3M GLP10-01-02; Interim Report 23 Analysis of PFBS, PFHS, and PFOS in Groundwater Samples Off-Site 610 Wells; September 2011 GLP10-01-02; Interim R eport 23 - A n a lysis o f PFBS.

F y r- 0500 - 137i ARUG-oot/0 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 M ains No Cfil May 25, 2000 FYI-00-001378 O FFICE O F PREVENTION, PESTICIDES AND TOXIC SU BSTA N CES FY I-0 0 -0 0 1 3 7 B DA3SS3MMtpti.trenePcCC:caitaeuWoolnlmtr,yit,lepMlEMriaa,nnNmaBvytil,eArdrIo5ginan5W.clm1.s24e3eGp4n6prt-oan1lueB,rpH,-1Pe0haltDh., Safety & Regulatory Affairs SUBJECT: FYI-0500-01378 85000000003 er--DICo\n3cCD 1mDO 'n r 3?

Attachments to Letter to C.

BACK TO MAIN PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN FISH-EATING WATER BIRDS John P.

COVAH^ THE DEVELOPMENT SERVICES COMPANY Sponsors: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

COVAH^ THE DEVELOPMENT SERVICES COMPANY Sponsor: 3M St.

ARox-oisy Attachments to Letter to C.

PFOA Attachments to Letter to C.

f y i - o r o o - /3 7 < f Attachments to Letter to C.

3M General Offices mH?

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AkA.n6.oG%0 raceAnalytical" Field Services Division Pace Analytical Services, Inc. 1700ElmStreet, Suite200 Minneapolis, MN55414 Phone: 612.607.1700 Fax: 612.607.6444 Port St.

0730 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) 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).

U- HPf MSLSLb- 1033 M fa- z r V1 DuPont Chtmical Solutojuo Entirp P.O.Box 80023 Wilmington.

AH.Z7.6- tO lg UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 Dear Interested Party: MAR 28 2002 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES Attached is a copy in PDF file format (389KB) of the Draft Hazard Assessment O f Perfluorooctanoic Acid (PFOA) And Its Salts, prepared by the Risk Assessment Division of the EPA Office of Pollution Prevention and Toxics.