M 2 S 6 _ 373C Andrea V.

P-1 fflU T O May 24, 2007 fl -2 Z & 3 7 & / ' 07_ li7 7 7 " '" 77 0: 03 DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

INTERIM REPORT #29 - Reanalvsis of Soil and Sludge Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (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 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 August 27, 2007 PERFORMING LABORATORY MPI Research, Inc. 3058 Research Drive State College, PA 16801 Phone:814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

AR _ 07t3 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (SCUD) TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

AK *26 - 0177 BIODEGRADATION (BOD/COD) TEST SUBSTANCE_________________________________________ __ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 56 - OE!

O Z 8 H 4 R A A 6 - ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).

\ IN WATER (3/15/84) and (6/4/84) o '1 CO LOCATION .

GLP10-01-02.

3M ENVIRONMENTAL LABORATORY REPORT NO.

KnvironnuTital Tit'hmilojjv and Svnicts I'O Hi |\ <; i l | Si.

WARF INSTITUTE, INC.

HAZLETON LABORATORIES AMERICA.

Pathology and Toxicology Riker Laboratories, Inc.

Po ri . 6 / 4 / 11 TECHNICAL REPORT SUMMARY BACK TO MAIN U.llB ' " ` 2- 5-81 TO: TECH N ICA L COMMUNICATIONS CEN TER - 201-2CN /Important - If report is printed on,both sides o f paper, send two copies to TCC.)