D> ~ AAsuoerrC.hChaarrlleessB@eeppoammaai~Lleeppae.ggoovvoonn 00441/1111//22000000 0011::4400::3355 PPMM ph ery To: Dan C.

Sa (4 IN] 3 etm' AR226- 1078 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 5 628 Dear Interested Party: MAR 28 2002 PRETVEoNTnIOoNr,SrUiPBcESeSToTArNCCEEESSMO Attached is a copy in PDF file format (389KB)ofthe DraftHazard Assessment Of Perfluorooctanoic Acid (PFOA) And Its Salts, prepared by the Risk Assessment Divisionof the EPA Office of Pollution Prevention and Toxics.

on : con LE, RkoCsoerer oA,sareios r TELECOPY TAF' T, STET.TINIUS & HOLLISTERALLRPR26 1800 FIRSTAR TOWER 425 WALNUT STREET CINCINNATI, OHIO 45202-3957 wo 13T380E2000 -- June 10.2002 -- 1182 PB wd Sn Ee =g Z a3n3 = 55 Chris Negley, Esq.

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AR RRC _ 1228 FINAL REPORT PROTOCOL 418-027 O`WRIATLH (TGHAEVRAEGPE)ROCDOUMCBTIINOEND/DREEVPEELAOTPEMDEDNOTSAELTTOOXXIICCIITTYYSSTCURDEYENOIFNTG7T5E99S.T7 SPONSOR'S STUDY NUMBER: T-7599 FINAL REPORT DATE: 25 MARCH 2003 PROTOCOL 418-027 - ORAL (GAVAGE) COMBINED REPEATED DOSE TOXICITY STUDYOF T 7599.7 WITH THE REPRODUCTION/DEVELOPMENTAL TOXICITY SCREENING TEST SPONSOR'S STUDY NUMBER: T-7599 SUBJECT TABLE OF CONTENTS L SUMMARY AND CONCLUSION Ll.

NOTE TO FILE .

AR226 - 0TH yrmse Contain NO CBI EH _12R 00_ 3773 December 4, 2000 Pp HR oo bq S55 Document Processing Center (7407) (Attn: Section 8(e) Coordinator) Office of Toxic Substances US EPA 401 M Street, SW.

AVKatheErinepE.iRdeeed, PAD.

PERFLUOROOCTANESULFONATE, POTASSIUM SALT (PFOS): A 96-HOUR STATIC ACUTE TOXICITY TEST WITH THE RAINBOW TROUT (Oncorhynchusmykiss) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

AR226-1486 ENVIRONMENTAL AND HEALTH ASSESSMENT OF PERFLUOROOCTANE SULFONIC ACID AND ITS SALTS August 20, 2003 Prepared by 3M in consultation with Jack Moore, D.V.M., DABT, Hollyhouse, Inc.

ENVIRONMErNeTiArL LABOERrAtTaOnRY Analytical Report Revised August 12, 2005 Initial Quantitative Screening of Commercial Lots of Human Serum Obtained in 2004 for Endogenous Fluorochemicals Using Protein Precipitation and Liquid Chromatography/Tandem Mass Spectrometry Laboratory Request Number: E05-0120 Testing Laboratory 3M Environmental Health and Safety Operations 3M Environmental Laboratory 3M Environmental Laboratory Project Lead Mark E.

, i TesfReajilts AR226-2123 file:///C|/WINDOWS/TEMP/C-8-FC-143 Area 1-8-89 - 8-7-fll.htot TestResults Sample Date Range Concentration Range .

AR226-2178 Chris E Shoop 08/16/2001 03:27 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPont@DuPont Building Heights, etc.

AR226-2271 CITTr--"" ' ^ DebbiBJMulrooney 04/04Q00201:17PM To: cc: Subject Robert F Pinchot/DEV/AE/DuPont@DuPont Bernard J Reilly/ABDuPont@DuPont Deposition Results and Modeling Report @l Rob, Here are the deposition results for the 2003 emissions for Little Hocking and Lake Washington: Watershed Deposition Results - 2003 Emissio Also, here is the final modeling report: Final Modeling Report.di RP026414 EID582607