Covance Studies The attached report summarizes the results from the assessment of mitochondrial bioenergetics of hepatic mitochondria isolated from rats treated for 3 weeks with one of 4 doses (plus control) of dietary FC10.

BACK TO MAIN SOIL ADSORPTION (METHOD DEVELOPMENT) TEST SUBSTANCE__________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

Submitted to: BIOSEARCH, INC.

AR5.U-OH55 BIOSEARCH, INC. p.o. bo* 8598 Philadelphia, Pennsylvania 19101 telephone: (215) 848-4499 Submitted to: Material: Sample Received: Date of Report: Test: Object of Test: Procedure: ResuIts: Conclusion : 3M Company 3M Center St.

Interoffice Correspondence c :H .E .

A (L & & G - 0 7 / / ACUTE AQUATIC TOXICITY TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

3M Report: Bioaccumulation Studies A R 2X -0351 j.w.

A R ^ r O 40| ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

ft R W 6 - O M H 5 SrtduAfoud BIO-TEST laJymJjwM,, She. 1810 F R O N T A G E R O A D N O R TH B R O O K .

M A&6 - 0 ALGICIDAL ACTIVITY TEST SUBSTANCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

MSISL6- 068i> IN VITRO MICROBIOLOGICAL MUTAGENICITY ASSAYS OF THREE 3M COMPANY COMPOUNDS Final Report April 1978 By: Vincent F.

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).

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P hone: (814)231-8032 Fax: (814) 231-1253or (814) 231-1580 Analytical Report Fluorochemical Characterization of Surface Water Samples Cleveland, Tennessee (W1973) Centre Analytical Laboratory Report No. 023-014A (Revision 1) Revision Date 3/21/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of POTW Effluent Decatur, Alabama (W1979) Centre Analytical Laboratory Report No. 023-014J (Revision 1) Revision Date 3/26/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE_____________________ Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.