4 fU Z G _0 7 0 5 r MICROBIAL INHIBITION (DEHYDROGENASE ACTIVITY) TEST SUBSTANCE______________________________________________ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-201F. (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 not noted.

AP 3& 6- 07^8 STUDY SUMMARY OF ENVIRONMENTAL EFFECTS OF LIGHT WATER BRAND AFFF AND COMPONENTS -1991 TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (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).

Kendall B.

Pathology Associates International A Company of Science Applications International Corporation A nB npk9tC m m dO otiitm nr Sponsor: 3M St.

THE DEVELOPMENT SERVICES COMPANY AR6-0131 g~ y FINAL REPORT CHROMOSOMAL ABERRATIONS IN HUMAN WHOLE BLOOD LYMPHOCYTES WITH PFOS AUTHOR Hemalatha Murli, PhD PERFORMING LABORATORY Covance Laboratories Inc.

AR M6-0135 C O R N IN G Hazleton MUTAGENICITY TEST ON T-6342 IN AN /TVF7FD MOUSE MICRONUCLEUS ASSAY / FINAL REPORT AUTHOR Hemalatha Murli, Ph.D.

y ]-& & & & _ 0 7 % t MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE___________________________________________ _ Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

f\& xslG _ Oig!

Tennant Farm Herd Health Investigation rj 1 -f Cattle Team Report i ?

A \ |1 % PRo^& UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 Certified Mail Return Receipt Requested ASSISTANT ADMINISTRATOR FOR ENFORCEMENT AND COMPLIANCE ASSURANCE Andrea Malinowski (D-8078-1) E.I. du Pont de Nemours and Co.

/ N frU -0 5 2 .5 ACUTE TOXICITY TO FISH TEST SUBSTANCE_______________________________________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, FC-143 or as the major component of FC1015.

"Rogar J.

i?

H-24921: Dermal Sensitization Test - Buehler Method AR226-2804 DuPont-7977 TRADE SECRET STUDY TITLE H -24921: Dermal Sensitization Test - Buehler M ethod LABORATORY PROJECT IDENTIFICATION DuPont-7977 PSL Study Num ber 11321 Work Request N u m b e^jiB M Q Service Code N u m b e r ^ p DATA REQUIREMENT U.S.