Daniel Bough lnstifugeof Anatomy Department of Anatomy Office of &he Director and Chairman RECEIVT- =D NOV 2 2 TOXICOL@- _-y Philadelphia.19107 (215) 928-7820 November 19, 1982 Dr.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfonamtaey; alsobe referretdo as PFOS, FC-95,or as a component ofFC-203C and L-5440.(1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecpaoftlausosriou-m, saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.The test sample isFC-203C and isreferretdo by thetestinglaboratoryas "81-1/8".

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SU 3STANCE Identity:Mixturecontainingperfluorooctanesulfonawtheich may alsobe referredtoas PFOS, FC-95, or as a component of FC-203FC. (1Octanesuffoniaccid)(CAS # 2795-39-3).

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component ofFC-206C and L-5439. (1-Octanesulfoniacdid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafploutoarsos-i,um salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 501.The testsample is referredtoas L-5439 and FC-206C.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y alsobe referredtoas PFOS, FC-95, oras a component ofFC-206C and 81-2/8.(1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafploutoarsos-i,um salt,CAS # 2795-39-3) Remarks: The testsample isFC-206C.

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26) OECD 206-OPPTS 850.2300, Pilot chronic avian toxicity (Northern Bobwhite), ldlife International, Ltd.

3 1) TGA in air and helium (Decomp. onset: 505C (He), 522C (Air) and DSC Contains No CBI 100 - 80- 60- 8 sE.a 40- 20- 0 ~"'I"~'I'"""I'"'1'"'I'"'1"" 0 100 200 300 400 500 600 700 800 Temperature, C PFOS Salt (C8F17S03K) 100 ___.. 80 60 8 sE.s 40 20 0 0 100 200 300 400 500 600 700 800 Temperature, C PFBS Salt (C4F9S03K)

3M Specialty Materials ~~~ 3M Center P .

"McCrea, Deborah" <mccrea@taftlaw .com> 09/01/2009 11 :30 AM To cc bcc Subject NCIC OPPT@EPA "Bilott, Robert A."

Taft/ 425 Wau Set, SteC18n00cCinCinval,naONC4o52e0n23s95/7DaTgooln51n3.a3n81a.p28o3l8/FNx:or513.e381.0TK20e5tntSuctkyotrutoweHaollstSecreUogP SRooigageuArsaBnmcoorne 4226-3928 February 4, 2010 VIA ELECTRONIC AND U.S.

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EQ)HAZLETON vowoneswomans Chem&Biitcteadeln Sconces Deon oT KINSHAN BLVD. + 70, 50%7545 MADISON, WISCONSIN 53707 + PHONE(608) 214471 + TLX 700956 HAZAAL MOUDR REPORT OF aneLYSIS Do0fThrooo ne. | ua , ce.annSecOoTRhImcEekKeip rURRCTURING Te ees sanpLE: T-3609 PURCHASE ORDER NBER: T3171 sarmLE NBER: 407033 J RErORT PRUNES: 10075: ENCLOSED: | GUINNeER PIGBrMAoKnIHkIZATION -- METHOD, SUMMARY steneD: SSSDTLToEeoSeaeeehhroaonbne Weg.

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