internCaolrrespondence pi cc: James Boyd - Chemolite 116-1 Eileen Pasbender - 116-1 ' F.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component of FC-206C and L-5439. (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 3M productionlotnumber was 501.

AR226-0390 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: tPoerafsluPoFrDodSe,caFnCe-s1u2l1f-oXn,atoer, 3aMmmSoanmipulem Esa2lt1;1m2aayndalEs2o56b6e-1r.efe(r1r-ed D1e1c.a2n2e3s3u4l,f4o,n5i5c6.a6ci.d7,.7,8,89.9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) pRreompaarnokls,: 1T-e(s1t,1s-daimmpeltheylisetahomxiyx)t.ureThoifstmhiextteusrtescuobnsttaainncseaipnprwoaxtiemraatenldy22-2- 2pe6r%fitueosrtonsounbasnteasnuclef,on3a3t-e3,7a%mpmroonpainuoml,sa1l-t(1a,n1d-d3im8e-t4h2yl%etwhaotxeyr)),. 0.5-1.5% All values trheepoarctteudalrecloantceetnotrthaitsiomnixotfurteh.e tNesotcsaulbcsultaatnicoensinwethreetmesatdseamtpolaed.jusTtesftor material was from 3M production lot 1.

Le Flefer TH meatbesl Tes Aor 1 Extent and Route of Excretion of Total Carbon-14 in Pregnant Rats After a Single Oral Dose of Ammonium 4c-perfluorooctancate Sune 30, 1983 Conducted At: During: Conducted bys RSiukbesridiLaarbyoroaftoraies, Inc.

Oral Teratology Study of FC-95 in Rats Experiment No.: Conducted At: Dosing Period: Study Director: 0680TROOOB Safety Evaluation Laboratory Riker Laboratories, Inc.

BIODEGRADATION TEST SUBSTANCE Identity:[2-(N-Ethylperfluorooctanesulfonameitdhoy)lacrylatem;ay alsobe referredtoas Bl 228, D-1, ETFOSEA, or FX-13.(2-Propenoicacid,2[ethyl[heptadecafluorooctyl)sulfonyl]aminoe]settehry,ClAS # 423-825) Remarks: Materialisan amber solid.Sample puritynot recorded.3M lot number 13.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y also be referredtoas PFOS, FC-95, or as a component of FC-185F. (1Octanesulfoniaccid)(CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 1-2303.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassium salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 2367.

Z-7 BEV 1-80 ssawtwawa E.

AR226-2534 UNITED STATES EMVIBOH-IBOTAL PROTECTION AGENCY REVISED DRAFT PERMIT FOR CORRECTIVE ACTION UNDER THE HAZARDOUS AND SOLID WftSTE AMBCMENIS OF 1984 Permittee s Permit autilber; E.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE .IdentityP:erfluorooctanesulfonylamido(ethyl)acemtaaytea;lsobe referredtoas PFOSAA, FC-1 28 or as the major component of FC-127, FC-1 29, FC-109, or FC-1 09-X.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:[2-(N-Ethylperfluorooctanesulfonameitdhoy)lacrylatem;ay alsobe referretdoas B1228, D-1, ETFOSEA, orFX-13.(2-Propenoicacid,2[ethyl[heptadecafluorooctyl)sulfonyl]amiensot]eert,ChAySl # 423-825) Remarks:MateriiaslanambersolidS.amplepuritayndnotrecorded3.M lot number 13.

6 all Extent and Route of Excretion of Total Carbon-14 in Pregnant Rats 14 After a Single Oral Dose of Ammonium C-Perfluorooctanoate June 30, 1983 Conducted At: During: Conducted by: Riker Laboratories, Subsidiary of 3m St.

IN VITRO MICROBIOIDGICAL MUTAGENICITY OF 3t4 COMPANY'S COMPOUND T-3651 ASSAYS Final Report February 1985 V it I By: b&Ak:&@ Kathleen Okamoto, Microbiologist Microbial Genetics Department and ave@,6@, &C:t@7 Edward S.

ACUTE TOXICITY TO FISH (FATHEAD MINNOM TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatew,hich may also be referredto as PFOS, FC-95, or as a component of FC-206C and 81-2/8. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecaflpuootraos-s,ium salt,CAS # 2795-39-3) Remarks: The 3M producton lotnumber was not noted.