Summary N-EtFOSE Rat Teratology Study Numbers: 3MT-6316.7, Argus 418-011 Comoound & Lot: N-EtFOSE (N-Ethyl-Perfluoroocyanesulfonamido Ethanol) - Lot FM3923 (30035, 30037, 30039) 98.2% pure (SMD Analytical Request 52489) Analytical Documentation filed along with final report.

STUDY CODE : K01-1802 A R 1 2 S -O I3 C Receipt No.

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An Official Journal of the Society of Toxicology Supplem ent AR7XOI1X BEST COPY AVAILABLE A- TOXICOLOGICAL SCIENCES Formerly Fundamental and Applied Toxicology Academic Press 004204 Volume 42^ Number 1-S, March 1998 hiali levels of particulate matter.

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

Quality Assurance Project Plan Multi-City Study Sampling Task (N10Q666) iv ;* m m -p 9 5 Revision No.: I Effective Date: M ay 14,1999 Page i o f iv .

COViVfC^ THE DEVELOPMENT SERVICES COMPANY July 1, 1999 Covance Laboratories Inc. 9200 Leesburg Pike Vienna, Virglna 22182 Tel: 703/893-5400 Fax: 703/759-6947 Paul Lieder, Ph.D. 3M Corporate Toxicology Building 220-2E-02 St.

Quality Assurance Project Plan Multi-City Study Sampling Task (N100672) ' BACK TO MAIN Amendment 1 to Revision No.: 1 Effective Date: Junel6, 1999 Page 1 of3 Amendment 1 to the Quality Assurance Project Plan and Associated SOP's for Empirical Human Exposure Assessment Multi-City Study Sampling Task To June 16,1999 Prepared by Battelle 397 Washington Street Duxbury, MA 02332 (781) 934-0571 APPROVALS Donald Gunster \ Sampling Task Leader ^-- A)P Rosanna Buhl Battelle Sampling Task QA Officer Marcia Nishioka ' Battelle Project Manager JhMA Susan Abbgy| if u (j Battelle Program QA Officer tI ifln Date ' Date VV ?

Kendall B.

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

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' CAS Number 31506-32-8 3M Company AfLAaeJ^I Voluntary Use and Exposure Information Profile N-Methyl perfluorooctanesulfonamide I.

3M Chemicals 3M Center St.

M AS6 - 07- ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE___________________________ Identity: Mixture containing periluorooctanesulfonate, 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).