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3M ENVIRONMENTAL LABORATORY REPORT NO.

INTERIM REPORT # 21 - Analysis of Soil Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE November 6,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

BACK TO MAIN 740101 ENVIRONMENTAL ENGINEERING LABORATORY AQUATIC TOXICITY WORK SHEET Type Test 96 Hours -*A ?

BACK TO MAIN PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN FISH-EATING WATER BIRDS John P.

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BACK TO MAIN WATER SOLUBILITY TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

BACK TO MAIN BIOCONCENTRATION (n-OCTANOL/WATER PARTITION COEFFICIENT) TEST SUBSTANCE_________________________________________ Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, FM-3925 or T-5874. (1-Octanesulfonamide, N-methyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is a cream-colored solid of uncharacterized purity Batch 2334.

BACK BIODEGRADATION TEST SUBSTANCE Identity: Remarks: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA, PFOA ammonium salt, Ammonium perfluorooctanoate, FC-116, FC-126, FC-169, or FC-143.

BACK TO MAIN ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________ Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

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Pathology and Toxicology Rlker Laboratories, Inc.

A R Xlr03W BOILING POINT TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid of uncharacterized purity.

ACUTE TOXICITY TO FISH ARW W TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride; may also be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, CAS #30735-7).

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