AR 226 _ 0910 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-85, o as a component of FX-3103.

AR226-2396 \ -< INTEROFFICE MEMORANDUM Dates Froms Depts Tel No s S9-AU9-1988 03s43pm ANTHONY J.

BIODEGRADATION (OECD 301E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referretdoas PFOS, FC-95,oras a component ofFC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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).

AR 226. 0686 ACUTE TOXICITY TO FISH EST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-185F. (1Octanesulfonic acid) (CAS # 2795-39-3) Remarks: The 3M production lot number was 1-2303.

AR R26 -- 0752 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9i5u,oroorocatsanaescuolfmopnaotne,ewnohtficFhC-m2a0y3CaEl.so b(1eOctanesulfonic acid) (CAS # 2795-39-3).

AR 286 _ 0778 BIODEGRADATION (301E) IestsuesTANCE 0000 Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6.al(s1o-be Octanesulfonic acid) (CAS# 2795-39-3).

.

ee fier eboney fpfibasrt tnd= AR226 -0HHO o TWO YEAR ORAL (DIET) TOXICITY / CARCINOGENICITY STUDY OF FLUOROCHEMICAL FC-143 IN RATS (RIKER EXPERIMENT No. 0281CRO012) Vouume 4 oF 4 ConpucTep DURING APRIL, 1981 - Mav, 1983 RIKER LABORATORIES, Inc. / 3M COMPANY ST.

AR726-0508 CHRONIC TOXICITY TO FRESHWATER INVERTABRATES (Daphnia magna) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC- 116, FC-126, FC-169, or FC-143, pentadecafluoro-, ammonium salt, (Octanoic acid, CAS # 3825-26-1) Remarks: The 3M production lot number is 264.

BACK TO MAIN BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

AR226-2066 WASHINGTON WORKS INDUSTRIAL HYBIENE REPORT FROM l-Jan-1988 TO 31.-0ct~1.99l AREAt FLUOROCARBONS - COPOLYMER8 31-0ct-1991 Page 1 CHEMICAL SAMPLE LOCATION ft;CONTROL C-8/FC-143 Sl PERSONAL SAMPLE-FEP PROCESS DATE; 24-Feb-1988 NOTEBOOK!

(OHAZLEOCC3NLABORATAOMRERIICEA,SINC.. 9200 LEESBURG TURNF31KE, VIENNA.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-185F. (1Octanesulfonicacid)(CAS # 2795-39-3) Remarks: The 3M productionlotnumber was 1-2303.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FX-3104. (1Octanesulfoniaccid)(CAS # 2795-39-3).