M 2.2-6. _ / / S > _______ -out SAW HM Compositor of Tootod Products, Dermal Contact AtoaorototYToxleolofly Study (PFQS, PFHS, M570) .c&s- _______ Dectmber 4,2002 - ._______ T-7068^NqukO, T-7333(dHsd) Com oonont Nm m W ATER IS Q 6 U T A N E ^ -ffO X YPR O PO X Y)-a* PROPANOL t-ilETH O X Y**PR O PA N O L tETH YL ALCOHOL 7 * J _______..................

M&M- \& i DuPoni Engineering Earley Mill Pla:a - Blrhj. 27 Lancaster Pil.e & Fits.

W 8 S 6 - \Jht~] Dure:;; Enginsari-u Saris!'

COLUMBUS.

D u P o at H ask ell L ab o rato ry :u*bkHufcad -loarrauv w Tmeaoqi ma immm Meatiie 3 cm tart. .1 3<aJO tawwxaE '5714-181 /S S S June 13, 2000 Or.

SRPT T-629-.8, T-6889.1, T-6316.4 DT15-A M S & b -lb itf 3M M E D IC A L DEPARTMENT, CORPORATE TOXICOLOGY Title: Inter-Species Comparison of Mechanisms Fluorochemical Toxicity following Intraperitoneal dosing of perfluorooctanesulfonate (PFOS, T-6295) or ammonium perfl^iorooctanoate (APFO, T-6889) in Rats and Guinea Pigs and oral dosing of N-ethyl perfluorooctanesulfonamido ethanol (N-EtFOSE, T-6316) in Rats.

S O HEM S AR226-2469 -o ; 8/7, DuPont Washinspim Worts P. 0.

M ia-7/g Ciba Specialty Chemicals Corporation USA Regu^tory Services S O-' RECEIVED 05 JUN n AHffl-* } 7 SANITIZED L Ciba DIIII IIIIIMilIII IIIIII 8 EHQ - O ) 5 6 June 9, 2005 ^ 9 - otfor - /*osr ederal Express Confidential US Environmental Protection Agency 1 OPPT Document Control Office Mail Code 7407M Attention: Section 8(e) Submission EPA East Building, Room 6428 Company Sanitized 1201 Constitution Avenue NW Washington, DC 20460-0001 Subject: TSCA 8 (el Notice - Cyclohexene-carboxylic acid, ffdi-propenylaminol carbonyll- sodium salt, reaction products with pentafluoroiodoethanetetrafluoroethvlene telomer, ammonium salts Dear Section 8(e) Coordinator: This letter contains Confidential Business Information (CBI).

TRADE SECRET Study Title H-24001: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2924 AR226-3203 D uPont-2924 Supplem ent N o. 1 Author: Carol Finlay, B.A.

Company Sanitized.

AR226 3345Perfluoroalkylated Substances in the Environment : gWhat are they?

P-1 ^ 3 6 . 2> 83 INTERIM REPORT # 23 - Analysis o f Sediment Sample STUDY TITLE Analysis o f Perfluorobutanesulfonste (PFBS), PeriluorohexanesuLfonate (PFHS), and Perfluorooctanesulfbnate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal liv er and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program , DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE May 2,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 S i Paal,M N 55144 Phone: 651-733-6374 pro ject Protocol Number: P0001131 Exygen Study Number: P0001131 Total Pages: 110 P-2 Interim Report #23 - Analysis of Sediment Samples Exygen Study No.: P0001131 QUALITY ASSURANCE STATEMENT Exygen Research's Quality Assurance Unit reviewed Exygen Study Number P0001131, entitled, "Analysis o f Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfhiorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program".

3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

3M General Offices 3M Center St.

ANALYTICAL REPORT '/k^/oy STL A/3G 3 3 7 \jC STL Denver 4 9 5 5 Yarrow Street Arvada, CO 8 0 0 0 2 Tel: 3 0 3 7 3 6 0 1 0 0 Fax: 3 0 3 4 3 1 7 1 7 1 www.stl-inc.com PFOA/PFOS Analysis Lot#: D7G270329 Laura Vancho/Jane Hanuszczyk NJ American Water 213 Carriage Lane Delran, NJ 08075 TestAmerica Denver Gail DeRuzzo Project Manager August 12,2007 DEP2-SDWB-000001 METHODS SUMMARY D7G270329 ANALYTICAL PARAMETER_________________________________________ METHOD______ LC/MS/MS, PFOA DEN -LC-0012 References: DEN Severn Trent Laboratores, Denver, Facility Standard Operating Procedure.