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3M 3M Environmental Laboratory Project No.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 238586 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 07/29/2005 Signature Name: Richard C.

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.

Aft - 0706 ACUTE TO XIC ITY TO FISH 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) Rem arks: The 3M production lot number was not noted.

Ad slug - 0707 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-201F-X. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR - 0757 TO XICITY TO AQUATIC PLANTS 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).

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).

GLP10-01-02; Interim Report 07 Analysis of PFBS, PFHS, and PFOS in Water Samples from Decatur, AL June/July 2010 GLP10-01-02: Interim Report 07 - Analysis of PFBS.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

A P 3 -2 6 -O IH Study Title Static Acute Toxicity of FX 3820 to the Daphnid, Daphnia aacna Authors Timothy J.

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