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AR226-2520 Stephen R Peck 11/12/02 02:08 PM To: Ronald V Crosmun/CL/DuPont@DuPont cc: John E Crum/SE/DuPont@DuPont, Ta-W ei Fu/SE/DuPont@DuPont, Leo M Lech/DuPont@DuPont, Thomas W Mahlberg/SE/DuPont@DuPont, Mark E Reeder/SE/DuPont@DuPont Subject: Eureka!

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P-1 Perfluorinated Sulfonic Acids and Perfluorinated Carboxylic Acids by HPCL/MS 11 Client: Project: Sample Matrix: Sample Name: Lab Code: Analytical Report Camp Dresser & McKee, Incorporated (CDM) Baron & Budd P.C/95779-75319 Water Field Blank #1 K1000911-001 P-2 Service Request: K1000911 Date Collected: 2/ 1/10 0948 Date Received: 2/ 2/10 Units: ng/L Basis: NA Perfluorinated Sulfonic Acids and Perfluorinated Carboxylic Acids by HPLC/MS Analytical Method: PFOA Prep Method: Method Analyte Name Perfluoro-n-tetradecanoic acid Perfluoro-n-tridecanoic acid Perfluorobutanesulfonate Perfluorobutanoic Acid Perfluorodecane Sulfonate Perfluorodecanoic Acid Perfluorododecanoic Acid Perfluoroheptanoic Acid Perfluorohexanesulfonate Perfluorohexanoic Acid Perfluorononanoic Acid Perfluorooctanesulfonate Perfluorooctanoic Acid Perfluoropentanoic Acid Perfluoroundecanoic Acid Result Q ND U ND U ND u 0.31 J ND u ND u ND u ND u 0.12 J 0.34 J ND u 0.39 J ND u 0.40 J ND u MRL 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 MDL 0.46 0.95 0.029 0.11 0.095 0.48 0.85 0.081 0.030 0.11 0.12 0.046 0.066 0.11 1.3 Dilution Date Date Extraction Analysis Factor Extracted Analyzed Lot Lot Note 1 2 1 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/9/10 06:46 105462 190362 1 2/4/10 2/9/10 06:46 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/9/10 06:46 105462 190362 1 2/ 4/10 2/9/10 06:46 105462 190362 1 2/ 4/10 2/9/10 06:46 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 1 2/ 4/10 2/9/10 06:46 105462 190362 1 2/ 4/10 2/8/10 20:54 105462 190362 Surrogate Name Perfluoro-n-[l,2,3,4,5-13C5] nonanoic acid Perfluoro-n-[l,2,3,4-13C4] butanoic acid Perfluoro-n-[l,2,3,4-13C4] octanoic acid Perfluoro-n-[l,2-13C2] decanoic acid Perfluoro-n-[l,2-13C2] hexanoic acid Perfluoro-n-[1,2-13C2]dodecanoic Acid Perfluoro-n-[1,2-13C2]undecanoic Acid Sodium perfluoro-l-[l,2,3,4-13C4] octanesulfonate Sodium perfluoro-1-hexane[1802]sulfonate %Rec 103 81 90 100 83 67 56 77 80 Control Limits 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 Date Analyzed 2/8/10 20:54 2/9/10 06:46 2/8/10 20:54 2/8/10 20:54 2/9/10 06:46 2/8/10 20:54 2/8/10 20:54 2/8/10 20:54 2/9/10 06:46 Q Note Comments: Printed 2/23/10 13:35 \\Inflow2\Stariims\LimsReps\AnalyticalReport rpt Form 1A 12 SuperSet Reference: 10-0000n 5093 rev 00 Client: Project: Sample Matrix: Sample Name: Lab Code: Analytical Report Camp Dresser & McKee, incorporated (CDM) Baron & Budd P.C/95779-75319 Water Ellyson "Raw" K1000911-002 p.3 Service Request: K1000911 Date Collected: 2/1/10 1002 Date Received: 2/ 2/10 Units: ng/L Basis: NA Perfluorinated Sulfonic Acids and Perfluorinated Carboxylic Acids by HPLC/MS Analytical Method: PFOA Prep Method: Method Analyte Name Perfluoro-n-tetradecanoic acid Perfluoro-n-tridecanoic acid Perfluorobutanesulfonate Perfluorobutanoic Acid Perfluorodecane Sulfonate Perfluorodecanoic Acid Perfluorododecanoic Acid Perfluoroheptanoic Acid Perfluorohexanesulfonate Perfluorohexanoic Acid Perfluorononanoic Acid Perfluorooctanesulfonate Perfluorooctanoic Acid Perfluoropentanoic Acid Perfluoroundecanoic Acid Result Q ND U ND U 1.6 J 1.9 J ND u ND u ND u 2.7 J 9.3 4.2 J 4.1 J 12 6.8 4.7 J ND u MRL 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 MDL 0.46 0.95 0.029 0.11 0.095 0.48 0.85 0.081 0.030 0.11 0.12 0.046 0.066 0.11 1.3 Dilution Date Date Extraction Analysis Factor Extracted Analyzed Lot Lot Note 1 2/ 4/10 2/8/10 21:01 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 1 1 1 4/10 2/9/10 06:56 105462 190362 1 2/4/10 2/9/10 06:56 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 1 2/ 4/10 2/9/10 06:56 105462 190362 1 2/ 4/10 2/9/10 06:56 105462 190362 1 2/ 4/10 2/9/10 06:56 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 1 2/ 4/10 2/9/10 06:56 105462 190362 1 2/ 4/10 2/8/10 21:01 105462 190362 Surrogate Name Perfluoro-n-[l,2,3,4,5-13C5] nonanoic acid Perfluoro-n-[l,2,3,4-13C4] butanoic acid Perfluoro-n-[l,2,3,4-13C4] octanoic acid Perfluoro-n-[l,2-13C2] decanoic acid Perfluoro-n-[l,2-13C2] hexanoic acid Perfluoro-n-[ 1,2-13C2]dodecanoic Acid Perfluoro-n-[1,2-13C2]undecanoic Acid S o d iu m p e r flu o r o -1 -[1,2,3,4 - 1 3C4] o c ta n e s u lfo n a te Sodium perfluoro-1-hexane[1802]sulfonate %Rec 95 79 104 100 82 59 50 74 82 Control Limits 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 Date Analyzed 2/8/10 21:01 2/9/10 06:56 2/8/10 21:01 2/8/10 21:01 2/9/10 06:56 2/8/10 21:01 2/8/10 21:01 2/8/10 21:01 2/9/10 06:56 Q Note Comments: Printed 2/23/10 13:35 \\lnilow2\Starlims\LimsReps\AnalyticalReportrpt Form 1A 13 SuperSet Reference: 10-0000135093 rev 00 Client: Project: Sample Matrix: Sample Name: Lab Code: Analytical Report Camp Dresser & McKee, Incorporated (CDM) Baron & Budd P.C/95779-75319 Water Ellyson "Treated" K1000911-003 P-4 Service Request: K1000911 Date Collected: 211/10 1015 Date Received: 21 2/10 Units: ng/L Basis: NA Perfluorinated Sulfonic Acids and Perfluorinated Carboxylic Acids by HPLC/MS Analytical Method: PFOA Prep Method: Method Analyte Name Perfluoro-n-tetradecanoic acid Perfluoro-n-tridecanoic acid Perfluorobutanesulfonate Perfluorobutanoic Acid Perfluorodecane Sulfonate Perfluorodecanoic Add Perfluorododecanoic Acid Perfluoroheptanoic Acid Perfluorohexanesulfonate Perfluorohexanoic Acid Perfluorononanoic Acid Perfluorooctanesulfonate Perfluorooctanoic Acid Perfluoropentanoic Acid Perfluoroundecanoic Acid Result Q ND U ND U 1.6 J 1.6 J ND U ND U ND U 2.7 J 9.2 4.4 J 4.5 J 12 6.9 4.7 J ND U MRL 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 MDL 0.46 0.95 0.029 0.11 0.095 0.48 0.85 0.081 0.030 0.11 0.12 0.046 0.066 0.11 1.3 Dilution Date Date Extraction Analysis Factor Extracted Analyzed Lot Lot Note 1 2/ 4/10 2/8/10 21:09 105462 190362 1 2/ 4/10 2/8/10 21:09 105462 190362 1 2 1 4/10 2/9/10 07:05 105462 190362 1 2/ 4/10 2/9/10 07:05 105462 190362 1 2/ 4/10 2/8/10 21:09 105462 190362 1 2/ 4/10 2/8/10 21:09 105462 190362 1 2/ 4/10 2/8/10 21:09 105462 190362 1 2/ 4/10 2/9/10 07:05 105462 190362 1 2/ 4/10 2/9/10 07:05 105462 190362 1 2/ 4/10 2/9/10 07:05 105462 190362 1 2/ 4/10 2/8/10 21:09 105462 190362 1 21 4/10 2/8/10 21:09 105462 190362 1 2/ 4/10 2/8/10 21:09 105462 190362 1 2/ 4/10 2/9/10 07:05 105462 190362 1 2/ 4/10 2/8/10 21:09 105462 190362 Surrogate Name Perfluoro-n-[l,2,3,4,5-13C5] nonanoic add Perfluoro-n-[l,2,3,4-13C4] butanoic acid Perfluoro-n-[l,2,3,4-13C4] octanoic acid Perfluoro-n-[l,2-13C2] decanoic acid Perfluoro-n-[l,2-13C2] hexanoicacid Perfluoro-n-[ 1,2-13C2]dodecanoic Acid Perfluoro-n-[ 1,2-13C2]undecanoic Acid Sodium p e r flu o ro -l-[l,2 ,3 ,4 -1 3 C 4 ] octanesulfonate Sodium perfluoro-1-hexane[1802]sulfonate %Rec 90 83 93 100 82 61 49 * 71 81 Control Limits 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 Date Analyzed 2/8/10 21:09 2/9/10 07:05 2/8/10 21:09 2/8/10 21:09 2/9/10 07:05 2/8/10 21:09 2/8/10 21:09 2/8/10 21:09 2/9/10 07:05 Q Note Comments: Printed 2/23/10 13:35 \\Inflow2\Starlims\LimsReps\AnaIyticalReport.rpt Form 1A 14 Superset Reference: 10-0000135093 rev 00 Client: Project: Sample Matrix: Sample Name: Lab Code: Analytical Report Camp Dresser & McKee, Incorporated (CDM) Baron & Budd P.C/95779-75319 Water Davis "Raw" K 1000911-004 P-5 Service Request: K1000911 Date Collected: 2/1/10 1040 Date Received: 2/ 2/10 Units: ng/L Basis: NA Perfluorinated Sulfonic Acids and Perfluorinated Carboxylic Acids by HPLC/MS Analytical Method: PFOA Prep Method: Method Analyte Name Perfluoro-n-tetradecanoic acid Perfluoro-n-tridecanoic acid Perfluorobutanesulfonate Perfluorobutanoic Acid Perfluorodecane Sulfonate Perfluorodecanoic Acid Perfluorododecanoic Acid Perfluoroheptanoic Acid Perfluorohexanesulfonate Perfluorohexanoic Acid Perfluorononanoic Acid Perfluorooctanesulfonate Perfluorooctanoic Acid Perfluoropentanoic Acid Perfluoroundecanoic Acid Result Q 1.0 J ND U 0.91 J 0.89 J 0.23 J ND U ND U 1.4 J 3.0 J 2.1 J 0.36 J 4.1 J 4.0 J 2.4 J ND U MRL 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 MDL 0.46 0.95 0.029 0.11 0.095 0.48 0.85 0.081 0.030 0.11 0.12 0.046 0.066 0.11 1.3 Dilution Date Date Extraction Analysis Factor Extracted Analyzed Lot Lot Note 1 2/ 4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/9/10 07:15 105462 190362 1 2/ 4/10 2/9/10 07:15 105462 190362 1 2/ 4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/9/10 07:15 105462 190362 1 2/ 4/10 2/9/10 07:15 105462 190362 1 2/ 4/10 2/9/10 07:15 105462 190362 1 2/4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/8/10 21:16 105462 190362 1 2/ 4/10 2/9/10 07:15 105462 190362 1 2/ 4/10 2/8/10 21:16 105462 190362 Surrogate Name Perfluoro-n-[l,2,3,4,5-13C5] nonanoic acid Perfluoro-n-[l,2,3,4-13C4] butanoic acid Perfluoro-n-[l,2,3,4-13C4] octanoic acid Perfluoro-n-[l,2-13C2] decanoic acid Perfluoro-n-[l,2-13C2] hexanoic acid Perfluoro-n-[ 1,2-13C2]dodecanoic Acid Perfluoro-n-[1,2-13C2]undecanoic Acid Sodium p erflu o ro -l-[l,2 ,3 ,4 -1 3 C 4 ] octanesulfonate Sodium perfluoro-1-hexane[1802]sulfonate %Rec 96 82 106 100 81 55 51 70 84 Control Limits 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 50-150 Date Analyzed 2/8/10 21:16 2/9/10 07:15 2/8/10 21:16 2/8/10 21:16 2/9/10 07:15 2/8/10 21:16 2/8/10 21:16 2/8/10 21:16 2/9/10 07:15 Q Note Comments: Printed 2/23/10 13:35 \'Jnilow2\Starhms\LimsReps\AnaIytica}Report.rpt Form 1A 15 SuperSet Reference: 10-0000135093 rev 00 Client: Project: Sample Matrix: Sample Name: Lab Code: Analyti

Analytical Report Fluorochemical Characterization of Aqueous Samples Decatur Outfall 001 FC Monitoring (E05-0543) Exygen Research Laboratory Report No.

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