` ARR26-009 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6CalEs.o b(1eOctanesulfonic acid) (CAS# 2795-39-3).

AR 226 _ 0850 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) IESTSU~ BS ~ TANC 000E 00 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1- Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 _ OLRE ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTSUBSTAN 000C 00 E Identity: rMeifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5r,ooocrtaansesauclfoomnpaotenewnhticohf FmCa-y30a0l3so. b(e1- Octanesulfonic acid) (CAS # 2795-39-3).

BACK TO MAIN ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: Perfluorooctanoic acid, tetrabutylammonium salt; may also be referred to as PFOA tetrabutylammonium salt, tetrabutylammonium perfluorooctanoate, N2803-2 or as a major component of L -13492.

BACK TO MAIN MULTI-CITY STUDY STUDY SPECIFIC SOPS For Project Number N100672-01 Submitted to May 2,2001 Prepared by Battelle Memorial Institute 505 King Avenue Columbus, OH 43201 Battelle Duxbury Operations 397 Washington Street Duxbury, MA 02332 Battelle Marine Sciences Laboratory 1529 West Sequim Bay Road Sequim, WA 98382 BACK TO MAIN SOP NO.: M3-MC-F-1.1 Page 1of 7 ..

BACK TO MAIN CEntre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com Phone: (814)231-8032 Fax: (814)231-1253or (814)231-1580 Analytical Report Fluorochemical Characterization of Sediment, POTW Sludge, and Landfill Leachate Samples Columbus, GA (W2336) Centre Analytical Laboratory Report No. 023-014U (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 16801 3M Environmental Laboratory Contact Kent R.

3M Manufacturing Facilities Analysis of Alfalfa Harvested from 3M Cordova, Illinois Plant Facility BACK TO MAIN Executive Summary 3M Environmental Laboratory June 21, 2001 In the fall of 2000, samples of alfalfa being grown on the 3M Cordova Plant (Cordova, Illinois) property were collected by plant personnel.

sfweyrresss ros ron ro, ran ACRRb=1812 ERo.cTheecshtneirc,al Report: Liver Fluorocarbon Metabolites -- University of Tide: `SummaryofQuantitative Analysis of Fluorocarbon Metabolites in Rat Liver Samples.

AR226-2004 CCs 1.1.5.1 Pebruary 8, 1988 /ZJ^- TO; ALL TEPLOH* PERSONNEL PROM!

AR226-2065 WASHINGTON WORKS INDUSTRIAL HYOIENE REPORT FROM 'l-Jan-1988 TO 31-0ct-1991 AREA; FLUOROCARBONS - HOMOPOLYMERS 31-0ct-1991 Page I CHEMICAL SAMPLE LOCATION *sCONTROL C-8/FC-143 11%.

AR226-2204 F.

AR226-2274 JOHN BENEDICT - C8 update from air quality 1 _________ __________________________Page ' From: Jesse Hanshaw ' To: DEE ANN STAATS Date: 4/16/02 5:10PM Subject: C8 update from air quality Hi Dee Ann, We are currently in the process of coordinating our modeling efforts with DuPont.

AR226-2500 September 17,2001 GONMIAL CERTIFIED MAILRETURN RECEIPT REQUESTED Ms.

AR226-2644 33 AR226-2644 SPRUANCE TEFLON PROCESS AND WASTE WATER TREATMENT SYSTEM CHARACTERIZATION FOR C8 The procedure, which follows, has been prepared to address the sample collection need for C8 analysis of waste water samples including: 1.

AR226-3070 DuPontHL-1997-00260 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE STATIC, ACUTE 96-HOUR SCREENING TEST OF H.22274 TO FATHEAD MINNOWS, PhneolMto proroehB PURPOSE: This is a rangefinding study designedto provide an estimate of aquatictoxicity using fixed test concentrations and data measurements at predetennined intervals.