-f\ R o iQ _ o s rs ~ PFOS Pharmacokinetic - 7 000223 C O V iH tfc I ^ the development services company Covane Laboratories Inc.

f i d Q.SL& - 0 6 3 J I BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR.A3.6 - 07^6 A C T IV A T E D S L U D G E R E S P IR A T IO N IN H IBITIO N T E S T T E S T S U B S T A N C E ___________________________________________________ Identity: A mixture containing perfluorooctanesulfonate; m ay a lso be referred to a s P F O S , FC-95, or a s a com ponent of F C -2 0 3 C and L-5440. (1-Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, C A S # 2795-39-3) R e m arks: The 3M production lot num ber w as 501.

M 6_ 0737 MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY) TEST SUBSTANCE__________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206A. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR *5 6 -o s y ^ ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE___________________________ Identity: A mixture containing perfiuorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

M A A 6 - OZH3 ACUTE TO XICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_______________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-602. (1Octanesulfonic acid) (CAS # 2795-39-3).

ACUTE TO XIC ITY TO FISH (FATHEAD M INNOW ) TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603F. (1Octanesulfonic acid) (CAS # 2795-39-3).

A R &S.6 _ O W BIODEGRADATION (BOD/COD) T E S T SU BSTAN CE___________________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFO S, FC-95, or as a component of FC-3041. (1Octanesulfonic acid) (C A S # 2795-39-3).

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Iif i 3M Study Title A n a l y s is o f e n d o g e n o u s F l u o r o c h e m ic a l s in No r m a l P o o l e d H u m a n S e r u m a n d Plasma Data Requirement 40 CFR Part 792 Author Mark E.

Aa a - Il yo DuPont Engineering Barley Mill Plaza Bldg. 27 Lancaster Pike & Rte.

/3f PFO S: A TO X IC ITY TEST TO DETER M IN E TH E EFFEC TS O F TH E TEST SUBSTANCE O N SEED LIN G EM ERG ENCE O F SEVEN SPEC IES O F PLA N TS FINAL REPORT WILDLIFE INTERNATIONAL, LTD.