PHOTODEGRADATION (SOIL) TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl@, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidof uncharacterizepdurity.

InternCaolrrespondence To: From: Subject: Date: C" ERCIAL CHEMICALS ANALYTICAL REPORT #346 E.

BIODEGRADATION TEST SUBSTANCE Identity:Perfluorodecanesulfonataem,monium salt;may alsobe referred toas PFDS, FC-120,or3M Sample J2905-1.(1-Decanesulfonic acid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10heneicosafluoroa-m,monium saltC,AS # 67906-42-7) Remarks: Test sample isa mixtureofthetestsubstanceinwaterand butylcellosolv(eappmximately25% testsubstance,37.5% butyl cellosolvaend 37.5% water).Allvaluesreportedrelatetothismixture.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acetmaatye;also be referredtoas PFOSAA, FC-1 28 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

/0 Submitted to: BIOSEARCH, INC.

InternatioRneaslearcahndDevelopineCnotrporation SPONSOR: COMPOUND: SUBJECT: 3M Company FluoradS Fluorochemical FC-143 Ninety Day Subacute Rhesus Monkey Toxicity Study.

7ri@@ RETRCOEECXEEI3lCtvVrIr-F--yDD@ Enhanced Elimination of 14 FC-143- C in Rats with Cholestyramine OLOG 3m TOXICOLOGVY-- and Treatment March 5, 1980 Conducted at: D-iring: Conducted by: Report by: Reviewed by: Riker Laboratories, Subsidiary of 3M St.

CHRONIC TOXICITYTO FRESHWATER INVERTABRATES (Daphniamagna) TEST SUBSTANCE IdentityP:effluorooctanaocicda,mmonium saltm;ay alsobe referrteod as PFOA ammonium saltA,mmonium perfluorooctanoateF,C116,FC-126, FC-1 69,or FC-143.

TOXICITY TO AQUATIC PLANTS (E.G.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe 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 (MUMMICHOG) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatmea;y alsobe referredto as PFOS, FC-95,or as a component of FC-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 salt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was not noted.The test sample isFC-203C and isreferredto by thetestinglaboratoryas "81-1/8".

MICROBICS MICROTOXC TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, oras a component of FC-203CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonicacid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofL-4647. (1Octanesulfonicacid)(CAS # 2795-39-3).

ARRRE 3436 ~~ 40 ~ 000380 | "LL \ ARBRE -- 3436 CoB 800 LEVELS TH FENNES TRANSFERRED ou oF TEFLON | AGE a32 21 33 u 2 27 wv u 2 Do a 2. zn = = = LCE-A8VILNEGVETLEFWLHOENN 0.140 0.152 0.570 1.300 0.110 0.110 0.078 2.400 5.100 0.08 0.210 0.190 0.05 ous 0.2% 0.0 0.019 2.50 LCE-A8VILNEGVETLEFALFOTNER 0.086 0.120 0.390 0.980 0.08 0.00 0.065 2.0m sa00 0.083 0.200 0.110 0.01 oan 0.210 0.09 0.01 2.6m BNEUTMWBEEERNOSFWDPALYESS 143 12 140 126 128 ws 148 1s 126 us 130 wr M 127 127 16 TM ml -8% BCLHOAONDGELEIVNELS 1.5 -38.6 -3L.6 -24.6 "21s a -16.7 "16 137 12a Et "105 as "es Yt 0.0 0.0 ao WERE = 129 dys 5. 70 * The dommuard trend 1s statistically significant at 0.05 level using the paired-t toot, a127n1/0