2195 Front Street Logan, OH 4313S ONeEFftState rfOhio Environm ental Protection Agency Southeast District Office TELE: (740) 385-8501 FAX: (740) 385-6480 A R 2 2 6 -2 6 0 8 Bob Taft, Governor Christopher Jones, Director July 8,2002 Mr.

1anraster Laboratories 2 4 2 5 N e w Holland Pike * Lancaster, PA 1 7 601 AR226-2726 Analysis #0813FC - Revision 01 Supersedes Date: None Effective Date: 0 3 2001 Page 1 of 11 Extraction of Low Level FC-143 in Water and Wastewater Reference: Low Level Determination of FC-143 in Water, CH2M Hill, Inc., Oc Cross Reference: The following procedure is cross-referenced in this docun enL SOP-OE-001, "Glassware Cleaning for O r g a n i Scope: This method is designed to extract bC -U o lamrffbnium perfluorooctanoate) from water.

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AR226-2788 C-8 ALTERNATES: MATERNAL AND DEVELOPMENTAL TOXICITY IN THE RAT (PRELIMINARY STUDY, BY GAVAGE) HASKELL LABORATORY REPORT NUMBER 441-84 Copies Company Sanitized.

AR226-2828 Copies to: Han.

AR226-2884 E.

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Revolt N.

AR226-2988 Study Title ~ Eye Irritation Test with H-19913 in Rabbits Author John V.

M m 6 - 2l> 455 V l / u a * ,, 3-273 DuPont-9478 TRADE SECRET Study Title y^^j^^^yJ^HD aH^HurjatTtlOHapv^augbecShturdoymincRTatosxicity Volume 2 of 3 Laboratory Project ID: DuPont-9478 Test Guidelines: OUP.SP.TESPA87H0.e3a1l0th0E(1ff9e9c8ts) Test Guidelines AUTHOR: Gregory S.

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000^14 AfLAA- W O From: Barbara J Dawson on 03/05/99 10:23 AM To: Carol S Lyell/AE/DuPont@DuPont cc: Subject 1978-79 Cham bers W orks Organic Fluorine in Blood Monitoring Program At your request, i have reviewed and summarized the data contained in th e Cham bers W orks M edical topical files concerning the study performed in 1978-79 on organic fluorine levels in the blood of Cham bers W orks em ployees.

S - 3 -T ^ if ATTACHMENT A bmittai tc 000004 Precise Research.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 tip IO 513-381-2838 FAX: 513-381-6613 1 J DAYTON, OHIO OFFICE * SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 Robert A.

LETTER (lin ii.il Vixicnlogv.