3M General Offices S631Mt.2PC7a3ue3nl,te1Mr1N1055144-1000 BACK TO MAIN May 15, 2001 4OUWDA0SfTo1afcTisEcuhMNenmin:voSegiSfnrttroeoPtecnnPoetm,tilr,oloDuenScnt.iCeWt8osa.

BACK TO MAIN PFOS: A 96-HOUR TOXICITY TEST WITH THE FRESHWATER DIATOM {Navcula pelliculosa) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN Centre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com ^P h on e : (814)231 -8032 Fax: (814) 231 -1253or (814) 231 -1580 Analytical Report Fluorochemical Characterization of POTW Effluent Cleveland, Tennessee (W1973) Centre Analytical Laboratory Report No. 023-0141 (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 WATER SOLUBILITY IN NATURAL SEAWATER AND 3.5% SODIUM CHLORIDE SOLUTION - SHAKE FLASK METHOD TEST SUBSTANCE__________________________________ Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (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 test substance is a white powder.

BACK TO MAIN Type Test ENVIRONMENTAL LABORATORY AQUATIC TOXICITY DATA SHEET EXPLORATORY (RANGE-FINDING TEST) Material T ested lr_ 0 4 A 4 cvW Test Organism>^7y/^; /^/A/A^lSo.

Form 10620-5-PWO cc: LAB REQUEST BOOK - 42-5W PRODUCT ECOLOGICAL ASSESSMENT REQUEST FOR LABORATORY WORK Ref: EN VIR.

AR22>-D0% PROTOCOL DETERMINATION OF THE MELTING POINT/MELTING RANGE OF PFOS OECD Guideline for Testing o f Chemicals, 103 Melting Poinl/Melting Range 3M Lab Request No.

M2&-0236 Attachments to Letter to C.

Attachments to Letter to C.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

MUG-O M 3 OCTANOL/WATER PARTITION COEFFICIENT TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

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