BIODEGRADATION (301E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, oras a component of FC-3017. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfbnatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-3031. (1Octanesulfonicacid)(CAS # 2795-39-3).

WARF INSTITUTE, INC.

SOIL ADSORPTION (METHOD DEVELOPMENT / PILOT STUDIES) TEST SUBSTANCE_____________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamlde, N-ethyl1,1,2I2,3,3,4,4,5I5,6I6 I7I7 >8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-I CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

fm-oi% BIODEGRADATION TEST SUBSTANCE Identity: Perfluorooctanesulfonate, Ammonium salt; may also be referred to as PFOS NH4+salt or FC-93. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, ammonium salt, CAS #29081-56-9) Remarks: The test sample is a mixture of the test substance in isopropanol and water (25% test substance, 20% isopropanol, 55% water).

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PpXrOH'ft International Research and Development Corporation SPONSOR: 3M Company COMPOUND: Fluorad Fluorochemical FC-143 SUBJECT: Ninety Day Subacute Rhesus Monkey Toxicity Study.

oex pct : ART6-0133 International Research and Development Corporation _r---335 | SPONSOR: cowpounD: SUBJECT: 3M Conpany Fluorad Fluorochemtcal Surfactant FC-95 90-Day Study.

BIOACCUMULATION TEST SUBSTANCE Identity: NU-1E4t6h4y,ipEetrFfiOuSoAr,ooEcttPanOeSsAu,lfFo-n6a3m0i9d,e;ormaFXy-a1l2s.o b(1e- referred to as Octanesulfonamide, 1,1,2,2,3,3.4,4,5,5.6,6,7,7,8.8.8heptadecafluoro-N-ethyl-, CAS# 4151-502) Remarks: Material is a white solid of uncharacterized purity.

AR 286 - 0790 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTSU~B ~~ STANGE Identity: rAefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6aolrsoL-be 3243. (1-Octanesulfonic acid) (CAS# 2795-39-3).

BACK TO MAIN BIODEGRADATION (Pure Microbial Cultures) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (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 217 (TN-A-2130).

BACK TO MAIN BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

AR226-2782 FOR DP roar USE ONLY Copies to:!

-2- Absorption of FC-143-14 C In Rats After a Single Or&) 0060 December 28* 1979 WC#\ JAN I Pi1'980 Conducted at: During: Conducted by; Report by: Reviewed by: Riker Laboratorl*s,Inc.

ALGICIDAL ACTIVITY TEST SUBSTANCE IdentityA:mixturceontaininpgerfluorooctanesulfownhaitceh,may alsobe referredto as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonicacid)(CAS # 2795-39-3).