Internal Correspondence de: J.

BACK TO MAIN 3M ENVIRONMENTAL LABORATORY INHIBITORY FFECTS OFL-13492 O N ACTIVATED SLUDGE RESPIRATION REPORT COMPLETED: July 26, 1995 !

BACK TO MAIN Fluorochemical Decomposition Processes - April 4,2001 David A.

BACK TO MAIN BIODEGRADATION (Anaerobic Sludge) TEST SUBSTANCE___________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 217 (TN-A-2130).

Corporate Health Physics Corporate Occupational Medicine Corporate Product Responsibility Corporate Toxicology 3M Medical Department 3M Center, 220-2E-02 PO Box 33220 St.

fjVQ6-OOG6 Centre Analytical Laboratories, ine 3048 Research Drive Phone: (814) 231-8032 State College, PA 16801 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Drinking Water Samples Pensacola, FI (W2176) Centre Analytical Laboratory Report No. 023-007D Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

Ame-oai TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) TEST SUBSTANCE____________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95 or as part of the mixed product FM-3820 (see Remarks). (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test sample is FM-3820, a mixture of the test substance in diethylene glycol butyl ether and water (approximately 24-28% test substance in diethylene glycol butyl ether and water).

AR 226-035 SUMMARY OF HISTOPATHOLOGICAL EXAMINATIONS OF FATHEAD MINNOW (Pimephales promelas) EXPOSED TO 78.01 FOR 30 DAYS. p M - 3 V'Z"*-' RESEARCH REPORT SUBMITTED TO 3M COMPANY ST.

A R 30G -03: BIODEGRADATION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1l2,2,3.3,4)4 I5,5,6,6,7,7,8,8.8-heptadecafluoro-N-(2-hydroxyethyl)-I CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

PFOS Presentation to CMA, June 19,2000 Charles M.

M a ,se _ 6s ~5 PFOS 3Pharmacokinetic - 000163 * l-`i ci O 28 Day Percutaneous Absorption Study with FC-98 in Albino Rabbits r e c'A Mti i i t w T 6 )L\C ctifyf Experiment No.

AK.PA6 _ o7ll BIODEGRADATION (301E) 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).

ftR A & 6 - 0 7 4 8 READY BIODEGRADATION (OECD 301E) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

M - 077& TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE____________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfonic acid) (CAS # 2795-39-3).

M &Z6 - 0 7 2 9 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) 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).