.88 Chrysene SW8270D 1.4 2.8 NA 2.2 NA NA NA 2.7 

Benzo(b)fluoranthene SW8270D NA 1.4 NA NA NA 2.1 Benzo(k)fluoranthene SW8270D NA 1.4 NA NA NA 2.1 Total Benzofluoranthenes SW8270D 3.2 3.6 NA 2.8 NA NA NA 4.2 Benzo(a)pyrene SW8270D 1.6 3.0 NA 0.93 NA NA NA 1.6 Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69 NA 1.0 NA NA NA 1.4 

Dibenz(a,h)anthracene SW8270D 0.23 0.54 NA 0.40 NA NA NA 0.48 

Benzo(g,h,i)perylene SW8270D 0.67 0.72 NA 1.2 NA NA NA 0.19 

Total LPAH5 SW8270D 5.2 13 NA 2.3 NA NA NA 2.2 

Total HPAH6 SW8270D 12 17 NA 15 NA NA NA 19 

Dibenzofuran Dibenzofuran SW8270D SW8270D 0.54 0.7 NA 0.25 NA NA NA 0.39 Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E1613 NA NA NA 2.210 NA NA 1,2,3,7,8-PECDD E1613 NA NA NA 15.60 NA NA 1,2,3,4,7,8-HXCDD E1613 NA NA NA 30.10 NA NA 1,2,3,6,7,8-HXCDD E1613 NA NA NA 67.2 NA NA 1,2,3,7,8,9-HXCDD E1613 NA NA NA 66.4 NA NA 1,2,3,4,6,7,8-HPCDD E1613 NA NA NA 1300 NA NA OCDD E1613 NA NA NA 10100 B NA NA 2,3,7,8-TCDF E1613 NA NA NA 12.8 NA NA 1,2,3,7,8-PECDF E1613 NA NA NA 5.64 NA NA 2,3,4,7,8-PECDF E1613 NA NA NA 13.6 NA NA 1,2,3,4,7,8-HXCDF E1613 NA NA NA 18.5 NA NA 1,2,3,6,7,8-HXCDF E1613 NA NA NA 22.00 NA NA 1,2,3,7,8,9-HXCDF E1613 NA NA NA 0.586 K J NA NA 2,3,4,6,7,8-HXCDF E1613 NA NA NA 21.30 NA NA 1,2,3,4,6,7,8-HPCDF E1613 NA NA NA 337.0 NA NA 

Page 2 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location ID MH434 MH434 MH434 MH434 MH434 MH434 Filter Filter A Filter B Filter A Filter B Filter A Filter B Event Event 8 Event 8 Event 9B Event 9B Event 10 Event 10 Collection Date Method LAET 2LAET 4/27/2010 4/27/2010 5/28/2010 5/28/2010 6/2/2010 6/2/2010 

1,2,3,4,7,8,9-HPCDF E1613 NA NA NA 15.40 NA NA OCDF E1613 NA NA NA 557 B NA NA DX Total (TEQ 0 DL) E1613 NA NA NA 65.5 NA NA DX Total (TEQ 1/2 DL) E1613 NA NA NA 65.5 NA NA 

MRLs reported for all undetected resultsGreen highlighting indicates chemical not detected at a reporting limit that exceeds the SQS/LAETGray highlighting indicates exceedance of the SQS/LAETRed highlighting indicates exceedance of the CSL/2LAETNA - Not available1. Estimated mass of total solids that accounts for the aliquots removed for analysis of metals and grain 2. Actual mass of total solids analyzed for PCBs.3. ug of PCBs divided by solids extracted for PCBs.4. ug of PAH divided by estimated mass of total solids from PCB filter.7. pg of dioxin divided by total extracted solids.8. Total stormwater volume from measured values when availableU - Target analyte not detected at the reported concentration.B - Analyte detedted in an associated method blankJ - Estimated concentration when the value is less than established reporting limits.Y - Equivalent to a U qualifier with a raised reporting limit.

5. Total LPAH were calculated as the sum of acenaphthene, acenaphthylene, anthracene, fluorene, nap

6. Total HPAH were calculated as the sum of benzo(a)anthracene, benzo(a)pyrene, benzo(g,h,i)perylene

chrysene, dibenzo(a,h)anthracene, fluoranthene, indeno(1,2,3-cd)pyrene, and pyrene

Y Equivalent to a U qualifier with a raised reporting limit.P - the GC confiirmation column criteria was exceeded.SQS/LAET - Sediment Quality Standards/Lowest Apparent Effects ThresholdCSL/2LAET - Cleanup Screening Level/Second Lowest Apparent Effects Threshold

Page 3 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Calculated TSS (mg/L)Total Stormwater Flow (L)8Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390

MH356 MH356 MH356 MH356 MH369 MH

Filter A Filter B Filter A Filter B Filter A Filt

Event 9 Event 9 Event 10 Event 10 Event 8 Eve

5/20/2010 5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27

37.89 66.79 22.21 NA 16.16 35.57 NA 21.04 NA 15.61 

15985 16051 23992 23647 7802 

2.4 4.2 0.9 NA 2.1 

1523000 1523000 1352000 1352000 NA 

NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 

50 U NA 70 U NA 90 U 14 NA 14 NA 9.0 

98 NA 101 NA 108 

Copper SW6010B 390 390 254 NA 250 NA 133 Lead SW6010B 450 530Mercury SW7471A 0.41 0.59Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

254 NA 250 NA 133 250 NA 200 NA 130 

0.30 NA 0.3 U NA 0.20 

3 U NA 4 U NA 5 U 

1460 NA 1320 NA 820 

0.028 U NA 0.095 U NA 0.16 U 0.028 U NA 0.095 U NA 0.16 U 0.028 U NA 0.095 U NA 0.16 U 0.028 U NA 0.095 U NA 0.16 U 

0.11 Y NA 0.14 Y NA 0.16 U 0.21 NA 0.3 NA 0.55 

0.053 NA 0.17 NA 0.51 

0.26 NA 0.47 NA 1.1 

Page 4 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

MH356 MH356 MH356 MH356 MH369 MH

Filter A Filter B Filter A Filter B Filter A Filt

Event 9 Event 9 Event 10 Event 10 Event 8 Eve

5/20/2010 5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27

NA NA NA 0.68 U NA NA NA NA 0.68 U NA NA NA NA 0.68 U NA NA NA NA 0.68 U NA NA NA NA 5.9 NA 

NA NA NA 0.68 U NA NA NA NA 0.68 U NA NA NA NA 0.68 U NA NA NA NA 18 NA 

NA NA NA 9.9 NA 

NA NA NA 2.1 NA 

NA NA NA 15 NA 

NA NA NA 9.9 NA NA NA NA 9.9 NA NA NA NA 20 NA 

NA NA NA 3.9 NA 

NA NA NA 5.0 NA 

NA NA NA 1.3 NA 

NA NA NA 5.4 NA 

NA NA NA 5.9 NA 

NA NA NA 80 NA 

Dibenzofuran SW8270D 0.54 0.7 NA NA NA 0.68 U NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E16131,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E1613

NA NA NA 0.68 U NA NA 0.329 J NA NA NA NA 1.74 J NA NA NA NA 2.84 J NA NA NA NA 5.5 NA NA NA NA 6.6 NA NA NA NA 98 NA NA NA NA 726 B NA NA NA NA 3.0 NA NA NA NA 0.87 J NA NA NA NA 2.1 J NA NA NA NA 2.2 J NA NA NA NA 1.90 J NA NA NA NA 0.110 K J NA NA NA NA 2.11 J NA NA NA NA 22.0 NA NA NA 

Page 5 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

1,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

MH356 MH356 MH356 MH356 MH369 MH

Filter A Filter B Filter A Filter B Filter A Filt

Event 9 Event 9 Event 10 Event 10 Event 8 Eve

5/20/2010 5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27

NA 1.66 J NA NA NA NA 61 B NA NA NA NA 6.6 NA NA NA NA 6.6 NA NA NA 

Page 6 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Calculated TSS (mg/L)Total Stormwater Flow (L)8Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390

MH369 MH369 MH369 MH226 MH226 MH

Filter B Filter A Filter B Filter A Filter B Filte

Event 9 Event 10 Event 10 Event 8 Event 8 Eve

5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27/2010 5/20/

18.59 8.61 NA 20.57 NA 2

NA 8.28 NA 20.2 NA 2

15142 16456 14942 31815 39350 

1.2 0.5 NA 0.6 NA 

NA NA NA 679100 679100 41NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 70 NA 40 U NA NA 5.0 NA 10 NA NA 80 NA 56 NA 

Copper SW6010B 390 390 NA 86 NA 211 NA Lead SW6010B 450 530Mercury SW7471A 0.41 0.59Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

NA 86 NA 211 NA NA 60 NA 200 NA NA 0.10 NA 0.40 NA NA 4 U NA 2 U NA NA 630 NA 1170 NA 

NA 0.12 U NA 0.05 U NA NA 0.12 U NA 0.05 U NA NA 0.12 U NA 0.05 U NA NA 0.12 U NA 0.05 U NA NA 0.14 Y NA 0.074 Y NA NA 0.36 NA 0.16 NA NA 0.33 NA 0.18 NA NA 0.69 NA 0.34 NA 

Page 7 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

MH369 MH369 MH369 MH226 MH226 MH

Filter B Filter A Filter B Filter A Filter B Filte

Event 9 Event 10 Event 10 Event 8 Event 8 Eve

5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27/2010 5/20/

NA NA 0.35 U NA 0.12 NA NA 0.35 U NA 0.019 J NA NA 0.35 U NA 0.044 NA NA 0.35 U NA 0.11 NA NA 0.84 NA 2.9 

NA NA 0.35 U NA 0.14 NA NA 0.35 U NA 0.097 Y NA NA 0.35 U NA 0.078 NA NA 1.4 NA 7.8 

NA NA 1.2 NA 2.9 

NA NA 0.38 NA 0.53 NA NA 1.2 NA 4.0 NA NA 0.45 NA 1.4 NA NA 0.45 NA 1.4 NA NA 0.9 NA 2.8 NA NA 0.44 NA 0.88 NA NA 0.35 U NA 1.4 

NA NA 0.35 U NA 0.43 NA NA 0.37 NA 1.5 

NA NA 0.8 NA 3.3 NA NA 6.8 NA 22 

Dibenzofuran SW8270D 0.54 0.7 NA NA 0.35 U NA 0.17 Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E16131,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E1613

NA NA 0.35 U NA 0.17 

0.282 K J NA NA NA NA 

2.61 J NA NA NA NA 4.96 J NA NA NA NA 

9.8 J NA NA NA NA 

11.5 J NA NA NA NA 

195 NA NA NA NA 

1440 B NA NA NA NA 

34.1 NA NA NA NA 4.58 J NA NA NA NA 13.6 NA NA NA NA 

5.4 J NA NA NA NA 

3.79 J NA NA NA NA 

0.180 K J NA NA NA NA 

5.59 J NA NA NA NA 40.7 NA NA NA NA 

Page 8 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

1,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

MH369 MH369 MH369 MH226 MH226 MH

Filter B Filter A Filter B Filter A Filter B Filte

Event 9 Event 10 Event 10 Event 8 Event 8 Eve

5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27/2010 5/20/

3.01 K J NA NA NA NA 

115 B NA NA NA NA 

17.2 NA NA NA NA 17.3 NA NA NA NA 

Page 9 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Calculated TSS (mg/L)Total Stormwater Flow (L)8Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390

MH226 MH226 CB423 CB423 CB423 CB4

Filter A Filter B Filter A Filter A Filter B Filte

Event 10 Event 10 Event 9 Event 9B Event 9B Even

6/2/2010 6/2/2010 5/20/2010 5/28/2010 5/20-28/10 6/2/2

12.74 NA 37.6 6.4 13.45 

12.3 NA 32.53 6.34 NA 

12433 14100 3986 7617 2076 1

1.0 NA 9.4 0.8 6.5 

524000 524000 57420 87970 87970 8

NA NA 1.2 NA NA NA NA 1.6 NA NA NA NA 1.8 NA NA NA NA 3.6 NA NA NA NA 5.6 NA NA NA NA 4.6 NA NA NA NA 2 NA NA NA NA 15.9 NA NA NA NA 15.6 NA NA NA NA 8.5 NA NA NA NA 39.7 NA NA NA NA 81.7 NA NA 

60 NA 30 U 10 U NA 22 NA 5.0 4.4 NA 

132 NA 114 65 NA 

Copper SW6010B 390 390 469 NA 264 91.7 NA Lead SW6010B 450 530Mercury SW7471A 0.41 0.59Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

469 NA 264 91.7 NA 300 NA 190 88 NA 

0.30 NA 0.20 0.090 NA 

3 U NA 2 U 0.6 U NA 

2540 NA 1360 1630 NA 

0.081 U NA 0.031 U 0.16 U NA 0.081 U NA 0.031 U 0.16 U NA 0.081 U NA 0.031 U 0.16 U NA 0.081 U NA 0.031 U 0.16 U NA 0.081 U NA 0.061 Y 0.63 Y NA 

0.19 NA 0.092 0.38 NA 0.31 NA 0.083 0.36 NA 0.50 NA 0.18 0.74 NA 

Page 10 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

MH226 MH226 CB423 CB423 CB423 CB4

Filter A Filter B Filter A Filter A Filter B Filte

Event 10 Event 10 Event 9 Event 9B Event 9B Even

6/2/2010 6/2/2010 5/20/2010 5/28/2010 5/20-28/10 6/2/2

NA 0.24 U NA NA NA NA 0.24 U NA NA NA NA 0.24 U NA NA NA NA 0.24 U NA NA NA NA 5.0 NA NA NA NA 0.25 NA NA NA NA 0.24 U NA NA NA NA 0.24 U NA NA NA NA 12 NA NA NA NA 6.6 NA NA NA 

NA 1.6 NA NA NA NA 7.8 NA NA NA NA 6.2 NA NA NA NA 6.2 NA NA NA NA 12.4 NA NA NA NA 3.7 NA NA NA NA 4.4 NA NA NA NA 1.3 NA NA NA NA 4.9 NA NA NA NA 5.3 NA NA NA NA 55 NA NA NA 

Dibenzofuran SW8270D 0.54 0.7 NA 0.36 NA NA NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E16131,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E1613

NA 0.36 NA NA NA NA NA NA NA 2.16 J NA NA NA NA 11.2 J NA NA NA NA 23.2 NA NA NA NA 46.0 NA NA NA NA 62.2 NA NA NA NA 833 NA NA NA NA 5460 B NA NA NA NA 14.6 NA NA NA NA 5.89 J NA NA NA NA 8.62 J NA NA NA NA 13.7 J NA NA NA NA 10.3 J NA NA NA NA 0.51 J NA NA NA NA 8.70 J NA NA NA NA 126 

Page 11 of 12
Table 6

Summary of Results for Filtered Suspended Solids Samples for Other SD Lines

Location IDFilterEventCollection Date Method LAET 2LAET

1,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

MH226 MH226 CB423 CB423 CB423 CB4

Filter A Filter B Filter A Filter A Filter B Filte

Event 10 Event 10 Event 9 Event 9B Event 9B Even

6/2/2010 6/2/2010 5/20/2010 5/28/2010 5/20-28/10 6/2/2

NA NA NA NA 9.14 J NA NA NA NA 236 B NA NA NA NA 45.40 NA NA NA NA 45.40 

Page 12 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location ID MH152 MH152 MH152 MH152 MH152 MH152 CBFilter Filter A Filter B Filter A Filter B Filter A Filter B FilteEvent Event 8 Event 8 Event 9 Event 9 Event 10 Event 10 EveCollection Date Method LAET 2LAET 4/27/2010 4/27/2010 5/20/2010 5/20/2010 6/2/2010 6/2/2010 4/27/

Estimated Total Solids (g/filter DW)1 13.9 NA 56.35 31.28 10.04 NA 

Total Solids extracted for PCBs from (g/filter DW)2 13.13 NA 50.41 31.28 9.91 NA 2

Volume of water through filter (liters) 28245 33829 4262 5135 17977 13687 Grain Size (%)Gravel ASTM_D422 7.6 NA 0 NA NA NA Very Coarse Sand ASTM_D422 3.1 NA 0 NA NA NA Coarse Sand ASTM_D422 2.4 NA 0 NA NA NA Medium Sand ASTM_D422 3.1 NA 0 NA NA NA Fine Sand ASTM_D422 4.2 NA 0 NA NA NA Very Fine Sand ASTM_D422 6.1 NA 0 NA NA NA Coarse Silt ASTM_D422 2.7 NA 1.6 NA NA NA Medium Silt ASTM_D422 1.2 NA 28.5 NA NA NA Fine Silt ASTM_D422 9.7 NA 38.7 NA NA NA Very Fine Silt ASTM_D422 9.5 NA 8.3 NA NA NA Clay ASTM_D422 50.5 NA 22.9 NA NA NA Total Fines ASTM_D422 73.6 NA 100 NA NA NA Metals in mg/kg DWArsenic SW6010B 57 93 30 U NA 20 NA 50 NA Cadmium SW6010B 5.1 6.7 7.0 NA 4.6 NA 6.0 NA 

Chromium SW6010B 260 270 59 NA 56 NA 58 NA Copper SW6010B 390 390 393 NA 328 NA 419 NA 

Lead SW6010B 450 530 190 NA 189 NA 210 NA 

Mercury Mercury SW7471A SW7471A 0.41 0.59 1.3 NA 0.52 NA 0.40 NA Silver SW6010B 6.1 6.1 2 U NA 1 U NA 2 U NA Zinc SW6010B 410 960 869 NA 686 NA 1160 NA 

PCBs in mg/kg DW3

Aroclor-1221 SW8082 0.38 U NA 0.2 U NA 1 U NA Aroclor-1232 SW8082 0.38 U NA 0.2 U NA 1 U NA Aroclor-1242 SW8082 0.38 U NA 0.2 U NA 1 U NA Aroclor-1016 SW8082 0.38 U NA 0.2 U NA 1 U NA Aroclor-1248 SW8082 1.9 Y NA 0.6 Y NA 3 U NA Aroclor-1254 SW8082 2.5 NA 0.99 NA 3.7 NA Aroclor-1260 SW8082 0.43 NA 0.2 U NA 1 U NA Total PCBs SW8082 0.13 1.0 2.9 NA 0.99 NA 3.7 NA 

Page 1 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location ID MH152 MH152 MH152 MH152 MH152 MH152 CBFilter Filter A Filter B Filter A Filter B Filter A Filter B FilteEvent Event 8 Event 8 Event 9 Event 9 Event 10 Event 10 EveCollection Date Method LAET 2LAET 4/27/2010 4/27/2010 5/20/2010 5/20/2010 6/2/2010 6/2/2010 4/27/

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4 NA 0.17 NA NA NA 0.3 U Acenaphthylene SW8270D 1.3 1.3 NA 0.022 J NA NA NA 0.3 U Acenaphthene SW8270D 0.50 0.73 NA 0.043 NA NA NA 0.3 U Fluorene SW8270D 0.54 1.0 NA 0.16 NA NA NA 0.3 U Phenanthrene SW8270D 1.5 5.4 NA 2.8 NA NA NA 2.3 

Anthracene SW8270D 0.96 4.4 NA 0.086 NA NA NA 0.3 U 1-Methylnaphthalene SW8270D NA 0.19 Y NA NA NA 0.3 U 2-Methylnaphthalene SW8270D 0.67 1.4 NA 0.12 NA NA NA 0.3 U Fluoranthene SW8270D 1.7 2.5 NA 12 NA NA NA 5.2 

Pyrene SW8270D 2.6 3.3 NA 2.3 NA NA NA 2.8 Benzo(a)anthracene SW8270D 1.3 1.6 NA 0.69 NA NA NA 0.44 Chrysene SW8270D 1.4 2.8 NA 4.0 NA NA NA 3.2 

Benzo(b)fluoranthene SW8270D NA 1.7 NA NA NA 1.9 Benzo(k)fluoranthene SW8270D NA 1.7 NA NA NA 1.9 Total Benzofluoranthenes SW8270D 3.2 3.6 NA 3.4 NA NA NA 3.8 Benzo(a)pyrene SW8270D 1.6 3.0 NA 0.57 NA NA NA 0.87 Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69 NA 1.2 NA NA NA 1.0 Dibenz(a,h)anthracene SW8270D 0.23 0.54 NA 0.33 NA NA NA 0.3 

Benzo(g,h,i)perylene SW8270D 0.67 0.72 NA 1.2 NA NA NA 1.2 

Total LPAH5 SW8270D 5.2 13 NA 3.3 NA NA NA 2.3 

Total HPAH6 SW8270D 12 17 NA 26 NA NA NA 19 

Dibenzofuran Dibenzofuran SW8270D SW8270D 0.54 0.7 NA 0.24 NA NA NA 0.3 Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E1613 NA NA NA 1.91 NA NA 1,2,3,7,8-PECDD E1613 NA NA NA 12.5 NA NA 1,2,3,4,7,8-HXCDD E1613 NA NA NA 43.5 NA NA 1,2,3,6,7,8-HXCDD E1613 NA NA NA 44.1 NA NA 1,2,3,7,8,9-HXCDD E1613 NA NA NA 69.4 NA NA 1,2,3,4,6,7,8-HPCDD E1613 NA NA NA 742 NA NA OCDD E1613 NA NA NA 3680 B NA NA 2,3,7,8-TCDF E1613 NA NA NA 16.0 NA NA 1,2,3,7,8-PECDF E1613 NA NA NA 5.47 J NA NA 2,3,4,7,8-PECDF E1613 NA NA NA 10.2 NA NA 

Page 2 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location ID MH152 MH152 MH152 MH152 MH152 MH152 CBFilter Filter A Filter B Filter A Filter B Filter A Filter B FilteEvent Event 8 Event 8 Event 9 Event 9 Event 10 Event 10 EveCollection Date Method LAET 2LAET 4/27/2010 4/27/2010 5/20/2010 5/20/2010 6/2/2010 6/2/2010 4/27/

1,2,3,4,7,8-HXCDF E1613 NA NA NA 20.4 NA NA 1,2,3,6,7,8-HXCDF E1613 NA NA NA 13.2 NA NA 1,2,3,7,8,9-HXCDF E1613 NA NA NA 0.422 J NA NA 2,3,4,6,7,8-HXCDF E1613 NA NA NA 8.60 J NA NA 1,2,3,4,6,7,8-HPCDF E1613 NA NA NA 107 NA NA 1,2,3,4,7,8,9-HPCDF E1613 NA NA NA 9.49 NA NA OCDF E1613 NA NA NA 124 B NA NA DX Total (TEQ 0 DL) E1613 NA NA NA 48.9 NA NA DX Total (TEQ 1/2 DL) E1613 NA NA NA 48.9 NA NA 

MRLs reported for all undetected resultsGray highlighting indicates exceedance of the SQS/LAETRed highlighting indicates exceedance of the CSL/2LAETNA - Not available1. Estimated mass of total solids that accounts for the aliquots removed for analysis of metals and grain size.2. Actual mass of total solids analyzed for PCBs.3. ug of PCBs divided by solids extracted for PCBs.4. ug of PAH divided by estimated mass of total solids from PCB filter.5. Total LPAH were calculated as the sum of acenaphthene, acenaphthylene, anthracene, fluorene, naphthalen

7. pg of dioxin divided by total extracted solids.

U - Target analyte not detected at the reported concentration6. Total HPAH were calculated as the sum of benzo(a)anthracene, benzo(a)pyrene, benzo(g,h,i)perylene, total bdibenzo(a,h)anthracene, fluoranthene, indeno(1,2,3-cd)pyrene, and pyreneU - Target analyte not detected at the reported concentration.

B - Analyte detedted in an associated method blankJ - Estimated concentration when the value is less than established reporting limits.Y - Equivalent to a U qualifier with a raised reporting limit.P - the GC confiirmation column criteria was exceeded.SQS/LAET - Sediment Quality Standards/Lowest Apparent Effects ThresholdCSL/2LAET - Cleanup Screening Level/Second Lowest Apparent Effects Threshold

Page 3 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390Lead SW6010B 450 530Mercury SW7471A 0.41 0.59

CB165 CB165 CB165 MH178 MH178 MH178 

Filter B Filter A Filter B Filter A Filter B Filter A 

Event 9 Event 10 Event 10 Event 8 Event 8 Event 9 

5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27/2010 5/20/2010 

87.77 21.16 NA 20.66 NA 41.86 87.77 19.47 NA 18.73 NA 37.08 

44995 47100 52910 4611 4024 1503 

NA NA NA 5.2 NA 0.5 NA NA NA 0.2 NA 0.1 NA NA NA 0.3 NA 0.2 NA NA NA 0.5 NA 0.3 NA NA NA 0.5 NA 0.5 NA NA NA 1.1 NA 0.5 NA NA NA 2.1 NA 6.9 NA NA NA 12 NA 26.9 NA NA NA 12.8 NA 20.7 NA NA NA 15.8 NA 18.4 NA NA NA 49.5 NA 25 NA NA NA 92.2 NA 97.9 NA 20 NA 20 NA 20 NA 6.3 NA 6.2 NA 4.5 

NA 117 NA 57 NA 63 NA 150 NA 352 NA 397 NA 332 NA 237 NA 230 

Mercury SW7471A 0.41 0.59 NA 2.2 NA 0.36 NA 0.25 Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

NA 2.2 NA 0.36 NA 0.25 NA 0.7 U NA 1 U NA 1 U NA 2810 NA 652 NA 812 

NA 0.51 U NA 0.053 U NA 0.027 U NA 0.51 U NA 0.053 U NA 0.027 U NA 0.51 U NA 0.053 U NA 0.027 U NA 0.51 U NA 0.053 U NA 0.027 U NA 3.9 Y NA 0.13 Y NA 0.04 Y NA 2.1 NA 0.38 NA 0.084 NA 0.51 NA 0.21 NA 0.032 NA 2.6 NA 0.59 NA 0.12 

Page 4 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

CB165 CB165 CB165 MH178 MH178 MH178 

Filter B Filter A Filter B Filter A Filter B Filter A 

Event 9 Event 10 Event 10 Event 8 Event 8 Event 9 

5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27/2010 5/20/2010 

NA NA 0.35 U NA 0.13 NA NA NA 0.35 U NA 0.029 J NA NA NA 0.35 U NA 0.077 NA NA NA 0.35 U NA 0.17 NA NA NA 0.9 NA 2.0 NA 

NA NA 0.35 U NA 0.15 NA NA NA 0.35 U NA 0.18 Y NA NA NA 0.35 U NA 0.087 NA NA NA 1.5 NA 3.7 NA 

NA NA 1.3 NA 3.1 NA 

NA NA 0.41 NA 0.73 NA NA NA 1.1 NA 2.9 NA 

NA NA 0.52 NA 1.9 NA NA NA 0.52 NA 1.9 NA NA NA 1.04 NA 3.8 NA 

NA NA 0.52 NA 1.3 NA NA NA 0.37 NA 1.7 NA 

NA NA 0.35 U NA 0.63 NA 

NA NA 0.71 NA 1.7 NA 

NA NA 0.9 NA 2.45 NA NA NA 7.0 NA 20 NA 

Dibenzofuran SW8270D 0.54 0.7 NA NA 0.35 U NA 0.18 NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E1613

NA NA 0.35 U NA 0.18 NA 

0.415 J NA NA NA NA NA 

1.90 J NA NA NA NA NA 8.83 NA NA NA NA NA 8.66 NA NA NA NA NA 23.8 NA NA NA NA NA 

218 NA NA NA NA NA 

1480 B NA NA NA NA NA 

12.0 NA NA NA NA NA 2.95 NA NA NA NA NA 7.91 NA NA NA NA NA 

Page 5 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

1,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E16131,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

CB165 CB165 CB165 MH178 MH178 MH178 

Filter B Filter A Filter B Filter A Filter B Filter A 

Event 9 Event 10 Event 10 Event 8 Event 8 Event 9 

5/20/2010 6/2/2010 6/2/2010 4/27/2010 4/27/2010 5/20/2010 

7.00 NA NA NA NA NA 3.27 NA NA NA NA NA 

0.142 J NA NA NA NA NA 

2.77 J NA NA NA NA NA 22.1 NA NA NA NA NA 2.04 J NA NA NA NA NA 41.7 B NA NA NA NA NA 14.2 NA NA NA NA NA 14.2 NA NA NA NA NA 

Page 6 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390Lead SW6010B 450 530Mercury SW7471A 0.41 0.59

MH178 CB173 CB173 CB173 CB173 CB173 

Filter B Filter A Filter B Filter A Filter B Filter A 

Event 10 Event 8 Event 8 Event 9 Event 9 Event 10 

6/2/2010 4/27/2010 4/27/2010 5/20/2010 5/20/2010 6/2/2010 

NA 20.75 NA 40.62 81.29 18.53 NA 19.39 NA 38.75 81.29 18.42 

35269 56627 61218 37465 34982 65148 

NA 2.3 NA NA NA NA NA 4 NA NA NA NA NA 2.5 NA NA NA NA NA 1.6 NA NA NA NA NA 1.2 NA NA NA NA NA 0.9 NA NA NA NA NA 1.2 NA NA NA NA NA 16.5 NA NA NA NA NA 21.1 NA NA NA NA NA 18.2 NA NA NA NA NA 32.4 NA NA NA NA NA 87.5 NA NA NA NA NA 20 U NA 20 U NA 40 U NA 8.3 NA 31.2 NA 9.0 

NA 67 NA 81 NA 74 NA 245 NA 278 NA 311 NA 142 NA 202 NA 210 

Mercury SW7471A 0.41 0.59 NA 0.57 NA 13 NA 0.80 Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

NA 0.57 NA 13 NA 0.80 NA 1 U NA 1 U NA 2 U NA 2040 NA 1910 NA 2090 

NA 1 U NA 0.52 U NA 2.7 U NA 1 U NA 0.52 U NA 2.7 U NA 1 U NA 0.52 U NA 2.7 U NA 1 U NA 0.52 U NA 2.7 U NA 19 NA 2.6 Y NA 27 Y NA 14 NA 10 NA 17 NA 1.5 Y NA 0.77 Y NA 2.7 U NA 16 NA 10 NA 17 

Page 7 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

MH178 CB173 CB173 CB173 CB173 CB173 

Filter B Filter A Filter B Filter A Filter B Filter A 

Event 10 Event 8 Event 8 Event 9 Event 9 Event 10 

6/2/2010 4/27/2010 4/27/2010 5/20/2010 5/20/2010 6/2/2010 

0.39 U NA 0.2 NA NA NA 0.39 U NA 0.043 J NA NA NA 0.39 U NA 0.072 NA NA NA 0.39 U NA 0.13 NA NA NA 

4.8 NA 0.92 NA NA NA 

0.39 U NA 0.096 NA NA NA 0.39 U NA 0.22 Y NA NA NA 0.39 U NA 0.21 NA NA NA 

12 NA 1.2 NA NA NA 

6.0 NA 1.3 NA NA NA 1.3 NA 0.27 NA NA NA 6.8 NA 1.0 NA NA NA 4.6 NA 0.58 NA NA NA 4.6 NA 0.58 NA NA NA 9.2 NA 1.16 NA NA NA 2.3 NA 0.44 NA NA NA 2.6 NA 0.40 NA NA NA 

0.70 NA 0.15 NA NA NA 

2.9 NA 0.58 NA NA NA 4.8 NA 1.346 NA NA NA 

44 NA 6.5 NA NA NA 

Dibenzofuran SW8270D 0.54 0.7 0.39 U NA 0.13 NA NA NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E1613

0.39 U NA 0.13 NA NA NA 

NA NA NA NA 0.552 J NA NA NA NA NA 3.01 J NA NA NA NA NA 4.69 NA NA NA NA NA 9.88 NA NA NA NA NA 10.2 NA NA NA NA NA 164 NA NA NA NA NA 1390 B NA NA NA NA NA 19.7 NA NA NA NA NA 3.53 NA NA NA NA NA 12.0 NA 

Page 8 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

1,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E16131,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

MH178 CB173 CB173 CB173 CB173 CB173 

Filter B Filter A Filter B Filter A Filter B Filter A 

Event 10 Event 8 Event 8 Event 9 Event 9 Event 10 

6/2/2010 4/27/2010 4/27/2010 5/20/2010 5/20/2010 6/2/2010 

NA NA NA NA 25.5 NA NA NA NA NA 12.1 NA NA NA NA NA 0.527 K J NA NA NA NA NA 4.43 NA NA NA NA NA 42.2 NA NA NA NA NA 7.74 NA NA NA NA NA 93.5 B NA NA NA NA NA 18.5 NA NA NA NA NA 18.5 NA 

Page 9 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

Estimated Total Solids (g/filter DW)1Total Solids extracted for PCBs from (g/filter DW)2Volume of water through filter (liters)Grain Size (%)Gravel ASTM_D422Very Coarse Sand ASTM_D422Coarse Sand ASTM_D422Medium Sand ASTM_D422Fine Sand ASTM_D422Very Fine Sand ASTM_D422Coarse Silt ASTM_D422Medium Silt ASTM_D422Fine Silt ASTM_D422Very Fine Silt ASTM_D422Clay ASTM_D422Total Fines ASTM_D422Metals in mg/kg DWArsenic SW6010B 57 93Cadmium SW6010B 5.1 6.7Chromium SW6010B 260 270Copper SW6010B 390 390Lead SW6010B 450 530Mercury SW7471A 0.41 0.59

MH133 MH133 MH133 MH133 MH138 MH138 

Filter A Filter B Filter A Filter B Filter A Filter B 

Event 9 Event 9 Event 10 Event 10 Event 9 Event 9 

5/20/2010 5/20/2010 6/2/2010 6/2/2010 5/20/2010 5/20/2010 

73.08 25.9 13.17 NA 27.73 11.52 67.09 25.9 12.57 NA 26.21 11.52 

15039 15667 17279 16720 2611 2450 

NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA 

90 NA 110 NA 90 NA 

78 NA 102 NA 10 NA 

78 NA 274 NA 100 NA 

125 NA 134 NA 126 NA 120 NA 230 NA 120 NA 

Mercury SW7471A 0.41 0.59 3.2 NA 3.5 NA 0.40 NA Silver SW6010B 6.1 6.1Zinc SW6010B 410 960PCBs in mg/kg DW3Aroclor-1221 SW8082Aroclor-1232 SW8082Aroclor-1242 SW8082Aroclor-1016 SW8082Aroclor-1248 SW8082Aroclor-1254 SW8082Aroclor-1260 SW8082Total PCBs SW8082 0.13 1.0

3.2 NA 3.5 NA 0.40 NA 

4 U NA 4 U NA 4 U NA 

2200 NA 2650 NA 2890 NA 

0.03 U NA 0.16 U NA 0.076 U NA 0.03 U NA 0.16 U NA 0.076 U NA 0.03 U NA 0.16 U NA 0.076 U NA 0.03 U NA 0.16 U NA 0.076 U NA 

0.045 Y NA 0.24 Y NA 0.19 Y NA 

0.13 NA 0.53 NA 0.61 NA 0.14 NA 0.73 NA 0.16 NA 0.27 NA 1.3 NA 0.77 NA 

Page 10 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

PAHs in mg/kg DW4Naphthalene SW8270D 2.1 2.4Acenaphthylene SW8270D 1.3 1.3Acenaphthene SW8270D 0.50 0.73Fluorene SW8270D 0.54 1.0Phenanthrene SW8270D 1.5 5.4Anthracene SW8270D 0.96 4.41-Methylnaphthalene SW8270D2-Methylnaphthalene SW8270D 0.67 1.4Fluoranthene SW8270D 1.7 2.5Pyrene SW8270D 2.6 3.3Benzo(a)anthracene SW8270D 1.3 1.6Chrysene SW8270D 1.4 2.8Benzo(b)fluoranthene SW8270DBenzo(k)fluoranthene SW8270DTotal Benzofluoranthenes SW8270D 3.2 3.6Benzo(a)pyrene SW8270D 1.6 3.0Indeno(1,2,3-cd)pyrene SW8270D 0.60 0.69Dibenz(a,h)anthracene SW8270D 0.23 0.54Benzo(g,h,i)perylene SW8270D 0.67 0.72Total LPAH5 SW8270D 5.2 13

Total HPAH6 SW8270D 12 17

Dibenzofuran SW8270D 0.54 0.7

MH133 MH133 MH133 MH133 MH138 MH138 

Filter A Filter B Filter A Filter B Filter A Filter B 

Event 9 Event 9 Event 10 Event 10 Event 9 Event 9 

5/20/2010 5/20/2010 6/2/2010 6/2/2010 5/20/2010 5/20/2010 

NA NA NA 0.91 U NA NA NA NA NA 0.91 U NA NA NA NA NA 1.2 NA NA NA NA NA 1.4 NA NA NA NA NA 13 NA NA NA NA NA 2.2 NA NA NA NA NA 0.91 U NA NA NA NA NA 0.91 U NA NA NA NA NA 22 NA NA NA NA NA 14 NA NA NA NA NA 8.4 NA NA NA NA NA 11 NA NA 

NA NA NA 8.4 NA NA NA NA NA 8.4 NA NA NA NA NA 17 NA NA 

NA NA NA 9.9 NA NA NA NA NA 6.2 NA NA 

NA NA NA 2.7 NA NA NA NA NA 6.8 NA NA 

NA NA NA 18 NA NA 

NA NA NA 98 NA NA 

Dibenzofuran SW8270D 0.54 0.7 NA NA NA 0.91 U NA NA Dioxin/Furan (pg/g DW)72,3,7,8-TCDD E16131,2,3,7,8-PECDD E16131,2,3,4,7,8-HXCDD E16131,2,3,6,7,8-HXCDD E16131,2,3,7,8,9-HXCDD E16131,2,3,4,6,7,8-HPCDD E1613OCDD E16132,3,7,8-TCDF E16131,2,3,7,8-PECDF E16132,3,4,7,8-PECDF E1613

NA NA NA 0.91 U NA NA NA 2.02 NA NA NA 0.793 K NA 9.27 J NA NA NA 3.68 K NA 14.9 NA NA NA 6.93 NA 28.2 NA NA NA 12.8 NA 29.6 NA NA NA 17.1 NA 421 NA NA NA 240 NA 3750 B NA NA NA 1750 NA 26.4 NA NA NA 10.9 NA 6.10 J NA NA NA 3.68 K NA 12.3 NA NA NA 11.7 

Page 11 of 12
Table 7

Summary of Results for Filtered Suspended Solids Samples in the North Lateral SD Line

Location IDFilterEventCollection Date Method LAET 2LAET

1,2,3,4,7,8-HXCDF E16131,2,3,6,7,8-HXCDF E16131,2,3,7,8,9-HXCDF E16132,3,4,6,7,8-HXCDF E16131,2,3,4,6,7,8-HPCDF E16131,2,3,4,7,8,9-HPCDF E1613OCDF E1613DX Total (TEQ 0 DL) E1613DX Total (TEQ 1/2 DL) E1613

MH133 MH133 MH133 MH133 MH138 MH138 

Filter A Filter B Filter A Filter B Filter A Filter B 

Event 9 Event 9 Event 10 Event 10 Event 9 Event 9 

5/20/2010 5/20/2010 6/2/2010 6/2/2010 5/20/2010 5/20/2010 

NA 11.8 NA NA NA 19.4 NA 9.00 J NA NA NA 9.29 NA 0.880 K J NA NA NA 0.483 K NA 13.1 NA NA NA 6.01 NA 92.3 NA NA NA 53.3 NA 7.18 J NA NA NA 8.16 NA 189 B NA NA NA 120 NA 34.8 NA NA NA 15.4 NA 34.9 NA NA NA 15.7 

Page 12 of 12
Table 8

Summary of Results for Whole Water Samples at MH108

Sample ID LS431 LS431 LS431 LS431 LS431 LEvent Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base Collection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/2

Total Stormwater Flow (L) 3230000 16260000 5868000 4901000 5187000 104Metals - Total (ug/L)Arsenic EPA200.8 36 MWC 1.95 1 1 1.9 0.8 Cadmium EPA200.8 9.3 MWC 4.6 0.4 0.3 0.6 0.2 U 

Calcium SW6010B 22200 5150 10900 9450 10200 Chromium EPA200.8 57 FC 3.9 2 1.4 2.7 1 Copper EPA200.8 3.1 MWC 2.5 9.6 7.1 14.1 5 

Lead EPA200.8 8.1 MWC 1.65 5 2 7 1 Magnesium SW6010B 10200 1600 3860 3720 3830 Mercury SW7470A 0.012 FC 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U Nickel EPA200.8 8.2 MWC 1.1 1.6 1 1.8 1.2 Selenium EPA200.8 5 FC1 3.85 2 U 0.5 U 0.5 U 0.5 U 

Silver EPA200.8 1.9 MWA 0.04 U 0.2 U 0.2 U 0.2 U 0.2 U Zinc EPA200.8 81 MWC 38.1 61 44 69 41 Metals - Dissolved (ug/L)Arsenic EPA200.8 36 MWC 0.95 U 0.5 U 0.5 0.5 0.4 Cadmium EPA200.8 9.3 MWC 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Calcium SW6010B NA NA NA NA Chromium EPA200.8 57 FC 1.15 0.5 U 0.50 0.5 U 0.50 Copper EPA200.8 3.1 MWC 0.4 U 2.2 4.2 5.2 3.0 

Lead EPA200.8 8.1 MWC 0.2 U 1 U 1 U 1 U 1 U Magnesium SW6010B NA NA NA NA Mercury SW7470A 0.012 FC 0.02 U 0.02 U NA 0.02 U 0.02 U 

Nickel EPA200.8 EPA200.8 8.2 MWC 1.05 0.5 U 0.9 0.8 0.7 Selenium EPA200.8 5 FC1 1 U 2 U 0.5 U 0.5 U 0.5 U Silver EPA200.8 1.9 MWA 0.04 U 0.2 U 0.2 U 0.2 U 0.2 U Zinc EPA200.8 81 MWC 12.5 25 27 22 26 PCBs (ug/L)Aroclor 1221 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1232 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1242 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1016 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1248 SW8082 0.014 0.025 U 0.024 Y 0.025 Y 0.015 Y Aroclor 1254 SW8082 0.014 0.081 0.016 0.031 0.01 U Aroclor 1260 SW8082 0.01 U 0.016 0.01 U 0.012 0.01 U Aroclor 1262 SW8082 NA NA NA NA NA Aroclor 1268 SW8082 NA NA NA NA NA Total PCBs 0.014 FC 0.028 0.097 0.016 0.043 0.015 Y 

Page 1 of 5
Table 8

Summary of Results for Whole Water Samples at MH108

Sample ID LS431 LS431 LS431 LS431 LS431 LEvent Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base Collection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/2

PAHs (ug/L)Naphthalene SW8270DSIM 0.05 0.028 0.02 0.26 0.021 Acenaphthylene SW8270DSIM 0.01 U 0.01 U 0.01 U 0.056 0.01 U Acenaphthene SW8270DSIM 990 HHO 0.03 0.014 0.022 0.029 0.021 Fluorene SW8270DSIM 5300 HHO 0.01 U 0.01 0.01 U 0.22 0.01 U Phenanthrene SW8270DSIM 0.037 0.18 0.056 1 0.037 Anthracene SW8270DSIM 40,000 HHO 0.01 U 0.01 U 0.01 U 0.15 0.01 U 1-Methylnaphthalene SW8270DSIM 0.047 0.014 0.021 Q 0.11 0.01 U 2-Methylnaphthalene SW8270DSIM 0.056 0.019 0.017 0.16 0.01 U Fluoranthene SW8270DSIM 140 HHO 0.094 0.42 0.01 U 0.83 0.15 Pyrene SW8270DSIM 4,000 HHO 0.069 0.26 0.056 0.36 0.088 Benzo(a)anthracene SW8270DSIM 0.018 HHO 0.019 0.075 0.017 0.18 0.029 

Chrysene SW8270DSIM 0.018 HHO 0.07 0.18 Q 0.069 0.68 0.095 

Benzo(b)fluoranthene SW8270DSIM 0.018 HHO 0.042 0.14 0.042 0.28 0.064 

Benzo(k)fluoranthene SW8270DSIM 0.018 HHO 0.042 0.14 0.042 0.28 0.064 

Benzo(a)pyrene SW8270DSIM 0.018 HHO 0.032 0.11 0.03 0.2 0.053 

Indeno(1,2,3-cd)pyrene SW8270DSIM 0.018 HHO 3 0.095 0.028 0.19 0.048 

Dibenz(a,h)anthracene SW8270DSIM 0.018 HHO 0.01 U 0.034 0.01 0.069 0.015 Benzo(g,h,i)perylene SW8270DSIM 0.035 0.11 0.031 0.24 0.054 Total LPAH SW8270DSIM 0.12 0.23 0.098 1.7 0.079 Total HPAH SW8270DSIM 3.4 1.6 0.33 3.3 0.66 Chlorinated Hydrocarbons (ug/L)1,3-Dichlorobenzene SW8260C 960 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 

1,4-Dichlorobenzene -Dichlorobenzene SW8260C SW8260C 190 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dichlorobenzene SW8260C 1,300 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2,4-Trichlorobenzene SW8260C 70 HHO 0.5 U 0.5 U 0.2 U 0.5 U 0.5 U Hexachlorobenzene SW8081B/8270D 0.00029 HHO 1 U 1 U 1 U 1 U 1 U Phthalates (ug/L)Dimethylphthalate SW8270D 1,100,000 HHO 1 U 1 U 1 U 1 U 1 U Diethylphthalate SW8270D 44,000 HHO 1 U 1 U 1 U 1 U 1 U Di-n-Butylphthalate SW8270D 4,500 HHO 1 U 1 U 1 U 1.1 1 U Di-n-Octyl phthalate SW8270D 1 U 1 U 1 U 1.8 1.1 Butylbenzylphthalate SW8270D 1,900 HHO 1 U 1 U 1 U 1 U 1 U bis(2-Ethylhexyl)phthalate SW8270D 2.2 HHO 1 U 1.4 1.8 1 U 1 U Phenols (ug/L)Phenol SW8270D 860,000 HHO 1 U 1 U 1 U 1 U 1 U 2-Methylphenol SW8270D 1 U 1 U 1 U 1 U 1 U 4-Methylphenol SW8270D 1 U 1 U 1 U 1 U 1 U 2,4-Dimethylphenol SW8270D 850 HHO 1 U 1 U 1 U 1 U 1 U Pentachlorophenol SW8270D 7.9 MWC 5 U 5 U 5 U 5 U 5 U 

Page 2 of 5
Table 8

Summary of Results for Whole Water Samples at MH108

Sample ID LS431 LS431 LS431 LS431 LS431 LEvent Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base Collection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/2

Miscellaneous Extractables (ug/L)Benzyl Alcohol SW8270D 5 U 5 U 5 U 5 U 5 U Benzoic Acid SW8270D 10 U 10 U 10 U 10 U 10 U Dibenzofuran SW8270DSIM 0.01 U 0.01 U 1 U 0.038 0.01 U Hexachlorobutadiene SW8081B/8260C 18 HHO 0.5 U 1 U 0.5 U 1 U 0.5 U N-Nitrosodiphenylamine SW8270D 6 HHO 1 U 5 U 5 U 5 U 5 U Volatile Organics (ug/L)Trichloroethene SW8260C 30 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,1,2-Tetrachloroethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,2,2-Tetrachloroethane SW8260C 4 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Ethylbenzene SW8260C 2,100 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U m, p-Xylene SW8260C 0.4 U 0.4 U 0.4 U 0.4 U 0.4 U o-Xylene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Miscellaneous 8260 VOCs (ug/L)Acrolein SW8260C 3 FWC 5 U 5 U 5 U 5 5 U Methyl Iodide SW8260C 1 U 1 U 1 U 1 1 U Bromoethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 0.2 U Acrylonitrile SW8260C 0.25 HHO 1 U 1 U 1 U 1 U 1 U 1,1-Dichloropropene SW8260C 0.2 U 0.2 U 0 U 0.2 U 0.2 U Dibromomethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dibromo-3-chloropropane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 1,2,3-Trichloropropane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U trans-1,4-Dichloro-2-butene SW8260C 1 U 1 U 1 U 1 U 1 U 1,3,5-Trimethylbenzene -Trimethylbenzene SW8260C SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2,4-Trimethylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Ethylene Dibromide SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Bromochloromethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2,2-Dichloropropane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,3-Dichloropropane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Isopropylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U n-Propylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Bromobenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2-Chlorotoluene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 4-Chlorotoluene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U tert-Butylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U sec-Butylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 4-Isopropyltoluene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U n-Butylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2,3-Trichlorobenzene SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U Chloromethane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 

Page 3 of 5
Table 8

Summary of Results for Whole Water Samples at MH108

Sample ID LS431 LS431 LS431 LS431 LS431 LEvent Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base Collection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/2

Bromomethane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U Vinyl Chloride SW8260C 2.4 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Chloroethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Methylene Chloride SW8260C 590 HHO 1.6 1.2 1.2 1.3 1.9 Acetone SW8260C 5.1 7.1 9.6 8.5 7.6 Carbon Disulfide SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1-Dichloroethene SW8260C 7,100 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1-Dichloroethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U trans-1,2-Dichloroethene SW8260C 10,000 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U cis-1,2-Dichloroethene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Chloroform SW8260C 470 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dichloroethane SW8260C 37 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2-Butanone SW8260C 26 20 10 6 19 2-Butanone (grab) SW8260C NA NA NA NA NA 1,1,1-Trichloroethane SW8260C 16 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Carbon Tetrachloride SW8260C 1.6 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Vinyl Acetate SW8260C 1 U 1 U 1 U 1 U 1 U Bromodichloromethane SW8260C 17 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dichloropropane SW8260C 15 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U cis-1,3-Dichloropropene SW8260C 21 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Dibromochloromethane SW8260C 13 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,2-Trichloroethane SW8260C 16 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Benzene SW8260C 51 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U trans-1,3-Dichloropropene -Dichloropropene SW8260C SW8260C 21 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2-Chloroethylvinylether SW8260C 1 U 1 U 1 U 1 U 1 U Bromoform SW8260C 140 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 4-Methyl-2-Pentanone (MIBK) SW8260C 5 U 5 U 5 U 5 U 5 U 

2-Hexanone SW8260C 5 U 5 U 5 U 5 U 5 U Tetrachloroethene SW8260C 3.3 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Toluene SW8260C 15,000 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Chlorobenzene SW8260C 1,600 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Styrene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Trichlorofluoromethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,2-Trichloro-1,2,2-trifluoroeSW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U ConventionalspH PH 7.45 6.82 7.07 7.07 7.69 Alkalinity (mg/L) SM2320 116 24.9 55.4 53.2 59.1 Carbonate (mg/L) SM2320 1 U 1 U 1 U 1 U 1 U Bicarbonate (mg/L) SM2320 116 24.9 55.4 53.2 59.1 Hydroxide (mg/L) SM2320 1 U 1 U 1 U 1 U 1 U 

Page 4 of 5
Table 8

Summary of Results for Whole Water Samples at MH108

Sample ID LS431 LS431 LS431 LS431 LS431 LEvent Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base Collection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/2

Hardness as CaC03 - Dissolv SW6010B NA NA NA NA NA Hardness as CaC03 - Total (mSW6010B 89 19 43 39 41 

TSS (mg/L) EPA160.2 22 62.3 16.3 41 25.4 Chloride (mg/L) EPA300.0 23.6 3.4 7.7 8.5 8.5 Nitrate (mg/L) EPA300.0 0.3 0.1 0.2 0.2 0.2 Sulfate (mg/L) EPA300.0 6.6 1.6 3 2.4 0.2 DOC (mg/L) EPA415.1 5.05 2.76 3.51 5.22 3.79 TOC (mg/L) EPA415.1 6.51 4.28 4.51 6.34 4.91 MRLs reported for all undetected resultsGray highlighting indicates exceedance of the listed WQCGreen highlighting indicates chemical not detected at a reporting limit that exceeds the water quality criteriaPeach highlighting indicates data have not been received(a) Limit is based on total recoverable fraction of the metal(b) Chlorinated hydrocarbons analyzed by 8270DFC - Freshwater Chronic CriteraFA - Freshwater Acute CriteriaMWC - Marine Chronic CriteriaMWA - Marine Acute CriteriaHHO - Human Health Criteria, organisms only; based on dissolved contaminant conc'nsU - Target analyte not detected at the reported concentration.B - Analyte detected in an associated method blankJ - Estimated concentration when the value is less than established reporting limits.

Y -Equivalent to a U qualifier with a raised reporting limit Equivalent to a U qualifier with a raised reporting limit.

NA - Not analyzed

Page 5 of 5
Table 9

Summary of Results for Whole Water Samples at LS431

Sample ID MH108 MH108 MH108 MH108 MH108 MH1Event Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base FCollection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/23/2

Total Stormwater Flow (L)8 498700 2541000 1168000 756700 955000 585Metals - Total (ug/L)Arsenic EPA200.8 36 MWC 1.6 1.6 0.9 1.6 1 Cadmium EPA200.8 9.3 MWC 15.9 0.6 0.3 0.5 0.2 U 

Calcium SW6010B 27800 6010 8850 9580 10400 42Chromium EPA200.8 57 FC 2.65 3.4 0.60 2.2 0.70 Copper EPA200.8 3.1 MWC 8.8 33.2 12.1 27.5 9.7 Lead EPA200.8 8.1 MWC 3.0 14 1.0 10 1.0 

Magnesium SW6010B 7200 1460 2030 2500 2760 10Mercury SW7470A 0.012 FC 0.1 U 0.1 U 0.1 U 0.1 U 0.1 U Nickel EPA200.8 8.2 MWC 2.1 5.1 1.2 2.8 1.6 Selenium EPA200.8 5 FC1 5.1 0.5 U 0.5 U 0.5 U 0.5 U 

Silver EPA200.8 1.9 MWA 0.04 U 0.2 U 0.2 U 0.2 U 0.2 U Zinc EPA200.8 81 MWC 63.8 114 73 103 63 

Metals - Dissolved (ug/L)Arsenic EPA200.8 36 MWC 0.95 U 0.4 0.5 0.6 0.4 Cadmium EPA200.8 9.3 MWC 0.2 U 0.2 U 0.2 0.2 U 0.2 U Calcium SW6010B NA NA NA NA Chromium EPA200.8 57 FC 1.05 0.5 U 0.5 U 0.5 U 0.5 U Copper EPA200.8 3.1 MWC 9.35 3.7 7.7 11 7.5 

Lead EPA200.8 8.1 MWC 0.2 U 1 U 1 U 1 U 1 U Magnesium SW6010B NA NA NA NA Mercury SW7470A 0.012 FC 0.02 U 0.02 U NA 0.02 U 0.02 U 

Nickel EPA200.8 EPA200.8 8.2 MWC 1.65 0.8 1.1 1.3 1.1 Selenium EPA200.8 5 FC1 1 U 0.5 U 0.5 U 0.5 U 0.5 U Silver EPA200.8 1.9 MWA 0.04 U 0.2 U 0.2 U 0.2 U 0.2 U Zinc EPA200.8 81 MWC 33.6 52 59 59 44 PCBs (ug/L)Aroclor 1221 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1232 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1242 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1016 SW8082 0.01 U 0.01 U 0.01 U 0.01 U 0.01 U Aroclor 1248 SW8082 0.075 0.1 U 0.038 Y 0.1 Y 0.05 Y Aroclor 1254 SW8082 0.07 0.096 0.027 0.093 0.046 Aroclor 1260 SW8082 0.01 U 0.023 0.01 U 0.015 0.01 U Aroclor 1262 SW8082 NA NA NA NA NA Aroclor 1268 SW8082 NA NA NA NA NA Total PCBs 0.014 FC 0.145 0.119 0.027 0.108 0.046 

Page 1 of 5
Table 9

Summary of Results for Whole Water Samples at LS431

Sample ID MH108 MH108 MH108 MH108 MH108 MH1Event Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base FCollection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/23/2

PAHs (ug/L)Naphthalene SW8270DSIM 0.27 0.024 0.014 U 0.029 0.012 0Acenaphthylene SW8270DSIM 0.01 0.01 U 0.01 U 0.01 U 0.01 U Acenaphthene SW8270DSIM 990 HHO 0.013 0.01 U 0.01 U 0.01 U 0.01 U 0Fluorene SW8270DSIM 5300 HHO 0.016 0.016 0.01 U 0.012 0.01 U Phenanthrene SW8270DSIM 0.034 0.26 0.064 0.19 0.022 Anthracene SW8270DSIM 40,000 HHO 0.01 U 0.022 0.01 U 0.013 0.01 U 1-Methylnaphthalene SW8270DSIM 0.28 0.013 0.01 Q 0.012 0.01 U 2-Methylnaphthalene SW8270DSIM 0.37 0.016 0.01 U 0.017 0.01 U Fluoranthene SW8270DSIM 140 HHO 0.044 0.56 0.12 0.44 0.074 Pyrene SW8270DSIM 4,000 HHO 0.026 0.4 0.053 0.25 0.037 Benzo(a)anthracene SW8270DSIM 0.018 HHO 0.01 U 0.15 0.01 U 0.069 0.01 U 

Chrysene SW8270DSIM 0.018 HHO 0.017 0.25 0.026 0.25 0.028 Benzo(b)fluoranthene SW8270DSIM 0.018 HHO 0.01 U 0.22 0.01 U 0.16 0.015 

Benzo(k)fluoranthene SW8270DSIM 0.018 HHO 0.01 U 0.22 0.01 U 0.16 0.015 

Benzo(a)pyrene SW8270DSIM 0.018 HHO 0.01 U 0.2 0.01 U 0.13 0.013 

Indeno(1,2,3-cd)pyrene SW8270DSIM 0.018 HHO 0.01 U 0.16 0.01 U 0.1 0.011 

Dibenz(a,h)anthracene SW8270DSIM 0.018 HHO 0.01 U 0.062 0.01 U 0.035 0.01 U 

Benzo(g,h,i)perylene SW8270DSIM 0.01 U 0.2 0.01 U 0.14 0.014 Total LPAH SW8270DSIM 0.34 0.32 0.064 0.24 0.034 0Total HPAH SW8270DSIM 0.087 2.4 0.2 1.7 0.21 Chlorinated Hydrocarbons (ug/L)1,3-Dichlorobenzene SW8260C 960 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 

1,4-Dichlorobenzene -Dichlorobenzene SW8260C SW8260C 190 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dichlorobenzene SW8260C 1,300 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2,4-Trichlorobenzene SW8260C 70 HHO 0.5 U 1 U 0.5 U 0.5 U 0.5 U Hexachlorobenzene SW8081B/8270D 0.00029 HHO 1 U 1 U 1 U 1 U 1 U Phthalates (ug/L)Dimethylphthalate SW8270D 1,100,000 HHO 1 U 1 U 1 U 1 U 1 U Diethylphthalate SW8270D 44,000 HHO 1 U 1 U 1 U 1 U 1 U Di-n-Butylphthalate SW8270D 4,500 HHO 1 U 1 U 1.3 1 U 1 U Di-n-Octyl phthalate SW8270D 1 U 1 U 1 U 1 U 1 U Butylbenzylphthalate SW8270D 1,900 HHO 1 U 1 U 1 U 1 U 1 U bis(2-Ethylhexyl)phthalate SW8270D 2.2 HHO 2.1 4.4 1 U 1 U 1.1 Phenols (ug/L)Phenol SW8270D 860,000 HHO 1 U 1 U 1 U 1 U 1 U 2-Methylphenol SW8270D 1 U 1 U 1 U 1 U 1 U 4-Methylphenol SW8270D 1 U 1 U 1 U 1 U 1 U 2,4-Dimethylphenol SW8270D 850 HHO 1 U 1 U 1 U 1 U 1 U Pentachlorophenol SW8270D 7.9 MWC 5 U 5 U 5 U 5 U 5 U 

Page 2 of 5
Table 9

Summary of Results for Whole Water Samples at LS431

Sample ID MH108 MH108 MH108 MH108 MH108 MH1Event Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base FCollection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/23/2

Miscellaneous Extractables (ug/L)Benzyl Alcohol SW8270D 5 U 5 U 5 U 5 U 5 U Benzoic Acid SW8270D 10 U 10 U 10 U 10 U 10 U Dibenzofuran SW8270DSIM 0.017 0.016 1 U 0.011 0.01 U Hexachlorobutadiene SW8081B/8260C 18 HHO 1 U 1 U 1 U 1 U 0.5 U N-Nitrosodiphenylamine SW8270D 6 HHO 1 U 5 U 5 U 5 U 5 U Volatile Organics (ug/L)Trichloroethene SW8260C 30 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,1,2-Tetrachloroethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,2,2-Tetrachloroethane SW8260C 4 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Ethylbenzene SW8260C 2,100 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U m, p-Xylene SW8260C 0.4 U 0.1 U 0.4 U 0.4 U 0.4 U o-Xylene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Miscellaneous 8260 VOCs (ug/L)Acrolein SW8260C 3 FWC 5 U 5 U 5 U 5 U 5 U Methyl Iodide SW8260C 1 U 1 U 1 U 1 U 1 U Bromoethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Acrylonitrile SW8260C 0.25 HHO 1 U 1 U 1 U 1 U 1 U 1,1-Dichloropropene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Dibromomethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dibromo-3-chloropropane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 1,2,3-Trichloropropane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U trans-1,4-Dichloro-2-butene SW8260C 1 U 1 U 1 U 1 U 1 U 1,3,5-Trimethylbenzene -Trimethylbenzene SW8260C SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2,4-Trimethylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Ethylene Dibromide SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Bromochloromethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2,2-Dichloropropane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,3-Dichloropropane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Isopropylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U n-Propylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Bromobenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2-Chlorotoluene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 4-Chlorotoluene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U tert-Butylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U sec-Butylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 4-Isopropyltoluene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U n-Butylbenzene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2,3-Trichlorobenzene SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U Chloromethane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U 

Page 3 of 5
Table 9

Summary of Results for Whole Water Samples at LS431

Sample ID MH108 MH108 MH108 MH108 MH108 MH1Event Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base FCollection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/23/2

Bromomethane SW8260C 0.5 U 0.5 U 0.5 U 0.5 U 0.5 U Vinyl Chloride SW8260C 2.4 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Chloroethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Methylene Chloride SW8260C 590 HHO 1.2 0.5 U 1.5 U 1.1 3.1 Acetone SW8260C 5.4 5 U 9 8.1 5 U Carbon Disulfide SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1-Dichloroethene SW8260C 7,100 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1-Dichloroethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U trans-1,2-Dichloroethene SW8260C 10,000 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U cis-1,2-Dichloroethene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Chloroform SW8260C 470 HHO 0.3 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dichloroethane SW8260C 37 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2-Butanone SW8260C 38 35 12 9 5 2-Butanone (grab) SW8260C 5 U NA NA NA NA 1,1,1-Trichloroethane SW8260C 16 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Carbon Tetrachloride SW8260C 1.6 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Vinyl Acetate SW8260C 1 U 1 U 1 U 1 U 1 U Bromodichloromethane SW8260C 17 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,2-Dichloropropane SW8260C 15 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U cis-1,3-Dichloropropene SW8260C 21 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Dibromochloromethane SW8260C 13 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,2-Trichloroethane SW8260C 16 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Benzene SW8260C 51 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U trans-1,3-Dichloropropene -Dichloropropene SW8260C SW8260C 21 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 2-Chloroethylvinylether SW8260C 1 U 1 U 1 U 1 U 1 U Bromoform SW8260C 140 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 4-Methyl-2-Pentanone (MIBK) SW8260C 5 U 5 U 5 U 5 U 5 U 

2-Hexanone SW8260C 5 U 5 U 5 U 5 U 5 U Tetrachloroethene SW8260C 3.3 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Toluene SW8260C 15,000 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Chlorobenzene SW8260C 1,600 HHO 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Styrene SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U Trichlorofluoromethane SW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U 1,1,2-Trichloro-1,2,2-trifluoroeSW8260C 0.2 U 0.2 U 0.2 U 0.2 U 0.2 U ConventionalspH PH 7.2 6.75 6.74 6.93 7.33 Alkalinity (mg/L) SM2320 86 22.5 32.9 38.7 46.3 Carbonate (mg/L) SM2320 1 U 1 U 1 U 1 U 1 U Bicarbonate (mg/L) SM2320 86 22.5 32.9 38.7 46.3 Hydroxide (mg/L) SM2320 1 U 1 U 1 U 1 U 1 U 

Page 4 of 5
Table 9

Summary of Results for Whole Water Samples at LS431

Sample ID MH108 MH108 MH108 MH108 MH108 MH1Event Criteria Criteria Event 6 Event 7 Event 8 Event 9 Event 10 Base FCollection Date Method Type 2/11/2010 3/29/2010 4/27/2010 5/20/2010 6/2/2010 2/23/2

Hardness as CaC03 - Dissolv SW6010B NA NA NA NA NA Hardness as CaC03 - Total (mSW6010B 88 21 30 34 37 

TSS (mg/L) EPA160.2 16.8 75.9 5.6 47.6 8.1 Chloride (mg/L) EPA300.0 4.1 1.3 1.9 2.5 1.7 Nitrate (mg/L) EPA300.0 0.7 0.2 0.4 0.3 0.4 Sulfate (mg/L) EPA300.0 14.2 2.9 5 4.9 5 DOC (mg/L) EPA415.1 3.78 1.97 3.07 5.4 3.18 TOC (mg/L) EPA415.1 4.7 3.35 3.6 6.72 3.74 MRLs reported for all undetected resultsGray highlighting indicates exceedance of the listed WQCGreen highlighting indicates chemical not detected at a reporting limit that exceeds the water quality criteriaPeach highlighting indicates data have not been received(a) Limit is based on total recoverable fraction of the metal(b) Chlorinated hydrocarbons analyzed by 8270DFC - Freshwater Chronic CriteraFA - Freshwater Acute CriteriaMWC - Marine Chronic CriteriaMWA - Marine Acute CriteriaHHO - Human Health Criteria, organisms only; based on dissolved contaminant conc'nsU - Target analyte not detected at the reported concentration.B - Analyte detected in an associated method blankJ - Estimated concentration when the value is less than established reporting limits.

Y -Equivalent to a U qualifier with a raised reporting limit Equivalent to a U qualifier with a raised reporting limit.

NA - Not analyzed

Page 5 of 5
Table 10

Summary of Results for Analysis by Grain Size Fractionation

Sample IDLocation IDComposite DateSize Fraction <63 μm LQ 63-250 μm LQ 250-500 μm LQ >500 μm LQ <63 μm LQ 63-250 μm LQ 250-500 μm LQ >500 μm LQ <63 μm LQ 63-25TOC in % DWTOC 8.01 6.02 2.2 3.46 10.2 3.33 1.02 2.36 7.85 PCBs in μg/kg DWAroclor-1221 65 U 64 U 64 U 64 U 44 U 32 U 32 U 48 U 55 U Aroclor-1232 65 U 64 U 64 U 64 U 44 U 32 U 32 U 48 U 55 U Aroclor-1242 65 U 64 U 64 U 64 U 44 U 32 U 32 U 48 U 55 U Aroclor-1016 65 U 64 U 64 U 64 U 44 U 32 U 32 U 48 U 55 U Aroclor-1248 330 Y 160 Y 97 Y 160 Y 330 Y 160 Y 63 Y 190 Y 410 Y Aroclor-1254 1100 520 240 610 600 300 150 710 980 Aroclor-1260 260 140 70 160 180 100 61 210 300 Total PCBs 1360 660 310 770 780 400 211 920 1280 Metals in mg/kg DWArsenic 70 U 8 U 6 U 7 U NA NA NA NA NA NA Cadmium 11 2.4 4.8 5.9 NA NA NA NA NA NA Chromium 99 23.3 16.6 29 NA NA NA NA NA NA Copper 213 40.6 19.9 50.2 NA NA NA NA NA NA Lead 340 54 28 105 NA NA NA NA NA NA Mercury 0.3 0.07 0.05 0.12 NA NA NA NA NA NA Silver 4 U 0.5 U 0.4 U 0.4 U NA NA NA NA NA NA Zinc 1120 209 157 262 NA NA NA NA NA NA LPAH in ug/kg DWNaphthalene NA NA NA NA 110 U 15 U 6.6 48 U 53 Acenaphthylene NA NA NA NA 110 U 15 U 4.7 U 48 U 35 U Acenaphthene NA NA NA NA 110 U 16 6.2 48 U 35 U Fluorene NA NA NA NA 110 U 18 7.1 48 U 39 Phenanthrene NA NA NA NA 740 290 68 300 930 

4/1/2010 5/27/2010 

LS431V-Comp-1-S LS431V-Comp-3-S 

LS431 Vault LS431 Vault 

Anthracene NA NA NA NA 110 U 36 17 96 64 2-Methylnaphthalene NA NA NA NA 110 U 15 U 4.7 U 48 U 35 U Total LPAH NA NA NA NA 740 360 104.9 396 1086 HPAH in ug/kg DWFluoranthene NA NA NA NA 2100 800 210 1300 3000 Pyrene NA NA NA NA 1600 590 180 1200 1800 Benzo(a)anthracene NA NA NA NA 480 250 89 650 510 Chrysene NA NA NA NA 1900 550 140 920 2400 Benzo(b)fluoranthene NA NA NA NA 1200 390 98 740 1400 Benzo(k)fluoranthene NA NA NA NA 1200 390 98 740 1400 Benzo(a)pyrene NA NA NA NA 850 380 100 1000 990 Indeno(1,2,3-cd)pyrene NA NA NA NA 960 320 84 740 1000 Dibenz(a,h)anthracene NA NA NA NA 320 130 40 290 330 Benzo(g,h,i)perylene NA NA NA NA 1200 Q 430 97 870 1400 Total HPAH NA NA NA NA 11810 4230 1136 8450 14230 Notes:U: The compound was analyzed for, but was not detected ("non-detect") at or above the MDL. Y: The analyte is not detected, but the reporting limit has been raised due to chromatographic interference.

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Table 11

Summary of Results for Parking Lot Surface Solids Samples

Location ID D283A D434AN D434AS D435BN D435BS D436A

Collection Date Method LAET 2LAET 7/13/2010 7/13/2010 7/13/2010 7/13/2010 7/13/2010 7/13/2010

Total Solids (% ww) EPA160.3 99.3 99.8 99.6 99.3 99.2 99.6

Total Organic Carbon (% DW) PLUMB81 12.8 6.83 11 9.23 8.29 9.17

Grain Size (%)

Gravel PSEP-PS 4.1 12.2 11.9 6.9 2.8 16.6

Very Coarse Sand PSEP-PS 8.4 20.1 17.8 11 7.6 13.5

Coarse Sand PSEP-PS 17.7 28.3 23.4 24.2 15.8 17.6

Medium Sand PSEP-PS 29 19.7 22.9 28.7 27.8 23

Fine Sand PSEP-PS 19.1 8 11.6 13.5 18.5 14.6

Very Fine Sand PSEP-PS 10 4.1 5 5.5 10.2 7

Coarse Silt PSEP-PS 4.9 3.7 3.3 4.5 5.1 4.6

Medium Silt PSEP-PS 4.2 2.8 2.6 3.5 7.8 2.2

Fine Silt PSEP-PS 1.5 0.8 0.9 1.3 2.6 0.7

Very Fine Silt PSEP-PS 0.6 0.3 0.4 0.5 0.9 0.3

Clay PSEP-PS 0.5 0.2 0.3 0.5 0.8 0.2

Total Fines PSEP-PS 11.7 7.8 7.5 10.3 17.2 7.9

Metals in mg/kg DW

Arsenic SW6010B 57 93 18 9 20 20 30 40

Cadmium SW6010B 5.1 6.7 2.4 1.2 1.5 3 3.4 3.2

Chromium SW6010B 260 270 128 62.8 69.5 120 105 137

Copper SW6010B 390 390 110 62 104 146 128 97.3

Lead SW6010B 450 530 427 75 126 252 292 387

Mercury SW7471A 0.41 0.59 0.12 0.03 0.05 0.08 0.08 0.05

Silver SW6010B 6.1 6.1 0.3 U 0.3 U 0.3 U 0.7 U 0.7 U 0.7 U

Zinc SW6010B 410 960 585 466 684 756 724 652

PCBs in mg/kg DW

Aroclor-1221 SW8082 0.025 U 0.019 U 0.019 U 0.019 U 0.019 U 0.019 U

Aroclor-1232 SW8082 0.025 U 0.019 U 0.019 U 0.019 U 0.019 U 0.019 U

Aroclor-1242 SW8082 0.025 U 0.019 U 0.019 U 0.019 U 0.019 U 0.019 U

Aroclor-1016 SW8082 0.025 U 0.019 U 0.019 U 0.019 U 0.019 U 0.019 U

Aroclor-1248 SW8082 0.074 Y 0.026 0.053 0.048 0.043 0.048 Y

Aroclor-1254 SW8082 0.16 0.042 0.065 0.076 0.070 0.089

Aroclor-1260 SW8082 0.18 0.048 0.087 0.19 0.14 0.11

Total PCBs SW8082 0.13 1.0 0.34 0.116 0.205 0.314 0.253 0.199

PAHs in mg/kg DW

Naphthalene SW8270DSIM 2.1 2.4 0.050 U 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

Acenaphthylene SW8270DSIM 1.3 1.3 0.050 U 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

Acenaphthene SW8270DSIM 0.50 0.73 0.050 U 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U p

Fluorene SW8270DSIM 0.54 1.0 0.050 U 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

Phenanthrene SW8270DSIM 1.5 5.4 0.72 0.22 0.28 0.22 0.12 0.37

Anthracene SW8270DSIM 0.96 4.4 0.050 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

1-Methylnaphthalene SW8270DSIM 0.050 U 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

2-Methylnaphthalene SW8270DSIM 0.67 1.4 0.050 U 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

Fluoranthene SW8270DSIM 1.7 2.5 1.5 0.44 0.62 0.45 0.23 0.75

Pyrene SW8270DSIM 2.6 3.3 1.4 0.37 0.56 0.39 0.20 0.64

Benzo(a)anthracene SW8270DSIM 1.3 1.6 0.42 0.11 0.15 0.12 0.064 0.17

Chrysene SW8270DSIM 1.4 2.8 0.68 0.21 0.28 0.24 0.12 0.34

Total Benzofluoranthenes SW8270DSIM 3.2 3.6 1.3 0.34 0.53 0.40 0.21 0.61

Benzo(a)pyrene SW8270DSIM 1.6 3.0 0.54 0.13 0.21 0.16 0.087 0.24

Indeno(1,2,3-cd)pyrene SW8270DSIM 0.6 0.69 0.22 0.050 0.086 0.082 0.048 0.086

Dibenz(a,h)anthracene SW8270DSIM 0.23 0.54 0.055 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

Benzo(g,h,i)perylene SW8270DSIM 0.67 0.72 0.22 0.068 0.11 0.12 0.064 0.10

Total LPAH1 SW8270DSIM 5.2 13 0.77 0.22 0.28 0.22 0.12 0.37

Total HPAH2 SW8270DSIM 12 17 6.34 1.72 2.55 1.96 1.02 2.94

Dibenzofuran SW8270DSIM 0.54 0.70 0.050 U 0.046 U 0.045 U 0.046 U 0.023 U 0.046 U

MRLs reported for all undetected results

Gray highlighting indicates exceedance of the SQS/LAET

Red highlighting indicates exceedance of the CSL/2LAET

NA - Not available

1. Total LPAH were calculated as the sum of acenaphthene, acenaphthylene, anthracene, fluorene, naphthalene, and phenanthrene

U - Target analyte not detected at the reported concentration.

B - Analyte detedted in an associated method blank

J - Estimated concentration when the value is less than established reporting limits.

Y - Equivalent to a U qualifier with a raised reporting limit.

SQS/LAET - Sediment Quality Standards/Lowest Apparent Effects Threshold

CSL/2LAET - Cleanup Screening Level/Second Lowest Apparent Effects Threshold

2. Total HPAH were calculated as the sum of benzo(a)anthracene, benzo(a)pyrene, benzo(g,h,i)perylene, total benzofluoranthenes, chrysene, dibenzo(a,h)anthracene, 

fluoranthene, indeno(1,2,3-cd)pyrene, and pyrene

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