CorporatOeccupationMaeldicine 3M CenterB,uildin2g20-3W-05 St.PaulM,N 55144-1000 65''Lt34,230Telephone 6517339066Fax 1.HealthStatusofPlantWorkers ExposedtoFluorochemical-sa Preliminary Report Thispublishepdaperby Ube]etal(Am IndHyg AssocJ 1980;41:384-38p9r)ovideasn overview of fluorochemicalindustriahlygiene,medicalsurveillancaend epidemiology researchdata collectedinthe late1970'satthe Chemolite (CottageGrove, Nlinnesota) facilityT.he authorsconcludedthattotalorganicfluorinewas found intheblood of workers exposed to industriaflluorochemicals.Medical examinationof exposed workers and a briefsummary ofthe initiarletrospectiveepidemiologicmortalitystudy(seestudy # 2) ofthe plantemployees indicatedthattherewere no illhealtheffectsattributablteo fluorochemicalexposure.

JEFFERSON AIEDICAL COLLEGE of TliO,AIAS JEFFERSON UNIVERSITY Daniel Baugh Instituteof Anatomy Department of Anatomy Office of the Directorand Chairman Philadelphia, 19107 (215) 928-7820 November 12, 1982 Dr.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateF,C116, FC-126, FC-1 69,or FC-143.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (EASTERN OYSTER) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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.

To: From: Subject: Date: Study Files of Riker Experiments Nos. 0680TR0008 00668800778R00001200 0066881177R8O0019150 0680RR0018 k.

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IN VITRO MICROBIOLOGICAL MUTAGENICITY OF 3M COMPANY'S COMPOUND T-3727 ASSAYS Final Report arch 1985 m By: Kathleen Moto, Midr6biologist Microbial Genetics Department and Edward S.

JEFFERSON MEDICAL COLLEGE of THONTAS JEFFERSON UNIVERSITY Daniel Baugh Instituteof Anatomy Department of Anatomy Office of the Directorand Chairman Philadelphia, 19107 (215) 928-7820 November 12, 1982 Dr.

To: Froin: Subject: Date: Study Files of Riker Experiments Nos. 0680TROO08 OGSOTROO10 0680TROO20 0681TROO95 0681TRO110 068ORROO18 L.

WATER SOLUBILITY TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may also be referredto as PFOA ammonium salt,Ammonium perfluorooctanoateF,C116, FC-1 26, FC-1 69, or FC-1 43.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonamtaey; alsobe referredtoas 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-heptadecapfoltuaosrsoi-u,m saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was 501.

Experinent Nou: Conducted At: bates Conducted: Conducted By: Reviewed BY: Jute ocular Irritation Test with 7-349 in Albino Rabbits o88azB001L iSseae.fertpyauLlaB,bvoarlMauitanotnrieiosenost,LaabIonrcatory January 3, 1984 to January 10, 1984 BDooWs. avAarkroer, oItns S TSotxuidcyolDoigriescttor {zaatte KTSeanftorroTnoaxriiceroyl,log5ilst J Acute Toxicology lf we ar Xm.mL..

AR226-2761 LIVER STUDY OF WASHINGTON WORKS EMPLOYEES EXPOSED TO C-8: RESULTS OF BLOOD BIOCHEMISTRY TESTING WILLIAM E.

AR226-2927 FOR DUPONT USE ONLY Subchronic Inhalation Toxicity of Haskell Laboratory Report No. 182-85 I MR No, Haskell E.