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Analytical Data Client: Hercules Inc. Job Number: 680-36879-1 Client Sample ID: HER-FD2-051 508 Lab Sample ID: 680-36879-29FD Date Sampled: 05115/2008 0000 Client Matrix: Water Date Received: 05/17/2008 0945 8260B Volatile Organic Compounds by GCIMS Method: 8260B Analysis Batch: 680-107254 Instrument ID: GCIMS Volatiles -0 C2 Preparation: 5030B Lab File ID: o2924.d Dilution: 50 Initial WeightNolume: 5 mL Date Analyzed: 05I28/2008 1822 Run Type: DL Final WeightNolume: 5 mL Date Prepared: 05/28)2008 1822 Analyte Result (ug/L) Qualifier RL U Acetone <1200 1200 Acetonitrile <2000 2000 Acrolein <1000 1000 Acrylonitrile <1000 1000 Benzene 750 0 50 Dichlorobromomethane <50 50 Bromoform <50 50 [ Bromomethane <50 50 2-Butanone (MEK) <500 500 Carbon disulfide <100 100 Carbon tetrachloride 2800 D 50 Chlorobenzene <50 50 Chloroethane <50 50 Chloroform 290 D 50 Chloromethane <50 50 2-Chloro-1,3-butadiene <50 50 3-Chloro-1-propene <50 50 Chlorodibromomethane <50 50 1 2-Dibromo-3-Chloropropane <50 50 [1 Ethylene Dibromide <50 50 Dibromomethane <50 50 trans-i ,4-Dichloro-2-butene <100 100 Dichlorodifluoromethane <50 50 i,i-Dichloroethane <50 50 1 ,2-Dichloroethane <50 50 1 ,1-Dichloroethene <50 50 cis-1,2-Dichloroethene <50 50 trans-i ,2-Dichloroethene <50 50 1 ,2-Dichloropropane <50 50 cis-i3-Dichloropropene <50 50 trans-i 3-Dichloropropene <50 50 Ethylbenzene <50 50 Ethyl methacrylate <50 50 2-Hexanone <500 500 lodomethane <250 250 Isobutyl alcohol <2000 2000 Methacrylonitrile <1000 1000 Methylene Chloride <250 250 Methyl methacrylate <50 50 4-Methyl-2-pentanone (MIBK) <500 500 Pentachloroethane <250 250 Propionitrile <1000 1000 Styrene <50 50 ii,1,2-Tetrachloroethane <50 50 TestAmericaSavannah Page 73 of 120

8260B Volatile Organic Compounds by GCIMS Method: 8260B

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Analytical DataClient: Hercules Inc.

Job Number: 680-36879-1Client Sample ID: HER-FD2-051 508

Lab Sample ID: 680-36879-29FDDate Sampled: 05115/2008 0000Client Matrix: WaterDate Received: 05/17/2008 0945

8260B Volatile Organic Compounds by GCIMSMethod: 8260B Analysis Batch: 680-107254 Instrument ID: GCIMS Volatiles -0 C2Preparation: 5030B

Lab File ID: o2924.dDilution: 50Initial WeightNolume: 5 mLDate Analyzed: 05I28/2008 1822 Run Type: DL Final WeightNolume: 5 mLDate Prepared: 05/28)2008 1822

Analyte Result (ug/L) Qualifier RLU Acetone<1200 1200Acetonitrile <2000

2000Acrolein<1000

1000Acrylonitrile <10001000Benzene

750 0 50Dichlorobromomethane <5050Bromoform

<5050[ Bromomethane <50502-Butanone (MEK) <500500Carbon disulfide <100100Carbon tetrachloride 2800 D 50Chlorobenzene <5050Chloroethane

<5050Chloroform

290 D 50Chloromethane <50502-Chloro-1,3-butadiene <50503-Chloro-1-propene <5050Chlorodibromomethane <50501 2-Dibromo-3-Chloropropane <5050[1 Ethylene Dibromide <5050Dibromomethane <5050trans-i ,4-Dichloro-2-butene <100100Dichlorodifluoromethane <5050i,i-Dichloroethane <50501 ,2-Dichloroethane <50501 ,1-Dichloroethene <5050cis-1,2-Dichloroethene <5050trans-i ,2-Dichloroethene <50501 ,2-Dichloropropane <5050cis-i3-Dichloropropene <5050trans-i 3-Dichloropropene <5050Ethylbenzene

<5050Ethyl methacrylate <50502-Hexanone

<500500lodomethane

<250250Isobutyl alcohol <20002000Methacrylonitrile <10001000Methylene Chloride <250250Methyl methacrylate <50504-Methyl-2-pentanone (MIBK) <500500Pentachloroethane <250250Propionitrile

<10001000Styrene

<5050ii,1,2-Tetrachloroethane <5050

TestAmericaSavannah Page 73 of 120

Analytical DataClient: Hercules Inc.

Job Number: 680-36879-1Client Sample ID: HER-FD2-051508

Lab Sample ID: 680-36879-29FDDate Sampled: 05/15/2008 0000Client Matrix: WaterDate Received: 05/17/2008 0945

8260B Volatile Organic Compounds by GC!MSMethod: 8260B Analysis Batch: 680-1 07254 Instrument ID: GCIMS Volatiles -0 C2Preparation: 5030B

Lab File ID: o2924.cJDilution: 50Initial WeightNolume: 5 mLDate Analyzed: 05/2812008 1822 Run Type: DL Final WeightNolume: 5 mLDate Prepared: 05/28/2008 1822

flAnalyte

Result (ug/L) Qualifier RL11,22-Tetrachloroethane <5050Tetrachloroethene <5050Toluene

<5050n 11,1-Trichloroethane <50501,1,2-Trichloroethane <5050Trichloroethene <5050Trichlorofluoromethane <5050[ 1,2,3-Trichloropropane <5050Vinyl acetate <100100Vinyl chloride <5050Xylenes, Total <100100

Surrogate %Rec Acceptance Limits4-Bromofluorobenzene 104 75- 120Dibromofluoromethane 112 75- 121Toluene-d8 (Surr) 102 75- 120

TestAmericaSavannah Page 74 of 120

Analytical DataClient: Hercules Inc.

Job Number: 680-36879-1

Client Sample ID: TBI

Lab Sample ID: 680-36879-3OTB Date Sampled: 05/15/2008 0000Client Matrix: Water Date Received: 05/17/2008 0945

8260B Volatile Organic Compounds by GCIMS[ Method: 8260B Analysis Batch: 680-1 07136 Instrument ID: CC/MS Volatiles -0Preparation: 50308 Lab File ID: o2875.dDilution: 1.0Initial Weight/Volume: 5 mLDate Analyzed: 05/27/2008 1535Final Weight/Volume: 5 mLDate Prepared: 05/27/2008 1535

Analyte Result (ug/L) Qualifier RLAcetone <25 25U Acetonitrile <40 40Acrolein <20 20Acrylonitrile <20 20U Benzene <1.0 1.0Dichlorobromomethane <1.0 1.0Bromoform <1.0 1.0[ Bromomethane <1.0 1.02-Butanone (MEK) <10 10Carbon disultide <2.0 2.0Carbon tetrachloride <1.0 1.0Chlorobenzene <1.0 1.0Chloroethane <1.0 1.0Chloroform <1.0 1.0Chloromethane <1.0 1.02-Chloro-1,3-butadiene <1.0 1.03-Chloro-1-propene <1.0 1.0Chlorodibromomethane <1.0 1.01 ,2-Dibromo-3-Chloropropane <1.0 1.0fl Ethylene Dibromide <1.0 1.0Dibromomethane <1.0 1.0trans-i ,4-Dichloro-2-butene <2.0 2.0Dichlorodifluoromethane <1.0 1.0fl il-Dichloroethane <1.0 1.01,2-Dichloroethane <1.0 1.0il-Dichloroethene <1.0 1.0cis-1 2-Dichloroethene <1.0 1.0trans-i2-Dichloroethene <1.0 1.01 ,2-Dichloropropane <1.0 1.0cis-1 3-Dichloropropene <1.0 1.0[ trans-i 3-Dichloropropene <1.0 1.0Ethylbenzene <1.0 1.0Ethyl methacrylate <1.0 1.02-Hexanone <10 10

Ulodomethane <5.0 5.0Isobutyl alcohol <40 40Methacrylonitrile <20 20Methylene Chloride <5.0 5.0Methyl methacrylate <1.0 1.04-Methyl-2-pentanone (MIBK) <10 10Pentachloroethane <5.0 5.0Propionitrile <20 20Styrene <1.0 1.01112-Tetrachloroethane <1 0 1.0

TestAmerica Savannah Page 75 of 120

Analytical DataClient: Hercules Inc.

Job Number: 680-36879-1Client Sample ID: TBI

Lab Sample ID: 680-36879-3OTBDate Sampled: 05/15)2008 0000Client Matrix: WaterDate Received: 05)17)2008 0945

82608 Volatile Organic Compounds by GC/MSMethod: 8260B Analysis Batch: 680-107136 Instrument ID: GC/MS Volatiles -0Preparation: 50308

Lab File ID: o2875.dDilution: 1.0Initial WeightNolume: 5 mLDate Analyzed: 05/27/2008 1535Final WeightNolume: 5 mLDate Prepared: 05/27/2008 1535

Analyte Result (ugIL) Qualifier RL1,122-Tetrachloroethane <1.01.0Tetrachloroethene <1.01.0Toluene

<1.01.0F9 1,1,1-Trichloroethane <1.01.01,1 2-Trichloroethane <1.01.0Trichloroethene <1.01.0Trichlorofluoromethane <1.01.0U 123-Trichloropropane <1.01.0Vinyl acetate <2.0 2.0Vinyl chloride <1.01.0Xylenes, Total <2.0 2.0

Surrogate %Rec Acceptance Limits4-Bromofluorobenzene 101 75- 120Dibromofluoromethane 105 75- 121Toluene-d8 (Surr) 100 75- 120

TestAmerica Savannah Page 76 of 120

Analytical DataClient: Hercules Inc.

Job Number: 680-36879-1

Client Sample ID: TB2

Lab Sample ID: 680-36879-31TB Date Sampled: 05/15/2008 0000Client Matrix: Water Date Received: 05/17/2008 0945

8260B Volatile Organic Compounds by GC/MS

Method: 826DB Analysis Batch: 680-1 071 36 Instrument ID: GC/MS Volatiles -0Preparation: 503DB Lab File ID: o2877.dDilution: 1.0 Initial WeightNolume: 5 mLDate Analyzed: 05/27/2008 1604 Final WeightNolume: 5 mLDate Prepared: 05/27/2008 1604

r.JAnalyte Result (ug/L) Qualifier RLAcetone <25 25Acetonitrile <40 40Acrolein <20 20

U Acrylonitrile <20 20Benzene <1.0 1.0Dichlorobromomethane <1.0 1.0Bromotorm <1.0 1.0fl Bromomethane <1.0 1.0[J 2-Butanone (MEK) <10 10Carbon disulfide <2.0 2.0Carbon tetrachloride <1.0 1.0Chlorobenzene <1.0 1.0Chloroethane <1.0 1.0Chloroform <1.0 1.0Chloromethane <1.0 1.02-Chloro-1,3-butadiene <1.0 1.03-Chloro-1-propene <1.0 1.0Chlorodibromomethane <1.0 1.01 2-Dibromo-3-Chloropropane <1.0 1.0Ethylene Dibromide <1.0 1.0Li Dibromomethane <1.0 1.0trans-i ,4-Dichloro-2-butene <2.0 2.0

UDichlorodittuoromethane <1.0 1.0il-Dichloroethane <1.0 1.0i,2-Dichloroethane <1.0 1.0li-Dichloroethene <1.0 1.0cis-i 2-Dichloroethene <1.0 1.0O trans-i ,2-Dichloroethene <1.0 1.01,2-Dichloropropane <1.0 1.0cis-i,3-Dichloropropene <1.0 1.0

Utrans-i 3-Dichloropropene <1.0 1.0Ethylbenzene <1.0 1.0Ethyl methacrylate <1.0 1.02-Hexanone <10 10

Llodomethane <5.0 5.0Isobutyl alcohol <40 40Methacrylonitrile <20 20Methylene Chloride <5.0 5.0

fl Methyl methacrylate <1.0 1.04-Methyl-2-pentanone (MIEK) <10 10Pentachloroethane <5.0 5.0Propionitrile <20 20Styrene <1.0 1.01,1,1 ,2-Tetrachloroethane <1.0 1.0

TestAmericaSavannah Page 77 of 120

AnaIytcal DataClient: Hercules Inc.

Job Number: 680-36879-1

Client Sample ID: TB2

Lab Sample ID: 680-36879-31TB Date Sampled: 05/1512008 0000Client Matrix: Water Date Received: 05/17/2008 0945

8260B Volatile Organic Compounds by GCIMSMethod: 8260B Analysis Batch: 680-1 07136 Instrument ID: GC/MS Volatiles -0Preparation: 5030B

Lab File ID: o2877.dDilution: 1.0 Initial WeightlVolume: 5 mLDate Analyzed: 05/27/2008 1604Final WeightNolume: 5 mLDate Prepared: 05/27/2008 1604

flAnalyte Result (ug/L) Qualifier RL112,2-Tetrachloroethane <1.0 1.0Tetrachloroethene <1.0 1.0Toluene <1.0 1.01,1,1-Trichloroethane <1.0 1.0U 1,1,2-Trichloroethane <1.0 1.0Trichloroethene <1.0 1.0Trichlorofluoromethane <1.0 1.01,2,3-Trichloropropane <1.0 1.0Vinyl acetate <2.0 2.0Vinyl chloride <1.0 1.0Xylenes, Total <2.0 2.0

Surrogate %Rec Acceptance Limits4-Bromofluorobenzene 102 75- 120Dibromofluoromethane 106 75- 121Toluene-d8 (Surr) 101 75- 120

TestAmericaSavannah Page 78 of 120

DATA REPORTING QUALIFIERS

Client: Hercules Inc.Job Number: 680-36879-1

Lab Section Qualifier Description

GC/MS VOA

* LCS or LCSD exceeds the control limits

F MS or MSD exceeds the control limits

E Result exceeded calibration range, secondary dilutionrequired.

F RPD of the MS and MSD exceeds the control limits

H Sample was prepped or analyzed beyond the specifiedholding time

X Surrogate exceeds the control limits

U Surrogate or matrix spike recoveries were not obtainedbecause the extract was diluted for analysis; also compoundsanalyzed at a dilution may be flagged with a D.

0TestAmerica Savannah

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LIEl0ElElElF:o QUALITY CONTROL RESULTS

ElEl00

LILIUIUElEl0LI

TestAmerjca Savannah

Page 80 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

QC Association Summary

ReportLab Sample ID Client Sample ID Basis Client Matrix Method Prep Batch

GCIMSVOAAnalysis Batch:680-107019LCS 680-107019/13 Lab Control Spike T Water 826DBMB 680-107019/14 Method Blank T Water 826DB680-36879-8RB HER-RS2-0514D8 T Water 826DB680-36879-10 HER-MWO4-D51408 T Water 826DB680-36879-11 HER-MWO3-D51408 T Water 826DB680-36879-12 HER-MWO2-D51408 T Water 826DB

Analysis Batch:680-107071LCS 680-1 07071123 Lab Control Spike T Water 826DBMB 680-1 07071/25 Method Blank T Water 8260B680-36879-1 HER-CM0O-051308 T Water 826DB680-36879-2 HER-CMO1-D513D8 T Water 826DB680-36879-3 HER-CMD2-051308 T Water 826DB680-36879-4 HER-CMO3-051 308 T Water 826DB680-36879-5 HER-CMO4-051308 T Water 826DB680-36879-6 HER-CMO5-051308 T Water 826DB

O D680-36879-7RB HER-RS1-D513D8 T Water 826DB68D-36879-9RB HER-RS3-D51 508 T Water 826DB680-36879-15 HER-MWO7-051508 T Water 826DB680-36879-16 HER-MWO8-D516D8 T Water 826DB680-36879-17 HER-MWD9-D516D8 T Water 826DB680-36879-21 HER-MW13-0515D8 T Water 8260B680-36879-22 HER-MW14-0515D8 T Water 826DB

Analysis Batch:680-107136LCS 680-107136/6 Lab Control Spike T Water 826DBMB 680-107136/8 Method Blank T Water 826DB68D-36879-16DL HER-MWD8-0516D8 T Water 826DBU 68D-36879-21DL HER-MWi 3-051508 T Water 826DB680-36879-23 HER-MW15-051508 T Water 826DB680-36879-24 HER-MW16-051508 T Water 826DB68D-36879-24MS Matrix Spike T Water 826DB68D-36879-24MSD Matrix Spike Duplicate T Water 826DB680-36879-25 HER-MW17-0516D8 T Water 826DB68D-36879-29FD HER-FD2-0515D8 T Water 826DB68D-36879-3DTB TB1 T Water 826DB68D-36879-31TB TB2 T Water 82608

TestAmerica Savannah

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Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

QC Association Summary

ReportLab Sample ID Client Sample ID Basis Client Matrix Method Prep BatchGCIMS VOA

Analysis Batch:680-107154LCS 680-1071 54/1 Lab Control Spike T Water 826DB

J MB 680-1 071 54/10 Method Blank T Water 82608680-36879-1 1MS Matrix Spike T Water 826DB680-36879-11 MSD Matrix Spike Duplicate T Water 826DB680-36879-13 HER-MWO5-051408 T Water 826DB680-36879-14 HER-MWD6-D51408 T Water 826DB680-36879-18 HER-MWi 0-051408 T Water 82608680-36879-19 HER-MW11-D514D8 T Water 82608680-36879-20 HER-MW12-0514D8 T Water 826DBU 680-36879-26 HER-MW18-D51408 T Water 82608680-36879-27 HER-MWi 9-051408 T Water 826DB680-36879-28FD HER-FD1-D51408 T Water 826DB

Analysis Batch:680-107254LCS 680-107254/6 Lab Control Spike T Water 826DBMB 680-107254/8 Method Blank T Water 8260B680-36879-29FDDL HER-FD2-051508 T Water 826DB

Analysis Batch:680-107282LCS 680-107282/5 Lab Control Spike T Water 82608MB 680-107282/7 Method Blank T Water 826DB68D-36879-25DL HER-MW17-D51608 T Water 626DB

Analysis Batch:680-107519

J LCS 680-107519/9 Lab Control Spike T Water 826DBMB 680-107519/11 Method Blank T Water 826DB68D-36879-22DL HER-MW14-D51508 T Water 826DB

Report BasisT = Tota’

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Quality Control ResultsClient: Hercules Inc.

Surrogate Recovery Report

Job Number: 680-36879-1

8260B Volatile Organic Compounds by GCIMS

Client Matrix: Water

680-36879-17

680-36879-18

Li680-36879-19

680-36879-20

680-36879-21

680-36879-21 DL

680-36879-22

680-36879-22 DL

HER-MWO9-051 608

HER-MW1 0-05 1408

HER-MW1 1-051408

HER-MW1 2-05 1408

HER-MW1 3-051508

HER-MW1 3-051508DL

HER-MW14-051508

HER-MW14-051508DL

97 97 100

104 105 103

104 108 102

104 106 102

97 97 103

105 101 101

96 122X 99

106 109 104

TestAmerica Savannah

BFB DBFM TOLfl Lab Sample ID Client Sample ID %Rec %Rec %RecLi 680-36879-1 HER-CMOO-051308 96 98 99

680-36879-2 HER-CMO1-051308 99 100 98

Li 680-36879-3 HER-CMO2-051 308 97 99 98680-36879-4 HER-CMO3-051308 97 100 100680-36879-5 HER-CMO4-051308 95 99 102

O 680-36879-6 HER-CMO5-051308 97 101 100680-36879-7 HER-RS1 -051 308 98 99 101680-36879-8 HER-RS2-051408 103 105 102fl 680-36879-9 HER-RS3-051508 97 99 79U 680-36879-10 HER-MWO4-051408 111 104 101680-36879-11 HER-MWO3-051408 101 104 102680-36879-12 HER-MWO2-051408 102 105 101680-36879-13 HER-MWO5-051408 103 106 104680-36879-14 HER-MWO6-051408 104 104 102680-36879-15 HER-MWO7-051508 98 97 100680-36879-16 HER-MWO8-051608 99 100 100680-36879-16 DL HER-MWO8-051608 102 107 101

DL

Surrogate

680-36879-23 HER-MW15-051508 101 106 100680-36879-24 HER-MWi 6-051508 100 104 100680-36879-25 HER-MW17-051608 99 105 101

BFB = 4-BromofluorobenzeneDBFM DibromofluoromethaneTOL = Toluene-d8 (Surr)

Acceptance Limits75-12075-12175-120

Page 83 of 120

Quality Control ResultsClient: Hercules Inc.

Job Number: 680-36879-1

Surrogate Recovery Report

8260B Volatile Organic Compounds by GC/MS

Client Matrix: Water

BFB DBFM TOLLab Sample_ID Client_Sample ID %Rec %Rec %Rec680-36679-25 DL HER-MW17-051608 101 110 99

DL[ 680-36879-26 HER-MW18-051408 106 105 104680-36879-27 HER-MW19-051408 106 105 105680-36879-28 HER-FD1-051408 109 107 104

U680-36879-29 HER-FD2-051508 102 135X 108680-36879-29 DL HER-FD2-051508 DL 104 112 102680-36879-30 TB1 101 105 100

fl 680-36879-31 TB2 102 106 101

Li MB 680-107019/14 104 107 103MB68D-107071125 100 100 99[ MB 680-107136/8 102 105 101MB 680-107154/10 103 104 102MB 680-107254/8 102 111 100

[MB 680-107282/7 101 109 97MB 680-107519/11 104 121 100LCS68O-107019113 103 111 107LCS68O-107071123 101 101 97LCS68O-107136/6 99 103 96LCS68O-107154/1 120 109 115[ LCS68O-107254/6 98 114 97LCS68O-107282/5 101 110 96LCS68O-10751919 99 114 92680-36879-11 MS HER-MWO3-051408 108 114 110

MS680-36879-24 MS HER-MW1 6-051 508 93 101 91

MS680-36879-11 MSD HER-MWO3-051408 105 111 109

MSD680-36879-24 MSD HER-MWi 6-051 508 99 109 97

MSD

Surrogate Acceptance LimitsBFB = 4-Bromofluorobenzene 75-120DBFM = Dibromofluoromethane 75-121TOL = Toluene-d8 (Sun) 75-1 20

TestAmerica Savannah

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Quality Control Results

Client: Hercules Inc. Job Number: 680-36879-1

Method Blank - Batch: 680-107019 Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107019/14 Analysis Batch: 680-107019 Instrument ID: GC/MS Volatiles - A[ Client Matrix: Water Prep Batch: N/A Lab File ID: aq3ll.dDilution: 1.0 Units: ugiL Initial WeighllVolume: 5 mLDate Analyzed: 05/25/2008 0005 Final WeightNolume: 5 mLDate Prepared: 05/25/2008 0005

Analyte Result Qual RLAcetone <25 25Acetonitrile <40 40Acrolein <20 20

fl Acrylonitrile <20 20Beozene <1.0 1.0Dichlorobromomethane <1.0 1.0Bromoform <1.0 1.0[ Bromomethane <1.0 1.02-Butanone (MEK) <10 10Carbon disulfide <2.0 2.0Carbon tetrachloride <1.0 1.0

O Chlorobenzene <1.0 1.0Chloroethane <1.0 1.0Chloroform <1.0 1.0Chloromethane <1.0 1.02-Chloro-1,3-butadiene <1.0 1.03-Chloro-i-propene <1.0 1.0Chlorodibromomethane <1.0 1.01 ,2-Dibromo-3-Chloropropane <1.0 1.0Ethylene Dibromide <1.0 1.0Li Dibromomethane <1.0 1.0trans-i ,4-Dichloro-2-butene <2.0 2.0Dichlorodifluoromethane <1.0 1.01,1-Dichloroethane <1.0 1.0U 1,2-Dichloroethane <1.0 1.01,1-Dichloroethene <1.0 1.0cis-1,2-Dichloroethene <1.0 1.0

[J trans-1,2-Dichloroethene <1.0 1.01,2-Dichloropropane <1 0 1.0cis-i ,3-Dichloropropene <1.0 1.0

Otrans-1,3-Dichloropropene <1.0 1.0Ethylbenzene <1.0 1.0Ethyl methacrylate <1.0 1.02-Hexanone <10 10

L lodomethane <5.0 5.0Isobutyl alcohol <40 40Methacrylonitrile <20 20Methylene Chloride <5.0 5.0Methyl methacrylate <1.0 1.0

J 4-Methyl-2-pentanone (MIBK) <10 10Pentachloroethane <5.0 5.0

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 85 of 120

Quallty Control Results

Client: Hercules Inc.

Method Blank - Batch: 680-107019

Job Number: 680-36879-1

Method: 826DBPreparation: 5D30B

Lab Sample ID: MB 680-1 0701 9114Client Matrix: WaterDilution: 1.0Date Analyzed: 0512512008 0005Date Prepared: 05/25/2008 0005

Analysis Batch: 680-107019Prep Batch: N/AUnits: ug/L

Instrument ID: GC/MS Volatiles - ALab File ID: aq3ll.dInitial Weight/Volume: 5 mLFinal Weight/Volume: 5 mL

Analyte

PropionitrileStyrene1,1,1 2-Tetrachloroethane

fl 1,1 ,2,2-TetrachloroethaneTetrachloroetheneToluene1 1,1 -Trichloroethane1,1 ,2-TrichloroethaneTrichioroetheneTrichlorofluoromethane1 23-TrichloropropaneVinyl acetateVinyl chlorideXylenes, Total

Surrogate

4-BromofluorobenzeneDibromofluoromethaneToluene-d8 (Surr)

% Rec

104107103

Acceptance Limits

75- 12075- 12175-120

Calculations are performed before rounding to avoid round-off errors in calculated results.

Result Qual

<20<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0<2.0

RL

201.01.01.01.01.01.01.01.01.01.02.01.02.0

TestAmerica Savannah Page 86 of 120

Quality Control Results

Client: Hercules Inc.

Lab Control Spike - Batch: 680-107019

Job Number: 680-36879-1

Method: 8260BPreparation: 503DB

Lab Sample ID: LCS 680-107019/13Client Matrix: WaterDilution: 1.0Date Analyzed: 05/24/2008 2232Date Prepared: 05/24)2008 2232

Analysis Batch: 680-107019Prep Batch: N/AUnits: ug/L

Instrument ID: CC/MS Volatiles - ALab File ID: aq309.dInitial Weight/Volume: 5 mLFinal WeightNolume: 5 mL

Calculations are performed before rounding to avoid round-off errors in calculated results.

Analyte Spike Amount Result % Rec. Limit QualAcetone 100 97.9 98 17-175Benzene 50.0 50.8 102 77-119Dichlorobromomethane 50.0 52.8 106 78- 127

fl Bromoform 50.0 48.9 98 62- 133Bromomethane 50.0 68.4 137 12- 1842-Butanone (MEK) 100 106 105 33- 157Carbon disulfide 50.0 61.3 123 55- 131Carbon tetrachloride 50.0 49.3 99 71 - 135Chlorobenzene 50.0 49.6 99 85- 116Chloroethane 50.0 61.2 122 40- 165Chloroform 50.0 53.9 108 82- 120Chloromethane 50.0 50.2 100 48- 142Chlorodibromomethane 50.0 43.8 88 75- 133i,2-Dibromo-3-Chloropropane 50.0 45.8 92 49- 140Ethylene Dibromide 50.0 53.8 108 80- 121Dibromomethane 50.0 50.8 102 78- 119Dichlorodifluoromethane 50.0 58.2 116 34- 1541 ,1-Dichloroethane 50.0 46.6 93 74- 127

Ui ,2-Dichloroethane 50.0 47.0 94 66- 1321,1-Dichloroethene 50.0 50.7 101 62- 141cis-1,2-Dichloroethene 50.0 54.8 110 69- 134trans-1,2-Dichloroethene 50.0 50.4 101 72- 1311 2-Dichloropropane 50.0 49.6 99 73 - 124cis-13-Dichloropropene 50.0 45.7 91 76- 126trans-1,3-Dichloropropene 50.0 44.6 89 73- 128Ethylbenzene 50.0 50.5 101 86- 1162-Hexanone 100 99.4 99 34-161Melhylene Chloride 50.0 51.6 103 70- 1254-Methyl-2-pentanone (MIBK) 100 101 101 40- 151Styrene 50,0 52.1 104 82- 122

U 1,i,1,2-Tetrachloroethane 50.0 46.0 92 81 - 1281,1,2,2-Tetrachloroethane 50.0 504 101 69- 129Tetrachloroethene 50.0 50.6 101 76 - 126Toluene 50.0 53.7 107 81 - 1171,1,1-Trichloroethane 50.0 52.1 104 76- 1271,1,2-Trichloroethane 50.0 52.3 105 75- 121Trichloroethene 50.0 50.8 102 84- 115Trichlorofluoromethane 50.0 48.1 96 58 - 1491,2,3-Trichloropropane 50.0 50.2 100 70- 130Vinyl acetate 100 86.5 87 10- 217Vinyl chloride 50.0 58.1 116 59- 144

TestAmerica Savannah Page 87 of 120

Quality Control Results

Client: Hercules inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107019Method: 826DBPreparation: 503DB

Lab Sample ID: LCS 680-107019/13 Analysis Batch: 680-107019 lnstwment ID: GC/MS Volatiles - A[ Client Matrix: Water Prep Batch: N/A Lab File ID: aq309.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/24/2008 2232Final Weight/Volume: 5 mLDate Prepared: 05/24/2008 2232

Analyte Spike Amount Result % Rec. Limit QualXylenes, Total 150 152 101 84-118Surrogate

% Rec Acceptance Limitsfl 4-Bromofluorobenzene 103 75 - 120Li Dibromofluoromethane 111 75-121Toluene-d8 (Surr) 107 75- 120

0Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 88 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Method Blank - Batch: 680-107071Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107071)25 Analysis Batch: 680-107071 Instrument ID: GC/MS Volatiles -0[ Client Matrix: Water Prep Batch: N/A Lab File ID: oq425.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/25/2008 1215Final WeightNolume: 5 mLDate Prepared: 05/25/2008 1215

AnalyteResult Qual RL

Acetone<25

25Acetonitrile<40

40Acrolein<20

20fl Acrylonitrile<20

20LI Benzene<1.0

1.0Dichlorobromomethane <1.01.0Bromoform

<1.01.0[ Bromomethane <1.01.02-Butanone (MEK) <1010Carbon disulfide <2.02.0Carbon tetrachloride <1.01.0Chlorobenzene <1.01.0Chloroethane <1.01.0Chloroform

<1.01.0Chloromethane <1.01.0[1 2-Chloro-i ,3-butadiene <1.01.03-Chloro-1-propene <1.01.0Chlorodibromomethane <1.01.01 2-Dibromo-3-Chloropropane <1.01.0U Ethylene Dibromide <1.01.0Dibromomethane <1.01.0trans-i ,4-Dichloro-2-butene <2.02.0

UDichlorodifluoromethane <1.0

1.011-Dichloroethane <1.01.01 2-Dichloroethane <1.01.0i,1-Dichloroethene <1.01.0cis-1 ,2-Dichloroethene <1.01.0U trans-i ,2-Dichloroethene <1.01.01 ,2-Dichloropropane <1.01.0cis-1,3-Dichloropropene <1.01.0

[Itrans-i ,3-Dichloropropene <1.0

1.0Ethylbenzene <1.01.0Ethyl methacrylate <1.01.02-Hexanone <1010L lodomethane

<5.05,0lsobutyl alcohol <4040Methacrylonitrile <2020Methylene Chloride <5.05.0Methyl methacrylate <1.01.04-Methyl-2-pentanone (MIBK) <1010Pentachloroethane <5.05.0

Calculations are performed before rounding to avord round-off errors in calculated results.

TestAmericaSavannah Page 89 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Method Blank - Batch: 680-107071 Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107071/25 Analysis Batch: 680-107071 nstwment ID: GC/MS Volatiles -0[ Client Matrix: Water Prep Batch: N/A Lab File ID: oq425.dDilution: 1.0 Units: ug/L Initial Weight/Volume: 5 mLDate Analyzed: 05/25/2008 1215Final WeightNolume: 5 mLDate Prepared: 05/25(2008 1215

Analyte Result Qual RLPropionitrile <20 20Styrene <1.0 1.01,1,1 2-Tetrachloroethane <1.0 1.0fl 1,1,2,2-Tetrachloroethane <1.0 1.0LI Tetrachloroethene <1.0 1.0Toluene <1.0 1.01,1,1-Trichloroethane <1.0 1.0[ 1,1 ,2-Trichloroethane <1.0 1.0Trichloroethene <1.0 1.0Trichlorofluoromethane <1.0 1.012,3-Trichloropropane <1.0 1.0Vinyl acetate <2.0 2.0Vinyl chloride <1.0 1.0Xylenes, Total <2.0 2.0

Surrogate % Rec Acceptance Limits4-Bromofluorobenzene 100 75- 120Dibromofluoromethane 100 75- 121Toluene-d8 (Surr) 99 75 - 120

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 90 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107071Method: 8260BPreparation: 50308

Lab Sample ID: LCS 680-107071/23 Analysis Batch: 680-107071 Instrument ID: GC(MS Volatiles -0Client Matrix: Water Prep Batch: N/A Lab File ID: oq423.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/25/2008 1115Final WeightNolume: 5 mLDate Prepared: 05/25/2 008 1115

Analyte Spike Amount Result % Rec. Limit QualAcetone 100 125 125 17-175Benzene 50.0 47.7 95 77- 119Dichlorobromomethane 50.0 52.3 105 78- 127fl Bromoform 50.0 54.9 110 62- 133U Bromomethane 50.0 54.6 109 12- 1842-Butanone (MEK) 100 99.0 99 33- 157Carbon disulfide 50.0 61.7 123 55- 131Carbon tetrachloride 50.0 53.4 107 71 - 135Chlorobenzene 50.0 50.1 100 85-116Chloroethane 50.0 73.9 148 40- 165Chloroform 50.0 48.4 97 82- 120[ Chloromethane 50.0 59.9 120 48- 142Chlorodibromomethane 50.0 55.5 111 75 - 133i,2-Dibromo-3-Chloropropane 50.0 58.2 116 49-140Ethylene Dibromide 50.0 48.9 98 80- 121Dibromomethane 50.0 49.5 99 78- 119Dichlorodifluoromethane 50.0 71.1 142 34- 1541,1-Dichloroethane 50.0 48.1 96 74- 127

Ui ,2-Dichloroethane 50.0 48.2 96 66 - 1321 1-Dichloroethene 50.0 55.1 110 62 - 141cis-i 2-Dichloroethene 50.0 47.8 96 69 - 134trans-i ,2-Dichloroethene 50.0 55.7 111 72 - 1311,2-Dichloropropane 50.0 47.3 95 73- 124cis-1,3-Dichloropropene 50.0 57.8 116 76- 126trans-1,3-Dichloropropene 50.0 58.2 116 73-128Ethylbenzene 50.0 50.8 102 86- 1162-Hexanone 100 105 105 34-161Methylene Chloride 50.0 58.8 118 70- 1254-Methyl-2-pentanone (MIBK) 100 100 100 40- 151Styrene 50.0 52.9 106 82 - 1221,1,1,2-Tetrachloroethane 50.0 53.2 106 81 - 1281,1,2,2-Tetrachloroethane 50.0 52.5 105 69-129Tetrachloroethene 50.0 50.3 101 76- 126Toluene 50.0 49.9 100 81-1171,1,1-Trichloroethane 50.0 50.1 100 76-1271,12-Trichloroethane 50.0 48.5 97 75-121Trichloroethene 50.0 48.2 96 84- 115Trichlorofluoromethane 50.0 61.6 123 58- 1491 ,2,3-Trichloropropane 50.0 51.9 104 70 - 130Vinyl acetate 100 106 106 10- 217Vinyl chloride 50.0 64.0 128 59- 144

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 91 of 120

Quality Control ResultsClient: Hercules Inc.

Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107071Method: 8260BPreparation: 50308

Lab Sample ID: LCS 680-107071/23 Analysis Batch: 680-107071 Instrument ID: GC/MS Volatiles - 0[] Client Matrix: Water Prep Batch: N/A Lab File ID: oq423.dDilution: 1.0 Units: ug/L Initial Weight/Volume: 5 mLDate Analyzed: 05/25/2008 1115Final Weight/Volume: 5 mLDate Prepared: 05/25/2008 1115

Analyte Spike Amount Result % Rec. Limit QualXylenes, Total 150 157 105 84-118Surrogate

% Rec Acceptance Limits4-Bromofluorobenzene101 75- 120Dibromofluoromethane 101 75- 121Toluene-d8 (Surr)97 75- 120

Calculations are performed before rounding to avoid round-off errors in calculated results

TestAmerica Savannah Page 92 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Method Blank - Batch: 680-107136 Method: 8260BPreparation: 50308

Lab Sample ID: MB 680-107136/8 Analysis Batch: 680-107136 Instrument ID: CC/MS Volatiles -0Client Matrix: Water Prep Batch: N/A Lab File ID: oq437.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/27/2008 1352

Final WeightNolume: 5 mLDate Prepared: 05/27/2008 1352

Analyte Result Qual RLAcetone <25 25Acetonitrile <40 40Acrolein <20 20

fI Acrylonitrile <20 20Benzene <1.0 1.0Dichlorobromomethane <1.0 1.0Bromoform <1.0 1.0Bromomethane <1.0 1.02-Butanone (MEK) <10 10Carbon disulfide <2.0 2.0Carbon tetrachlonde <1.0 1.0Chlorobenzene <1.0 1.0Chloroethane <1.0 1.0Chloroform <1.0 1.0Chloromethane <1.0 1.02-Chloro-1,3-butadiene <1.0 1.03-Chloro-1-propene <1.0 1.0Chlorodibromomethane <1.0 1.01 2-Dibromo-3-Chloropropane <1.0 1.0Ethylene Dibromide <1.0 1.0Dibromomethane <1.0 1.0trans-i ,4-Dichloro-2-butene <2.0 2.0

UDichlorodifluoromethane <1.0 1.01,1-Dichloroethane <1.0 1.0i,2-Dichloroethane <1.0 1.01,1-Dichloroethene <1.0 1.0cis-1 ,2-Dichloroethene <1.0 1.0trans-i ,2-Dichloroethene <1.0 1.01 ,2-Dichloropropane <1.0 1.0cis-1 ,3-Dichloropropene <1.0 1.0

Ltrans-i ,3-Dichloropropene <1.0 1.0Ethylbenzene <1.0 1.0Ethyl methacrylate <1.0 1.02-Hexanone <10 10lodomethane <5.0 5.0Isobutyl alcohol <40 40Methacrylonitrile <20 20Methylene Chloride <5.0 5.0

Fj Methyl methacrylate <1.0 1.04-Methyl-2-pentanone (MIBK) <10 10Pentachloroethane <5.0 5.0

Calculations are performed before rounding to avoid round-off errors in calculated results

TestAmericaSavannah Page 93 of 120

Quality Control ResultsClient: Hercules Inc.

Job Number: 680-36879-1

Method Blank - Batch: 680-107136Method: 826DBPreparation: 50308

Lab Sample ID: MB 680-107136/8[ Client Matrix: WaterDilution: 1.0Date Analyzed: 0512712008 1352Date Prepared: 05/27/2008 1352

Analysis Batch: 680-107 136Prep Batch: N/AUnits: ugIL

Instrument ID: GC/MS Volatiles - 0Lab File ID: oq437.dInitial Weight/Volume: 5 mLFinal Weight/Volume: 5 mL

Analyte

PropionitrileStyrene1,1,1 ,2-Tetrachloroethane

O 1,1 2,2-TetrachloroethaneTetrachioroetheneToluene1,1 ,1-Trichloroethane[ 1,1 ,2-TrichloroethaneTrichloroetheneTrichiorofluoromethane1 ,2,3-Trichloropropane

[ Vinyl acetateVinyl chlorideXylenes, Total

RL

201.01.01.01.01.01.01.01.01.01.02.01.02.0

Surrogate

4-BromofluorobenzeneDibromofluorometharieToluene-d8 (Surr)

% Rec

102105101

Acceptance Limits

75-12075- 12175- 120

Calculations are performed before rounding to avoid round-off errors in calculated results.

Result Qual

<20<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0<2.0

TestAmerica Savannah Page 94 of 120

Quality Control Results

Client: Hercules Inc. Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107136 Method: 826DBPreparation: 6030B

Lab Sample ID: LCS 680-1 071 36/6 Analysis Batch: 680-107136 lnstwment ID: CC/MS Volatiles -0Client Matrix: Water Prep Batch: N/A Lab File ID: oq431 .dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/27/2008 1156 Final WeightNolume: 5 mLDate Prepared: 05/27/2008 1156

Analyte Spike Amount Result % Rec. Limit Qual

Acetone 100 96.7 97 17-175Benzene 50.0 47.7 95 77-119Dichlorobromomethane 50.0 50.9 102 78- 127

fl Bromoform 50.0 53.3 107 62- 133

U Bromomethane 50.0 41.1 82 12- 1842-Butanone (MEK) 100 101 101 33- 157Carbon disulfide 50.0 47.9 96 55- 131[ Carbon tetrachloride 50.0 50.6 101 71 - 135Chlorobenzene 50.0 48.7 97 85- 116Chloroethane 50.0 42.9 86 40 - 165Chloroform 50.0 50.4 101 82- 120Chloromethane 50.0 43.3 87 48 - 142Chlorodibromomethane 50.0 54.0 108 75- 133i,2-Dibromo-3-Chloropropane 50.0 55.8 112 49- 140Ethylene Dibromide 50.0 48.1 96 80-121Dibromomethane 50.0 46.5 93 78-119Dichlorodifluoromethane 50.0 47.1 94 34- 1541,1-Dichloroethane 50.0 50.8 102 74- 1271,2-Dichloroethane 50.0 43.5 87 66-1321,1-Dichloroethene 50.0 44.5 89 62- 141cis-1,2-Dichloroethene 50.0 49.8 100 69-134trans-i ,2-Dichloroethene 50.0 49.2 98 72- 1311,2-Dichloropropane 50.0 47.6 95 73-124

U cis-1,3-Dichloropropene 50.0 57.1 114 76-126trans-i 3-Dichloropropene 50.0 55.6 111 73 - 128Ethylbenzene 50.0 49.4 99 86- 1162-Hexanone 100 99.8 100 34- 161

U Methylene Chloride 50.0 48.0 96 70- 1254-Methyl-2-pentanone (MIBK) 100 96.8 97 40 - 151Styrene 50.0 51.8 104 82- 1221,1,1,2-Tetrachloroethane 50.0 51.5 103 81 -1281,i,2,2-Tetrachloroethane 50.0 50.7 101 69- 129Tetrachloroethene 50.0 49.5 99 76 - 126Toluene 50.0 49.1 98 81-117[ 1,ii-Trichloroethane 50.0 49.3 99 76- 1271,1,2-Trichloroethane 50.0 47.7 95 75- 121Trichloroethene 50.0 48.1 96 84-115Trichlorofluoromethane 50.0 44.2 88 58 - 1491 2,3-Thchloropropane 50.0 49.2 98 70 - 130Vinylacetate 100 107 107 10-217Vinyl chloride 50.0 45.2 90 59- 144

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 95 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107136 Method: 8260BPreparation: 503DB

Lab Sample ID: LCS 680-107136/6 Analysis Batch: 680-107136 Instrument ID GC/MS Volatiles -0r Client Matrix: Water Prep Batch: N/A Lab File ID: oq431 .dL Dilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/27/2008 1156 Final WeightNolume: 5 mLDate Prepared: 05/27)2008 1156

Analyte Spike Amount Result % Rec. Limit Qual

Xylenes, Total 150 154 102 84-118

Surrogate % Rec Acceptance Limits

fl 4-Bromofluorobenzene 99 75- 120Dibromofluoromethane 103 75- 121Toluene-d8 (Surr) 96 75 - 120

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 96 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Matrix Spike/ Method: 826DBMatrix Spike Duplicate Recovery Report - Batch: 680-107136 Preparation: 503DB

MS Lab Sample ID: 680-36879-24 Analysis Batch: 680-107136 Instrument ID: GC/MS Volatiles -0Client Matrix: Water Prep Batch: N/A Lab File ID: o2899.dDilution: 1.0 Initial Weight/Volume: 5 mLDate Analyzed: 05/27/2008 2122 Final WeightNolume: 5 mLDate Prepared: 05127/2008 2122

MSD Lab Sample ID: 680-36879-24 Analysis Batch: 680-107136 Instrument ID: GC/MS Volatiles -0Client Matrix: Water Prep Batch: N/A Lab File ID: o2901.dDilution: 1.0 Initial WeightNolume: 5 mLDate Analyzed: 05/27/2008 2151 Final WeightNolume: 5 mLDate Prepared: 05/27/2008 2151

% Rec.Analyte MS MSD Limit RPD RPD Limit MS Qual MSD QuaI

Acetone 79 86 17-175 8 50Benzene 90 95 77-119 5 30Dichlorobromomethane 91 95 78 - 127 5 30Bromoform 95 103 62 - 133 8 30Bromomethane 60 80 12- 184 28 502-Butanone (MEK) 90 95 33- 157 5 30Carbon disulfide 96 105 55- 131 9 30Carbon tetrachloride 95 101 71 - 135 6 30Chlorobenzene 94 103 85-116 9 30Chloroethane 86 98 40- 165 13 50Chloroform 99 105 82 - 120 6 30Chloromethane 87 93 48- 142 7 50[ Chlorodibromomethane 99 109 75-133 10 301,2-Dibromo-3-Chloropropane 105 112 49-140 7 30Ethylene Dibromide 86 90 80- 121 4 30Dibromomethane 83 88 78- 119 6 30Dichlorodifluoromethane 108 115 34 - 154 7 3011-Dichloroethane 97 103 74- 127 6 301,2-Dichloroethane 78 80 66- 132 3 301,1-Dichloroethene 86 89 62- 141 4 30cis-1,2-Dichloroethene 96 103 69-134 7 30trans-12-Dichloroethene 96 103 72- 131 7 30

L1,2-Dichloropropane 88 92 73-124 4 30cis-1,3-Dichloropropene 100 107 76- 126 7 30trans-1,3-Dichloropropene 97 100 73- 128 3 30Ethylbenzene 96 103 86-116 7 302-Hexanone 88 93 34-161 6 30Methylene Chloride 90 97 70- 125 8 304-Methyl-2-pentanone (MIBK) 87 90 40- 151 3 30

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 97 of 120

Quahty Control ResultsClient: Hercules Inc.

Job Number: 680-36879-1

Matrix Spike!Method: 8260BMatrix Spike Duphcate Recovery Report - Batch: 680-107136 Preparation: 5030B

MS Lab Sample ID: 680-36879-24 Analysis Batch: 680-107136 Instrument ID: GC/MS Volatiles -0L Client Matrix: Water Prep Batch: N/A Lab File ID: o2899.dDilution: 1.0Initial Weight/Volume: 5 mLDate Analyzed: 05/27)2008 2122Final Weight/Volume: 5 mLDate Prepared: 05/27/2008 2122

MSD Lab Sample ID: 680-36879-24 Analysis Batch: 680-107136 Instrument ID: GC/MS Volatiles -0Client Matrix: Water Prep Batch: N/A Lab File ID: 02901 .dDilution: 1.0Initial Weight/Volume: 5 mLLi Date Analyzed: 05/2712008 2151Final Weight/Volume: 5 mLDate Prepared: 05)27/2008 2151

% Rec.Analyte MS MSD Limit RPD RPD Limit MS Qual MSD QuaIStyrene 96 106 82-122 9 301,1,12-Tetrachloroethane 96 105 81 -128 9 301,1,2,2-Tetrachloroethane 95 103 69- 129 8 30Tetrachloroethene 96 104 76- 126 8 30Toluene 92 100 81-117 8 301,1,1-Trichloroethane 92 96 76- 127 5 301,1 2-Trichloroethane 86 90 75-121 5 30Trichloroethene 90 96 84 - 115 6 30Trichlorofluoromethane 85 93 58- 149 9 50

U 1,2,3-Trichloropropane 91 96 70-130 5 30Vinyl acetate 97 101 10- 217 4 30Vinyl chloride 97 102 59- 144 6 50Xylenes, Total 99 108 84 - 118 8 30Surrogate

MS % Rec MSD % Rec Acceptance Limits4-Bromofluorobenzene 93 99 75- 120Dibromofluoromethane 101 109 75- 121Toluene-d8 (Surr) 91 97 75 - 120

0Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 98 of 120

Quality Control Results

Client: Hercules Inc.

Method Blank - Batch: 680-107154

Job Number: 680-36879-1

Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-1 07154110Client Matrix: WaterDilution: 1.0Date Analyzed: 05/27/2008 1934Date Prepared: 05/27/2008 1934

Analysis Batch: 680-107154Prep Batch: N/AUnits: ug/L

Instrument ID: GC/MS Volatiles - A C2Lab File ID: aq354.dInitial Weight/Volume: 5 mLFinal Weight/Volume: 5 mL

AcetoneAcetonitrileAcrolein

fl AcrylonitrileBenzeneDichlorobromomethaneBromoform

O Bromomethane2-Butanone (MEK)Carbon disulfideCarbon tetrachlorideChlorobenzeneChioroethaneChloroformChloromethane2-Chloro-i ,3-butadiene3-Chloro-i-propeneChlorodibromomethane1 ,2-Dibromo-3-ChloropropaneEthylene DibromideDibromomethanetrans-i ,4-Dichloro-2-buteneDichlorodifluoromethane1,1 -Dichloroethane1 2-Dichloroethane1,1 -Dichloroethenecis-1 .2-Dichioroethene

[J trans-i ,2-Dichloroethene1 ,2-Dichloropropanecis-i ,3-Dichloropropenetrans-i 3-DichloropropeneEthylbenzeneEthyl methacrylate2-Hexanone

U lodomethanelsobutyl alcoholMethacrylonitrileMethylene Chloride

U Methyl methacrylate4-Methyl-2-pentanone (MIBK)Pentachloroethane

Result Qual

<25<40<20<20<1 0<1.0<1.0<1.0<10<2.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<10<5.0<40<20<5.0<1.0<10<5.0

RL

254020201.01.01.01.0102.01.01.01.01.01.01.01.01.01.01.01.02.01.01.01.01.01.01.01.01.01.01.01.0105.040205.01.0105.0

Analyte

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 99 of 120

Quality Control ResultsClient: Hercules Inc.

Method Blank - Batch: 680-107154

Job Number: 680-36879-1

Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107154/10

O Client Matrix: WaterDilution: 1.0Date Analyzed: 05/27/2008 1934Date Prepared: 05/27/2008 1934

Analysis Batch: 680-107154Prep Batch: N/AUnits: ug/L

Instrument ID: GC/MS Volatiles - A C2Lab File ID: aq354.dInitial WeightNolume: 5 mLFinal WeightNolume: 5 mL

Analyte

PropionitrileStyrene1,1 1 ,2-Tetrachloroethane1,1 2,2-TetrachloroethaneTetrachioroetheneToluene1,1 1-Trichloroethane1,1 2-TrichloroethaneTrichioroetheneTrichlorofluoromethane1 2,3-TrichloropropaneVinyl acetateVinyl chlorideXylenes, Total

Result Qual

<20<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0<2.0

RL

201.01.01.01.01.01.01.01.01.01.02.01.02.0

Surrogate

4-BromofluorobenzeneDibromofluoromethaneToluene-d8 (Surr)

% Rec

103104102

Acceptance Limits

75 - 12075 - 12175- 120

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 100 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107154 Method: 82608Preparation: 5030B

Lab Sample ID: LCS 680-1 071 5411 Analysis Batch: 680-107154 Instrument ID: GC/MS Volatiles - A C2Client Matrix: Water Prep Batch: NIA Lab File ID: aq348.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/27/2 008 1758Final WeightNolume: 5 mLDate Prepared: 05/27/2008 1758

Analyte Spike Amount Result % Rec. Limit QualAcetone 100 114 114 17-175Benzene 50.0 49.8 100 77-119Dichlorobromomethane 50.0 60.9 122 78- 127fl Bromoform 50.0 61.4 123 62- 133U Bromomethane 50.0 43.6 87 12- 1842-Butanone(MEK) 100 113 113 33-157Carbon disulfide 50.0 48.9 98 55- 131Carbon tetrachloride 50.0 54.2 108 71 - 135Chlorobenzene 50.0 56.4 113 85-116Chloroethane 50.0 37.9 76 40- 165Chloroform 50.0 55.4 111 82-120Chloromethane 50.0 31.3 63 48- 142Chlorodibromomethane 50.0 60.7 121 75- 1331,2-Dibromo-3-Chloropropane 50.0 56.5 113 49- 140Ethylene Dibromide 50.0 61.3 123 80- 121Dibromomethane 50.0 56.1 112 78-119Dichlorodifluoromethane 50.0 34.8 70 34- 1541,1-Dichloroethane 50.0 49.1 98 74-127

U1,2-Dichloroethane 50.0 52.6 105 66-1321,1-Dichloroethene 50.0 46.6 93 62- 141cis-1,2-Dichloroethene 50.0 54.3 109 69- 134trans-i 2-Dichloroethene 50.0 44.2 88 72- 1311,2-Dichloropropane 50.0 55.9 112 73-124cis-1,3-Dichloropropene 50.0 56.4 113 76- 126trans-i ,3-Dichloropropene 50.0 57.9 116 73- 128Ethylbenzene 50.0 56.8 114 86-116

fl2-Hexanone 100 127 127 34-161Methylene Chloride 50.0 442 88 70- 1254-Methyl-2-pentanone (MIBK) 100 123 123 40- 151Styrene 50.0 61.7 123 82-1221,1,1,2-Tetrachloroethane 50.0 62.1 124 81 -1281,1,2,2-Tetrachloroethane 50.0 57.1 114 69-129Tetrachloroethene 50.0 55.0 110 76- 126Toluene 50.0 57.1 114 81-117U 11,1-Trichloroethane 50.0 51.4 103 76-12711,2-Trichloroethane 50.0 59.9 120 75- 121Trichloroethene 50.0 52.5 105 84-115Trichlorofluoromethane 50.0 40.0 80 58 - 1491,2,3-Trichloropropane 50.0 608 122 70- 130Vinyl acetate 100 117 117 10-217Vinyl chloride 50.0 39.1 78 59- 144

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 101 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107154 Method: 8260BPreparation: 5030B

Lab Sample ID: LCS 680-1 071 54/1 Analysis Batch: 680-107154 Instrument ID: GC/MS Volatiles - A C2Client Matrix: Water Prep Batch: N/A Lab File ID: aq348.dDilution: 1.0 Units: ug/L Initial Weight/Volume: 5 mLDate Analyzed: 05(27/2008 1758Final ‘NeightNolume: 5 mLDate Prepared: 05(27/2008 1758

Analyte Spike Amount Result % Rec. Limit QualXylenes, Total 150 173 115 84-118

Surrogate % Rec Acceptance Limits4-Bromofluorobenzene 120 75- 120Dibromofluoromethane 109 75- 121Toluene-d8(Surr) 115 75-120

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 102 of 120

Quality Control Results

Client: Hercules Inc.

Matrix Spike!Matrix Spike Duplicate Recovery Report - Batch: 680-107154

Job Number: 680-36879-1

Method: 8260BPreparation: 503DB

MS Lab Sample ID:

O Client Matrix:Dilution:Date Analyzed:Date Prepared:

680-36879-11Water

1.005/27/2008 205105/27/2008 2051

Analysis Batch: 680-107154Prep Batch: N/A

Instrument ID: GC/MS Volatiles - A C2Lab File ID: a0206 dInitial Weight/Volume: 5 mLFinal WeightNolume: 5 mL

MSD Lab Sample ID:

flClient Matrix:Dilution:

Date Analyzed:Date Prepared:

680-36879-11Water1.005/27/2008 211905/27/2008 2119

Analysis Batch: 680-107154Prep Batch: N/A

% Rec.

Instrument ID: GC/MS Volatiles - A C2Lab File ID: a0208.dInitial Weight/Volume: 5 mLFinal WeightNolume: 5 mL

Analyte MS MSD Limit RPD RPD Limit MS Qual MSD QualAcetone 90 90 17-175 1 50Benzene 103 105 77-119 2 30Dichlorobromomethane 98 105 78- 127 7 30Bromoform 97 101 62- 133 5 30Bromomethane 213 158 12-184 30 50 F2-Butanone (MEK) 100 98 33- 157 3 30Carbondisulfide 138 120 55-131 14 30 FCarbon tetrachloride 109 115 71 - 135 5 30Chlorobenzene 102 105 85-116 2 30

U Chloroethane 132 110 40-165 18 50Chloroform 114 111 82-120 2 30Chloromethane 144 113 48-142 24 50 F

UChlorodibromomethane 95 106 75- 133 11 301,2-Dibromo-3-Chloropropane 96 99 49- 140 3 30Ethylene Dibromide 96 100 80- 121 4 30Dibromomethane 88 99 78- 119 12 30fl Dichlorodifluoromethane 134 114 34- 154 16 30U 11-Dichloroethane 92 116 74- 127 23 301 2-Dichloroethane 85 97 66- 132 13 3011-Dichloroethene 118 117 62- 141 1 30cis-1,2-Dichloroethene 118 116 69- 134 2 30trans-12-Dichloroethene 92 104 72- 131 13 301 ,2-Dichloropropane 97 102 73 - 124 4 30cis-13-Dichloropropene 99 105 76- 126 6 30trans-13-Dichloropropene 98 103 73- 128 5 30Ethylbenzene 110 110 86-116 0 302-Hexanone 92 98 34- 161 7 30Methylene Chloride 122 104 70- 125 16 304-Methyl-2-pentanone (MIBK) 94 99 40- 151 5 30

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 103 of 120

Quality Control Results

Client: Hercules Inc.

Matrix Spike!Matrix Spike Duplicate Recovery Report - Batch: 680-i07154

Job Number: 680-36879-1

Method: 826DBPreparation: 503DB

MS Lab Sample ID:Client Matrix:Dilution:

Date Analyzed:Date Prepared:

MSD Lab Sample ID:

flClient Matrix:Dilution:Date Analyzed:Date Prepared:

680-36879-11Water

1.005/27/2008 205105/2712008 2051

680-36879-11Water

1.00512712008 211905/27/2008 2119

lnstmment ID: GC/MS Volatiles - A C2Lab File ID: a0206.dInitial Weight/Volume: 5 mLFinal Weight/Volume: 5 mL

Instrument ID: GC/MS Volatiles - A C2Lab File ID: a0208.dInitial WeightNolume: 5 mLFinal WeightNotume: 5 mL

% Rec.MS MSD Limit

Styrene

1,1,1 ,2-Tetrachloroethane

1,1 2,2-TetrachloroethaneTetrachioroethene

Toluene

1,1 ,1-Trichloroethane

1,1 ,2-Trichloroethane

Trichloroethene

Trichlorofluoromethane

1 ,23-Trichloropropane

Vinyl acetate

Vinyl chloride

Xylenes, Total

113 112 82-122104 110 81-12896 103 69-129109 114 76-126112 108 81-117108 111 76-12791 98 75-121100 103 84-115128 123 58-14999 104 70-13083 115 10-217145 113 59-144.111 112 84-118

0 30

5 30

7 30

4 30

4 30

2 30

7 30

3 30

4 50

5 30

32 30

25 50

0 30

Calculations are performed before rounding to avoid round-off errors in calculated results.

Analysis Batch: 680-107154Prep Batch: N/A

Analysis Batch: 680-107154Prep Batch: N/A

AnalyteRPD RPD Limit MS Qual MSD Qual

Surrogate

4-BromofluorobenzeneDibromofluoromethaneToluene-d8 (Surr)

F

MS % Rec

108114110

MSD % Rec

105111109

F

Acceptance Limits

75- 12075- 12175- 120

TestAmerica Savannah Page 104 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Method Blank - Batch: 680-107254 Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107254/8 Analysis Batch: 680-107254 Instrument ID: GC/MS Volatiles -0 C2Client Matrix: Water Prep Batch: N/A Lab File ID: oq448.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/28/2008 1314 Final WeightNolume: 5 mLDate Prepared: 05/2812008 1314

Analyte Result Qual RLAcetone <25 25Acetonitrile <40 40Acrolein <20 20Acrylonitrile <20 20Benzene <1.0 1.0Dichlorobromomethane <1.0 1.0Bromoform <1.0 1.0Bromomethane <1.0 1.02-Butanone (MEK) <10 10Carbon disulfide <2.0 2.0Carbon tetrachloride <1.0 1.0Chlorobenzene <1.0 1.0J Chloroethane <1.0 1.0Chloroform <1.0 1.0Chloromethane <1.0 1.02-Chloro-1,3-butadiene <1.0 1.03-Chloro-1-propene <1.0 1.0Chlorodibromomethane <1.0 1.0

Ui ,2-Dibromo-3-Chloropropane <1.0 1.0Ethylene Dibromide <1.0 1.0Dibromomethane <1.0 1.0trans-i 4-Dichloro-2-butene <2.0 2.0

UDichlorodifluoromethane <1.0 1.0li-Dichloroethane <1.0 1.01,2-Dichloroethane <1.0 1.01,1-Dichloroethene <1.0 1.0cis-1 ,2-Dichloroethene <1.0 1.0trans-i ,2-Dichloroethene <1.0 1.01,2-Dichloropropane <1.0 1.0cis-i,3-Dichtoropropene <1.0 1.0trans-i ,3-Dichtoropropene <1.0 1.0Ethylbenzene <1.0 1.0Ethyl methacrylate <1.0 1.02-Hexanone <10 10odomethane <5.0 5.0Isobutyl alcohol <40 40Methacrylonitrile <20 20Methylene Chloride <5.0 5.0Methyl methacrylate <1.0 1.0J 4-Methyl-2-pentanone (MIBK) <10 10Pentachloroethane <5.0 5.0

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmericaSavannah Page 105 of 120

Quality Control Results

Client: Hercules Inc.

Method Blank - Batch: 680-107254

Job Number: 680-36879-1

Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107254/8Client Matrix: WaterDilution: 1.0Date Analyzed: 05/28/2008 1314Date Prepared: 05/28/2008 1314

Analysis Batch: 680-107254Prep Batch: N/AUnits: ug/L

Instrument ID: GC/MS Volatiles - 0 C2Lab File ID: oq448.dInitial WeightNolume: 5 mLFinal Weight/Volume: 5 mL

Analyte

PropionitrileStyrene1,1 1 ,2-Tetrachloroethane

O 1,1 ,2,2-TetrachloroethaneTetrachioroetheneToluene11,1-Trichloroethane

L 1,1 2-TrichloroethaneTrichloroetheneTrichlorofluoromethane1 2,3-TrichloropropaneVinyl acetateVinyl chlorideXylenes, Total

RL

201.01.01.01.01.01.01.01.01.01.02.01.02.0

Surrogate

4-BromofluorobenzeneDibromofluoromethaneToluene-d8 (Surr)

% Rec

102111100

Acceptance Limits

75 - 12075- 12175- 120

Calculations are performed before rounding to avoid round-off errors in calculated results

Result Qual

<20<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0<2.0

TestAmerica Savannah Page 106 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107254 Method: 8260BPreparation: 5030B

Lab Sample ID: LCS 680-107254/6 Analysis Batch: 680-107254 Instrument ID: GC/MS Volatiles -0 C2Client Matrix: Water Prep Batch: N/A Lab File ID: oq444.dDilution: 1.0 Units: ug/L Initial WeightfVolume: 5 mLDate Analyzed: 05/28/2008 1136Final WeightNolume: 5 mLDate Prepared: 05/28/2008 1136

Analyte Spike Amount Result % Rec. Limit QualAcetone 100 96.7 97 17-175Benzene 50.0 46.8 94 77-119Dichlorobromomethane 50.0 50.4 101 78 - 127

fl Bromoform 50.0 49.8 100 62- 133Bromomethane 50.0 44.1 88 12- 1842-Butanone (MEK) 100 104 104 33 - 157Carbon disulfide 50.0 53.8 108 55- 131Carbon tetrachloride 50.0 46.6 93 71 - 135Chlorobenzene 50.0 50.6 101 85-116Chloroethane 50.0 41.8 84 40-165Chloroform 50.0 52.6 105 82- 120Chloromethane 50 0 36.6 74 48- 142Chlorodibromomethane 50.0 56.0 112 75-133i,2-Dibromo-3-Chloropropane 50.0 60.5 121 49- 140Ethylene Dibromide 50.0 50.5 101 80- 121Dibromomethane 50.0 47.8 96 78-119Dichlorodifluoromethane 50.0 52.7 105 34- 1541,1-Dichloroethane 50.0 50.6 101 74- 1271,2-Dichloroethane 50.0 40.5 81 66- 1321,1-Dichloroethene 50.0 46.3 93 62- 141U cis-1,2-Dichloroethene 50.0 55.5 111 69-134trans-I ,2-Dichtoroethene 50.0 52.6 105 72- 1311,2-Dichloropropane 50.0 45.0 90 73- 124cis-1,3-Dichloropropene 50.0 56.5 113 76- 126trans-i ,3-Dichloropropene 50.0 54.5 109 73- 128Ethylbenzene 50.0 50.7 101 86-116n 2-Hexanone 100 96.1 96 34-161Methylene Chloride 50.0 52.0 104 70- 1254-Methyl-2-pentanone (MIBK) 100 92.5 92 40- 151Styrene 50.0 531 106 82-122

U 1,1,1,2-Tetrachloroethane 50.0 53.4 107 81 - 1281,1,2,2-Tetrachloroethane 50.0 52.5 105 69- 129Tetrachloroethene 50.0 50.7 101 76- 126Toluene 50.0 49.2 98 81 - 1171,1,1-Trichloroethane 50.0 45.2 90 76-1271,1,2-Trichloroethane 50.0 48.7 97 75-121Trichloroethene 50.0 48.1 96 84- 115Trichlorofluoromethane 50.0 43.4 87 58 - 1491,2,3-Trichloropropane 50.0 49.9 100 70- 130Vinyl acetate 100 119 119 10-217Vinyl chloride 50,0 45.2 90 59- 144

Calculations are performed before rounding to avoid round-off errors in calculated results.

Test.America Savannah Page 107 of 120

Quality Control Results

Client: Hercules Inc.

Lab Control Spike - Batch: 680-107254

Job Number: 680-36879-1

Method: 8260BPreparation: 5030B

Lab Sample ID: LCS 680-107254/6Client Matrix: WaterDilution: 1.0Date Analyzed: 05/28/2008 1136Date Prepared: 05/28/2008 1136

Analysis Batch: 680-107254Prep Batch: NIAUnits: ugIL

Instwment ID: GC/MS Volatiles - 0 C2Lab File ID: oq444dInitial WeightNolume: 5 mLFinal WeightNolume: 5 mL

Surrogate

O 4-BromofluorobenzeneDibromofluoromethaneToluene-d8 (Surr)

Calculations are performed before rounding to avoid round-off errors in calculated results.

Analyte Spike Amount Result % Rec. LimitXylenes, Total 150 157 104 84-118

% Rec Acceptance Limits

Qual

98

11497

75 - 12075- 12175- 120

TestAmerica Savannah Page 108 of 120

Quality Control Results

Client: Hercules Inc.

Method Blank - Batch: 680-107282

Job Number: 680-36879-1

Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107282/7[ Client Matrix: WaterDilution: 1.0Date Analyzed: 05/28)2008 1300Date Prepared: 05/2812008 1300

Analysis Batch: 680-107282Prep Batch: N/AUnits: ugIL

Instrument ID: GC/MS Volatiles - 0Lab File ID: oq447.dInitial WeightlVolume: 5 mLFinal WeightNolume: 5 mL

AcetoneAcetonitrileAcrolein

fl Acrylonitrile

UDichlorobromomethaneBromoform[ Bromomethane2-Butanone (MEK)Carbon disulfideCarbon tetrachloride

[Q ChlorobenzeneChloroethaneChloroformChloromethane2-Chloro-1 ,3-butadiene3-Chloro-i -pro peneChlorodibromomethane1 ,2-Dibromo-3-ChloropropaneEthylene DibromideDibromomethanetrans-i ,4-Dichloro-2-butene

UDichloroditluoromethane1 1-Dichloroethane1 ,2-Dichloroethane1 1-Dichloroethenecis-i ,2-Dichloroethene

U trans-i ,2-Dichloroethene1 ,2-Dichloropropanecis-i 3-Dichloropropene

Ltrans-i ,3-DichloropropeneEthylbenzeneEthyl methacrylate2-Hexanone[ lodomethaneIsobutyl alcoholMethacrylonitrileMethylene Chloride

ri Methyl methacrylate4-Methyl-2-pentanone (MIBK)Pentachloroethane

Result Qual

<25<40<20<20<1.0<1.0<1.0<1.0<10<2.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<10<5.0<40<20<5.0<1.0<10<5.0

RL

254020201.01.01.01.0102.01.01.01.01.01.01.01.01.01.01.01.02.01.01.01.01,01.01.01.0101.01.01.0105.040205.01.0105.0

Analyte

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 109 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Method Blank - Batch: 680-107282Method: 826DBPreparation: 503DB

Lab Sample ID: MB 680-107282/7 Analysis Batch: 680-107282 Instrument ID: GC/MS Volatiles -0O Client Matrix: Water Prep Batch: N/A Lab File ID: oq447.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/28/2008 1300Final WeightNolume: 5 mLDate Prepared: 05/28/2008 1300

AnalyteResult Qual RL

Propionitrile<20

20Styrene<1.0

1.01,1,1 ,2-Tetrachloroethane <1.01.0fl 1,1 22-Tetrachloroethane <1.01.0Li Tetrachloroethene <1.01.0Toluene

<1.01.01,1,1-Trichloroethane <1.01.01,12-Trichloroethane <1.01.0Trichloroethene <1.01.0Trichlorofluoromethane <1.01.01,2,3-Trichloropropane <1.01.0Vinyl acetate

<2.02.0Vinyl chloride

<1.01.0Xylenes, Total <2.02.0

Surrogate% Rec Acceptance Limits

4-Bromofluorobenzene 101 75- 120Dibromofluoromethane 109 75- 121Toluene-d8 (Surr) 97 75- 120

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmericaSavannah Page 110 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107282 Method: 8260BPreparation: 5030B

Lab Sample ID: LCS 680-107282/5 Analysis Batch: 680-107282 Instrument ID: GC/MS Volatiles -0Client Matrix: Water Prep Batch: N/A Lab File ID: oq443.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/28/2008 1121Final WeightNolume: 5 mLDate Prepared: 05/28/2008 1121

Analyte Spike Amount Result % Rec. Limit QualAcetone 100 100 100 17-175Benzene 50.0 46.5 93 77-119Dichlorobromomethane 50.0 49.2 98 78 - 127fl Bromoform 50.0 56.5 113 62 - 133Li Bromomethane 50.0 42.7 85 12- 1842-Butanone (MEK) 100 104 104 33- 157Carbon disulfide 50.0 49.5 99 55- 131Carbon tetrachloride 50.0 46.3 93 71 - 135Chlorobenzene 50.0 50.8 102 85-116Chloroethane 50.0 43.0 86 40- 165Chloroform 50.0 51.1 102 82- 120JQ Chloromethane 50.0 43.6 87 48 - 142Chlorodibromomethane 50.0 57.0 114 75- 133i,2-Dibromo-3-Chloropropane 50.0 60.4 121 49- 140Ethylene Dibromide 50.0 48.8 98 80- 121Dibromomethane 50.0 46.8 94 78 - 119Dichlorodifluoromethane 50.0 52.0 104 34- 154li-Dichloroethane 50.0 50.5 101 74-127

U1,2-Dichloroethane 50.0 40.5 81 66- 1321,1-Dichloroethene 50.0 43.0 86 62- 141cis-1,2-Dichloroethene 50.0 52.4 105 69- 134trans-i ,2-Dichloroethene 50.0 49.6 99 72- 131

U1,2-Dichloropropane 50.0 46.5 93 73- 124cis-1,3-Dichloropropene 50.0 56.2 112 76- 126trans-i ,3-Dichloropropene 50.0 53.9 108 73- 128Ethylbenzene 50.0 50.9 102 86- 116

fl2-Hexanone 100 102 102 34-161Methylene Chloride 50.0 50.3 101 70- 1254-Methyl-2-pentanone (MIBK) 100 92.8 93 40- 151Styrene 50.0 53.4 107 82- 1221,1,1,2-Tetrachloroethane 50.0 53.4 107 81 - 1281,1,2,2-Tetrachloroethane 50.0 54.1 108 69-129Tetrachloroethene 50.0 49.9 100 76- 126Toluene 50.0 48.1 96 81-1171,1,1-Trichloroethane 50.0 44.8 90 76- 127ii,2-Trichloroethane 50.0 47.7 95 75-121Trichloroethene 50.0 47.0 94 84- 115Trichlorofluoromethane 50.0 42.0 84 58- 1491,2,3-Trichloropropane 50.0 52.9 106 70- 130Vinyl acetate 100 113 113 10-217Vinyl chloride 50.0 46.9 94 59- 144

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 111 of 120

Quality Control Results

Lab Control Spike - Batch: 680-107282 Method: 8260BPreparation: 5030B

Lab Sample ID: LCS 680-107282/5Client Matrix: WaterDilution: 1.0Date Analyzed: 05/28/2008 1121Date Prepared: 05128/2008 1121

Analysis Batch: 680-107282Prep Batch: N/AUnits: ug/L

Instrument ID: GC/MS Volatiles - 0Lab File ID: oq443.dInitial WeightlVolume: 5 mLFinal WeightNolume: 5 mL

Surrogate

4-BromofluorobenzeneDibromofluoromethaneToluene-d8 (Surr)

Calculations are performed before rounding to avoid round-off errors in calculated results.

Client: Hercules Inc.Job Number: 680-36879-1

Analyte Spike Amount Result % Rec. Limit Qual

Xylenes, Total 150 158 105 84-118

% Rec Acceptance Limits

101

110

96

75-12075- 12175-120

TestAmerica Savannah Page 112 of 120

Quality Control Results

Client: Hercules Inc.

Method Blank - Batch: 680-107519 Method: 8260 B

Job Number: 680-36879-1

Preparation: 503DB

Lab Sample ID: MB 680-107519/11[ Client Matrix: WaterDilution: 1.0Date Analyzed: 05/3012008 1149

Date Prepared: 05/30/2008 1149

Analysis Batch: 680-107519Prep Batch: N/AUnits: ug/L

Instrument ID: GC/MS Volatiles - 0Lab File ID: oq469.dInitial Weight/Volume: 5 mLFinal WeightNo!ume: 5 mL

Analyte

AcetoneAcetonitrileAcrolein

Fj AcrylonitrileBenzeneDichlorobromomethaneBromoform

L Bromomethane2-Butanone (MEK)Carbon disulfideCarbon tetrachiondeChlorobenzeneChloroethaneChloroformChloromethane2-Chloro-1 ,3-butadiene3-Chloro-1 -propeneChlorodibromomethane1 ,2-Dibromo-3-Chloropropane

[ j Ethylene Dibromide

U Dibromomethanetrans-i ,4-Dichloro-2-butene

UDichlorodifluoromethane

- i,i-Dichloroethane• 1 2-Dichloroethane

11 -Dichloroethenecis-i ,2-Dichloroethene

U trans-i ,2-Dichloroethene1 ,2-Dichloropropanecis-1 3-Dichloropropene[ trans-i 3-DichloropropeneEthylbenzeneEthyl methacrylate2-Hexanone

L lodomethaneIsobutyl alcoholMethacrylonitrileMethylene Chloride

L Methyl methacrylate4-Methyl-2-pentanone (MIBK)Pentachioroethane

Result Qual

<25<40<20<20<1.0<1.0<1.0<1.0<10<2.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<10<5.0<40<20<5 0<1.0<10<5.0

RL

254020201.01.01.01.0102.01.01.01.01.01.01.01.01.01.01.01.02.01.01.01.01.01.01.01.01.01.01.01.0105.040205.01.0105.0

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmerica Savannah Page 113 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Method Blank - Batch: 680-107519 Method: 8260BPreparation: 5030B

Lab Sample ID: MB 680-107519/11 Analysis Batch: 680-107519 Instrument ID: GC/MS Volatiles -0

Client

Matrix: Water Prep Batch: N/A Lab File ID: oq469.dDilution: 1.0 Units: ug/L Initial Weight/Volume: 5 mLDate Analyzed: 05/30/2008 1149

Final Weight/Volume: 5 mLDate Prepared: 05/3012008 1149

Analyte Result Qual RLPropionitrile <20 20Styrene <1.0 1.01,1,1 ,2-Tetrachloroethane <1.0 1.0

fl 1,1 ,2,2-Tetrachloroethane <1.0 1.0Tetrachloroethene <1.0 1.0Toluene <1.0 1.01,1,1-Trichloroethane <1.0 1.0112-Trichloroethane <1.0 1.0Trichloroethene <1.0 1.0Trichlorofluoromethane <1.0 1.01 2,3-Trichloropropane <1.0 1.0Vinyl acetate <2.0 2.0Vinyl chloride <1.0 1.0Xylenes, Total <2.0 2.0

Surrogate % Rec Acceptance Limits4-Bromofluorobenzene 104 75- 120Dibromofluoromethane 121 75- 121Toluene-d8 (Surr) 100 75- 120

Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmericaSavannah Page 114 of 120

Quality Control Results

Client: Hercules Inc.

Lab Control Spike - Batch: 680-107519 Method: 8260B

Job Number: 680-36879-1

Preparation: 5030B

Lab Sample ID: LCS 680-107519/9[ Client Matrix: WaterDilution: 1.0Date Analyzed: 05130/2008 1011Date Prepared: 05I30I2008 1011

Analysis Batch: 680-107519Prep Batch: N/AUnits: ug/L

Instrument ID: GC/MS Volatiles - 0Lab File ID: oq465.dInitial WeightNolume: 5 mLFinal WeightNolume: 5 mL

Calculations are performed before rounding to avoid round-off errors in calculated results.

Analyte Spike Amount Result % Rec.

Acetone97

BenzeneDichlorobromomethane

Limit Qual

[ BromoformBromomethane2-Butanone (MEK)Carbon disulfideCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChloromethaneChiorodibromomethane1 ,2-Dibromo-3-ChloropropaneEthylene DibromideDibromomethaneDichlorodifluoromethane1 ,1-Dichloroethane1 2-Dichloroethane

U 1,1-Dichioroethenecis-1 ,2-Dichloroethenetrans-I ,2-Dichloroethene1 2-Dichloropropanecis-1 ,3-Dichloropropenetrans-i 3-DichloropropeneEthylbenzene

fl2-HexanoneMethylene Chloride4-Methyl-2-pentanone (MIBK)Styrene

L1,1,1 .2-Tetrachloroethane1,1 ,2,2-TetrachloroethaneTetrachloroetheneToluene

L 1,1 ,1-Trichloroethane1.1 ,2-TrichloroethaneTrichloroetheneTrichlorofluoromethane1 ,2,3-TrichloropropaneVinyl acetateVinyl chloride

100 97.0 17-17550.0 45.1 90 77-11950.0 46.6 93 78- 12750.0 55.4 111 62-13350.0 47.8 96 12-184100 94.4 94 33-15750.0 51.5 103 55-13150.0 45.7 91 71 - 13550.0 51.1 102 85-11650.0 44.6 89 40- 16550.0 52.5 i05 82-12050.0 44.2 88 48-14250.0 56.3 113 75-13350.0 55.8 112 49-14050.0 46.6 93 80-12150.0 44.7 89 78-11950.0 54.6 109 34-15450,0 50.1 100 74-12750.0 36.8 74 66-13250.0 47.0 94 62- 14150.0 55.3 ill 69-13450.0 51.6 103 72- 13150.0 43.6 87 73- 12450.0 53.1 106 76-12650.0 51.0 102 73-12850.0 50.6 101 86-116100 89.8 90 34-16150.0 50.8 102 70-125100 82.2 82 40-15150.0 52.3 105 82-12250.0 52.9 106 81 - 12850.0 50.9 102 69-12950.0 52.2 104 76 - 12650.0 47.6 95 81 - 11750.0 44.2 88 76-12750.0 45.4 91 75-12150.0 48.2 96 84-11550.0 45.2 90 58 - 14950.0 49.6 99 70- 130100 107 107 10-21750.0 47.9 96 59-144

TestAmerica Savannah Page 115 of 120

Quality Control Results

Client: Hercules Inc.Job Number: 680-36879-1

Lab Control Spike - Batch: 680-107519Method: 8260BPreparation: 5030B

Lab Sample ID: LCS 680-107519/9 Analysis Batch: 680-107519 Instrument ID: GC/MS Volatiles -0[ Client Matrix: Water Prep Batch: N/A Lab File ID: oq465.dDilution: 1.0 Units: ug/L Initial WeightNolume: 5 mLDate Analyzed: 05/30/2008 1011Final WeightNolume: 5 mLDate Prepared: 05/30/2008 1011

Analyte Spike Amount Result % Rec. Limit QualXylenes Total 150 157 104 84-118Surrogate

% Rec Acceptance Limits4-Bromofluorobenzene 99 75- 120Dibromofluoromethane 114 75 - 121Toluene-dB (Surr) 92 75- 120

0Calculations are performed before rounding to avoid round-off errors in calculated results.

TestAmericaSavannah Page 116 of 120

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Question

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TI Fl NA CommentRadioactivity either was not measured or, if measured, is at or below NIAbackgroundThe cooler’s custody seal, if present, is intact. True[ The cooler or samples do not appear to have been compromised or Truetampered with.Samples were received on ice. TrueCooler Temperature is acceptable. True

fl Cooler Temperature is recorded. True 4.6 and 2.8 CCCC is present. TrueCCC is filled out in ink and legible. True[ CCC is filled out with all pertinent information. TrueThere are no discrepancies between the sample IDs on the containers and Truethe CCC.Samples are received within Holding Time. True Received with 3-6 days loss in holding time due

to field hold.Sample containers have legible labels. TrueContainers are not broken or leaking. True

ample collection date/times are provided. Truepropriate sample containers are used. True

Sample bottles are completely filled. TrueThere is sufficient vol. for all requested analyses, md. any requested TrueMS/MSDsVOA sample vials do not have headspace or bubble is <6mm (1/4) in True Check headspace comments in narrastive ifdiameter.

applicable.[ If necessary, staff have been informed of any short hold time or quick TAT True E-mail notification sent regarding holding times.needsMultiphasic samples are not present. TrueSamples do not require splitting or compositing. True

TestAmerica SavannahPage 120 of 120

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mou

ntA

mou

ntA

mou

ntS

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gt

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oa

Nap

htha

lone

31.0

5.00

619

5.47

5.00

109

6.24

5.00

125

5.00

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lag:

Met

hod

blan

kco

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ned

Aeo

mse

lhio

oco

ntam

ina0

00

Sam

ple

used

fun

mol

dysp

ike

cont

aine

ddl

ooat

lsoo

sob

ese

linea

rra

nge

and/

orln

thrf

erio

peak

s(s

pike

not

repo

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be:

r.Sc

oaet

5.B

mrn

er,

P0.

0B

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NE

RA

NA

LY

ISC

AL

TE

STIN

GC

OM

PAN

Y

EE

3E

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0

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AN

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DQ

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UR

AN

CE

DA

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EN

EIH

ION

HPL

CA

NA

LYSI

SD

ATA

C:c

nt

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cule

sC

otec

led:

5/15

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814

00C

rest

anip

teT

yper

Wat

erSa

mpl

eID

:I1

ER-1

4W15

-051

508

Ext

ract

ed:

5/20

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810

00ED

Rsc

tnn

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ted:

0818

4635

10C

Fle

C:81

5160

8A

naly

zed:

5/30

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810

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GA

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ted:

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ilned

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6D

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lyst

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PLE

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nteu

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ag/i

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Am

ount

%og

/LA

mou

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ug/m

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mou

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mou

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)(p

pb)

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ery

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Rec

over

y(p

pm)

ag/m

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ecov

ery

(ppm

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r/

Dio

nene

th:a

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400

11.9

0.47

9,10

10,0

9210

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natlo

on()

0.40

08.

0N

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10.0

104

10.0

0

0,40

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DN

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18.0

100

10.0

0D

inna

thln

n(0

005)

Det

ecte

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iked

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etec

ted

Spik

ed%

Det

ecte

dO

p/co

d%

Det

ecte

dSp

iked

YbSU

RR

OG

AT

EC

OM

POU

ND

S—

Am

ount

Am

oont

Ren

aaer

yA

mou

ntA

mou

nt55

Qy5

(y/50

//t

5555

8!Q

(Y!5

50

0t

(555

5L((S

SSSS

teN

apyt

Sale

ne7.

65.

0015

25.

475.

0010

96.

245.

0012

55.

000

8-Fl

ag:

Met

hod

blan

kco

stoe

ved

dino

eeet

h.an

covt

amko

tbnn

Sam

ple

used

for

mao

losp

ike

cont

aine

ddi

exat

hion

sob

ese

Snea

rra

nge

and/

orln

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eAng

peak

s(s

pike

net

mpa

rted

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Plct

taet

S.B

anne

r,Ph

.DB

ON

NE

RA

NA

LY

tIC

AL

TE

STIN

GC

OM

PAN

Y

Ei.

CC

ZC

CC

EE

JC

JC

00

0

BO

NN

ER

AN

AlY

TIC

AL

TE

ST

ING

CO

MPA

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QU

AN

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ER

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I.15

AN

DQ

UA

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ASS

SRA

NSP

DA

TAD

IOX

RTH

IQN

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IDSE

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NIO

NI/P

LCA

NA

LYSI

SD

ATA

Cla

raH

ercu

les

Cdd:

5/15

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813

20C

lerk

5am

Ae

Typ

e:W

ater

Sam

ple

ID:

HE

0-M

WIG

-051

500

Ext

ract

ed:

5/25

1/20

0011

55ED

ItE

otea

tooe

Mel

trod

:55

5846

3511

CF/

v8:

0581

609

Ava

lyze

d:5/

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1228

DO

sA

eats

lsM

etho

d:M

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MA

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ted

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eD

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ted

ScA

mD

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ted

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eD

elec

led

Spar

ePQ

LA

mou

ntA

mou

ntA

ener

tA

mou

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ug/L

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un

t%

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Am

etor

t%

ag/n

tA

tvou

oc55

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LA

mou

nt%

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)(p

pb)

agJL

Rec

over

y/p

pk)

esJL

Rec

over

y(p

pm)

emjm

LR

ecov

ery

(ppm

)ag/v

tR

ecov

ery

Div

eeoe

llrio

e0.

400

6.4

0.4?

8.18

10.0

9210

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oath

mon

(cia

)0.

400

NDN

D10

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10.0

104

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0

0.40

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10.0

100

10.0

SD

iaoa

lhie

e(O

ars)

Det

ecte

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p/te

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Det

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dSp

iked

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ted

Spik

ed%

Det

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dSp

iked

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RR

OG

AT

EC

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POU

ND

SA

mno

jvt

Aav

ooet

Rec

over

yA

srro

ovt

Am

ount

Rm

ove(

yA

moe

ont

Am

ount

yy

gg

fl5

55

Nap

hlha

leve

16.5

5.50

330

5.47

5.05

109

6.24

5.05

125

5.00

0

0-R

ag:

Met

hod

blan

kco

ntai

ned

diov

evet

blov

coot

amle

atlo

n

Sam

t/Ie

used

lee

mat

rmrA

vco

nDev

eddi

oeas

,iovs

abov

ebn

eae

rang

eao

l/o

rkr

teef

enkm

gpe

aks

(dke

rot

mIn

ted

)

Cer

S/le

dky:_

___________________________

hNdr

ael &

Bom

rer

Ph.D

eON

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AN

AL

TIX

CA

LT

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CO

MPA

NY

C0EZ

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cn

cc

nz

cc

cc

cr

BO

NN

ER

AN

ALY

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AL

TE

STIN

GC

OM

PAN

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UA

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VE

RES

ULT

SA

ltQ

UA

lITY

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UR

AN

CE

DA

TAD

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NA

LYRI

SD

ATA

Cbe

nt:

Her

culA

MC

olle

cted

:SI

15/2

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xtra

cted

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20/l

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1000

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ctlra

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d:5W

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3510

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610

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SA

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sis

Met

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tleA

lted

SWA

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ate

Ana

lyst

SAM

PLE

IH

OD

BLAM

ELa

bC

antr

elM

ATR

IXSP

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Spik

eSp

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Splic

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PA

rrea

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ntA

msu

stA

mnu

ril

CO

MPO

UN

DS

xeJL

xaJL

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t%

ag/I

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iet

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pb)

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Rec

uver

y(p

Enn)

axJm

LR

awee

ry(p

pae)

ag/m

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cxm

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thin

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400

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479.

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Die

xatb

ian

(xis

)94

000.

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D10

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10.0

154

10.6

S

0.40

05.

3N

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.00

10.0

100

10.0

SD

insa

tldex

111a

m)

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ted

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ed%

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RO

GA

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CO

MPO

UN

DS

Am

exet

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Am

exet

Am

seet

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reer

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nnex

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nnex

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mex

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mee

nt.Bo

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IXS

aykt

hale

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45.

0018

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471.

0010

9E

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5.05

lOS

5.00

0

OFl

ag:

MeW

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ank

cont

aine

ddi

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ence

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Sam

ple

used

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maS

t9i

lke

ceet

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xaod

eam

abov

ebear

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and/

xeke

tmfe

kag

peak

s(0

mno

tce

ded)

Ceetf

fle

db

y:_

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__

__

__

__

__

__

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__

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icha

elS.

Ban

ner,

Ph.D

BO

NN

ER

AN

AL

YT

ICA

LT

EST

ING

CO

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C0CE

DC

cc

cas

aa

aa

aa

00

C

CO

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AY

AA

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CAL

TE

ST

ING

CO

MPA

NY

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AN

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TIV

ER

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AN

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YA

sthm

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csD

ATA

DIO

XA

TRIO

N/

DIO

SEN

ET

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HFI

.CA

NA

LYSI

SD

ATA

ESm

o:H

ercu

les

Cal

Act

nd:

5)16

/200

810

15O

lent

Sam

ple

Typ

e:W

ater

Sam

ple

ID:

HE

R41

WO

8-05

1608

Eot

nact

ed:

5/20

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810

08ED

REi

OY

XttO

OM

etho

d:5W

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3515

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8163

4A

naly

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5/30

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27D

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Met

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Mod

ified

SWR

4AD

ate

Ana

lynt

SAM

PLE

MET

HO

DBL

AN

KLa

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ontr

olM

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Det

aded

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ted

Sorti

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Spir

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spik

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24.

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mai

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iot

Am

ount

CD

MPD

UN

DS

unJL

ug/L

Anm

uot

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Am

ount

%u/

mL

Am

ount

%ag

/eL

Am

ount

%(p

yb)

pipE

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/LR

ecov

ery

(ppb

)09

/I.

Rec

over

y(p

pm)

og/m

LR

ecov

ery

(ppm

)og

/mL

Rec

over

y

Dio

nenn

thie

n0.

400

ND

0.47

0.18

10.0

9210

.0

Dra

natk

ron

(65)

0.40

0R

DR

D10

.40

10.0

104

10.5

0

0.40

0ND

PR)

10.0

010

.011

1010

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rooa

eiro

n(l

inus

)

Det

ecle

oSp

iked

%D

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ted

SpA

ced

%D

etec

ted

SpA

ced

%D

etec

ted

Opt

ical

SbSU

RR

OG

ATE

CO

I4PO

UR

DS

—R

muu

etA

mon

nIR

nm

cay

Am

ount

Am

ount

ato

yso

nA

mou

nt35

1510

/23f

fl5g

5)fl

)555

t35/2

haph

tbai

rne

15.9

5.00

310

5.47

5.00

109

6.24

SOD

125

5.00

0

B-F

lag:

Met

hod

blan

kco

ntai

ned

dion

eont

hion

covl

amin

abon

Sam

ple

anal

Per

mat

noou

keco

ntat

hcd

dicc

oati

des

abov

eR

eran

ungo

and/

erlu

erfe

eteg

peak

s(R

Ake

eve

repute

d)

Mic

oanI

S.B

oooe

r.Ph

.DR

ON

NE

RA

NA

Lfl

TC

AL

TE

STIN

GC

OM

PAN

Y

oE

Eb

O0

00

CE

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ez

CE

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C]0

BO

NN

ER

AN

AL

YT

ICA

LT

ES

TIN

GC

OM

PAN

YQ

UA

NTI

TATI

VE

RES

ULT

SA

ND

QU

ALI

TYA

SSU

RA

NC

EDA

TAD

IOX

ATH

IDN

/ DID

OEN

EflII

ON

HPL

CA

NA

LYSI

SD

ATA

Clie

nt;

Herc

ule

sC

olle

cted

:5/

16/2

008

5105

Clie

ntS

ampl

eTpp

e:W

ater

Sam

ple

ID:

Hkl

t-M

WI7

-051

658

Est

ract

ed:

5/20

/200

610

00[D

RE

.nte

adlo

eM

etho

d:5w

946

155C

CFi

leA

:81

8163

5A

naly

zed:

5/30

/200

888

46D

GA

Ana

lysi

sM

etho

d:M

odir

ed5W

846

Dal

eA

naly

st

SAM

PLE

MET

HO

DSt

AN

Kla

bC

eeln

olM

ATR

IXSP

IKE

Det

ecte

dN

(ake

Det

ecte

dS

pbe

Det

ecte

dSp

ike

Det

ecte

dSp

iRe

FQL

Am

ount

Aao

euet

Am

ount

Am

ount

CO

Mpo

UN

Ds

ug/L

ag/i

Am

ount

%up/i

Am

ount

Rhso

/mi

Am

ount

Rhog

/mL

Am

ount

Rh(p

pb)

(ppb

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/I.R

eom

my

(pyb

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/LR

econ

ery

(ppm

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Jmi

Rec

over

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pm)

up/m

iR

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Dio

nene

tloon

0.40

069

530.

479.t

l10

.092

10.0

5

-0.

460

ND

ND

10.4

610

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410

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(on)

0.40

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100

10.0

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iona

thio

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russ

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Det

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Det

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RO

GA

TE

CD

MPO

uND

SA

mnu

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muo

tj5

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oner

sA

mou

ntA

mou

ntB

5[D

555

Am

sunt

Am

ount

foto

sots

Nap

htkn

lene

tOO

5.00

2000

5.47

5.00

109

6.24

5.00

125

5.00

0

B-R

ag:

Met

hod

blan

kco

ntal

oed

dinu

enet

hion

cont

amin

atio

n

Sam

ple

used

fur

mat

essp

ike

cont

aine

ddi

ouat

hion

seb

one

linea

rra

nge

usA

/or

Inte

rfer

ing

peak

s(s

pike

not

repo

rted

)

Cer

oSed

by:_

__________________________

Mic

hael

S.So

oner

,Pb

.DB

aNN

ER

AN

AiY

TE

CA

LT

EST

ING

CO

MPA

NY