AR226-3160 DuPont-2921 TRADE SECRET Study Title H-23925: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-2921 Author: Carol Finlay, B.A.

y/l AA - 3JLO DuPont-11418 M UC- &O TRADE SECRET Study Title H-25425: Subchronic Toxicity 90-Day Gavage Study in Rats with One-Generation Reproduction Evaluations Volume 5 of 5 Laboratory Project ID: DuPont-11418 Test Guidelines: U.S.

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AR226-3368 Bacterial Respiration Inhibition Studies of FluorotelomerBased Products W.R.

000206 00 -h\-hi ~srvW C-8 Level Locations Other than Washington Works Location Wilmington Haskell No. of Samples 32 9 PPM C-8 Ranee ND ND - 0.030 PPM C-8 Average ND 0.007 Chestnut Run 15 ND - 0.043 0.006 Spruante 27 ND - 0. 070 0.027 c Fairfield 5 ND - 0.048 0.014 c Toledo 7 ND - 0.014 0.003 Circleville 10 ND - 0.030 0.014 f \ Xi Company Sanitized.

P-1 `uLD N T R A A L INSTITUUT VOOR YOEDINGSONDERZOEK y tr *chaewej 48 Zelsc CENTRAL INSTITUTE FOR NUTW TION AN D FOOD RESEARCH - 3 8 0 -6 ?

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

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 238585 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 07/29/2005 Signature Name: Richard C.

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l&> 3M General Offices 3M Center St.

Katherine E.

ftRl%-0 2 3 5 3M Environmental Laboratory Final Report- Analytical Study Single-Dose Intravenous Pharmacokinetic Study of T-6052 in Rabbits In-Vivo Study Reference Number: HWI#6329-134 Study Number: AMDT- 111 694.1 Test Substance: FC-120 (T-6052) Name and Address o f Sponsor: 3M SCD Division 367 Grove Street St.

AR Two Year Oral (Diet) Toxicity / Carcinogenicitv Study of Fluorochemical FM-3924 in Rats Riker Experiment No. 0281CR0012 Review by Dr William H Butler At the request of 3M Corporate Toxicology, Thave reviewed the above study with specific regard to the evidence of carcinogenicity of FM-3924.

Pathology and Toxicology Riker Laboratories, Inc. r"s Building 270-3S-05, 3M Center 'I St.

AR226-1030A008 BACK TO MAIN Summary of Nave Rat/Rat Chow/Fish Meal Study Analyses Conducted by the 3M Environmental Lab (prepared 03/01/01) Nave Rats (Taken from summary report issued in 1998.)