AA S & G -08/ TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

wt a SLanadmMVyiceR.ecPZoobsDetrleoMnrD ME 5M Medical Department 8MP1l7aG5el3neNS:1N8B1u$iO5d1fi6nf8g1(020200.06:%08 661733 S152 Fax 3M June 27,200 : Sue Shallal, Ph.D.

AR226-2397 B(^ polymer Products Department Research & Development Division Experimental Station cc: M.

r )93 Developmental changes in the expressionof genes in,,,olved in cholesterolbiosynthesisand lipidtransportin human and ratfetalan'd neonatal livers iviarcS.

7ri@@ RETRCOEECXEEI3lCtvVrIr-F--yDD@ Enhanced Elimination of 14 FC-143- C in Rats with Cholestyramine OLOG 3m TOXICOLOGVY-- and Treatment March 5, 1980 Conducted at: D-iring: Conducted by: Report by: Reviewed by: Riker Laboratories, Subsidiary of 3M St.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-602. (1Octanesulfoniaccid)(CAS # 2795-39-3).

Pathology and Toxicology Riker Laboratories, Inc.

A R f t S -0331 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS #4151-50-2) Remarks: Material is a white solid, lot 505 (cc842-3, F6309, L-1089).

ARm-om Compound-Specific, Quantitative Characterization of Organic Fluorochemicals in Biological Matrices Kristen J.

Experim ent No.: Conducted At: D ates Conducted: Conducted By: Reviewed By: Primary Skin I r r it a t io n T e st w ith T-3421 in A lbino R abbits 0883EB0288 ARUfe-OatZ V % Safety Evaluation Laboratory Riker L ab o rato ries, Inc.

MICROBICS MICROTOX TO XIC ITY TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

M S ik 6 -0 S jS ' 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-600. (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 628.

<5 ~ c\ l 0 ' t 2-45 R E V 12-79 ilD CC: S.

Internal Correspondence *7ARlTJo-OHtH oaJ To: D.

f Division of Biology and Safety Evaluation PROJECT NO. 81-2571 EMBRYOFETAL TOXICITY AND TERATOGENICITY STUDY 0F| [BY INHALATION IN THE RAT Final Report Submitted to: E.