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cL SM Specialy Materiel Spcaone 551641000 SS i AR 286 _ 1029 May 23, 2001 CDrh.emCihcaarlleCsonAtureorl, DDiivriescitoonr/U.S.

esp AR22--6 HT oe DuPont [RgeV l=oely]I<Te Product Stewardship Update Presented to The United States Environmental Protection Agency : 3 November 25, 2002 & | Q T.

ARRAG- 1262 Executive Summary - Biodegradation Screening Studies of 8-2 Telomer B Alcohol - "ETMheStEwRo s1t5u-d0i3e/s4d8e4s2c)rirbeepdreisnentthethaettsaccrheeednirenpgoprhtsas(eEfMorStEhRe b1i3o-d0e3g/r4ad8a4b2ilaintdy assessment of 8-2 TelomeBr Alcohol (CAS# 678-39-7).

Is pp AR 886 -- 1&TS March 21, 2003 To: Mary F.

{Cp : DEPARTMENTOFHEALTM ANDHUMAN SERVICES = AR 486 13 ee " -- SO andHoan 4C878oColcuOmbHh4P6a2er2k8w1as0y s July 31,2001 HETA20010235 PACE Intemational Union 3340 PerimHielltDreivre Nashville, Tennessee 37211 Hee als th(NIOSH)SfoornaHeea1ltYhHuaezrarsd tEvalutahteiNo eon!

Telomer Research Program AR226-1426 Report Title: 1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoroRespiration Inhibition Test with Activated Sludge Author(s): Martina Noack RECEIVED OPPT NCIC 2003 July 18 12:00PM Contractor: Dr.

AR226-1737 Toxicological Summary PFOS Dietary Chronic Pilot Reproductive Study: Mallard Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoropotassium salt, CAS# 2795-39-3 Test Remarks: The test substance is a white powder (3M Lot #217).

BACK TO MAIN Study Title Microbial Metabolism (Biodegradation) of Perfluorooctane Sulfonate (PFOS) I.

BACK TO MAIN ACCUMULATION OF PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN MINK AND RIVER OTTERS John P.

MATERIALS A SCIENTIFIC LOOK AT LAB QUALITY DEIONIZED WATER PIPING MATERIALS S ix conditions are known to make up the requirements of components found in water piping systems used in the various high tech industries (1, 2).

Sponsor: 3M St.

ADDITIONAL COMMENTS OF 3M COMPANY TO THE EPA SCIENCE ADVISORY BOARD PFOA REVIEW PANEL APRIL 18, 2005 CONTACT: JOHN L.

TestResults AR226-2117 file:///C|WINDOWS/TEMP/C-8"FC143 ^er 1-.1-70 thiu 8-9-Ol.hton ^ ila 1 of 99 Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene 1/1/70 8/9/01 100% Sample Dt Sample # Duration Type Employee Name Pers BTO: LOC : 08 TEFLON 100 P/S - MONOMER OPERATOR CONTROL ROOM (08PA/PB/PC) 5/10/99 33692 360 P BARROW, THOMAS L 08PH Chemical Cone Unit Percent C-8/FC-143 <0.01 MPB 1.8% BTO: 08 TEFLON LOC: 101 P/S-TFE FIELD OPERATOR (08PA) 1/30/98 27147 360 P LEWIS.