: SSeher LsararMyVici.keePbDreitra,MmD, MPH MinDepartment AM vem 73S M05Co0meP M5r,2NB2S.5u3, 33k2C220t0 0o28g02 57T35S8 ORMe DAoTcTuNm:enSt Preocecs(scit)ngCCoieonrtdoeinra(nt7o4r07) OUfSfiEcnevoifroPonlmleunttiaonl,PPrortecetivoneAnagnetdnTcioyxoicns 401 MStreeStW, `Washington,D.C. 20460 FRel:uoTrSocChAem8i(cea)lsSu-pDpolcekmeenttNaulmNboetircse8fEoHrQS-u1l1fo8n0a-t3e7-3b;asSeEdaHnQ-d1C1a8r0b-o3x7yl4i;c8-bEaHsQc-d03810394; SEHQ-0598-373 Dear Docket Coordinator: r`eWliatthetdhtiosplertetveri,o3uMsTisSpCrAoSveicdtiinogfni8n(al)renpootirftiscaatnidoonst.hAerlsluopfptlheemeentnalcinlfiootrmesamtseiaordne: ahlorweeavdeyri,ntEhaPtAp'lsacpionsgstehsessioeintaenmdsaivnaitlheabl(eei)ndToSckCeAtmDaoycakleltoAwRf-o2r2m6o.rWeceobnevleineivee,nt accessto informationdirectlyrelatedtoprevious(c)notificationsby 3M.

,, Benchmark Doses for Liver Tumors in Sprague Dawley Rats fed ' Perfluorooctane Sulfonic Acid Potassium Salt (PFOS) Introduction David W.

PFOS: A TOXICITY TEST TO DETERMINE THE EFFECTS OF THE TEST SUBSTANCE ON SEEDLING EMERGENCE OF SEVEN SPECIES OF PLANTS FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

Toxicological Summary PFOS Dietary Chronic Definitive Reproductive Study: Northern Bobwhite 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-heptadecafluoro, potassium salt.

A226 1829 LaboratoryReport--Revision 1 Analytical Report of Data for PFOS Dietary LC50 Study with Mallards (Sera and Liver) 4 Laboratory Report No.

EHD 0904 - 15666 September 17,2004 goeraen DL GSh COMPANYSANITIZED-- DOES NBOUTSICNOENSTSAIINNFCOORNMFAITDIEONNTIAL By Certified Mail LRAT Oa ADtotceunmtieonntTPSrCocAes8s(ien)gCCoeonrtdeirna[t7o4r07M) OEfnfviicreonomfePnotlallutPiroontePcrteivoenntAigoennacnyd Toxics `1W2a0s0hiPnegntnosny,lvDaCni2a0A4v6e0nue, NW.

ATTi ACHMENT TO LETTBERoOFa29o08 Alee2.6-1~9/. 3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE 1.

AR226-2077 W:a<:^!

TestResults AR226-2131 file:///Cl/WINDOWS/TBMP/Mro6mat8C...7-21-81 thru 8-27.-01 80pages.htm ^ Test Results Sampio Date Range Concanttatlon Range Action Level Industrial Hygiene 7/21/81 8/37/01 100% Sample Dt sample* Duration Type Employee Name Pers BTO: LOCt 08 TEFLON 002 A/S- MONOMERS SOUTH TANK FARM - GENERAL 9/22/82 38001 331 Z B/22/82 39002 331 Z 9/22/62 39003 327 2 9/22/82 39004 335 Z 9/22/82 39005 328 2 9/22/82 39006 336 Z Chemical Cone Unit Percent C-8/FC-143 C-8/FC-143 C-a/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 0.17 MPB 0.09 MPB <0.03 MPB 0.09 MPB <0.03 MPB 0.04 MPB 30.4% 16.1% 5.4% 16.1% 5.4% 7.1% BTO; 08 TEFLON LOC: 042 AC1DNEUT PIT-GENERAL 5/4/88 40895 1440 Z C-8/FC-143 <0.03 MPB 5.4% BTO: 08 TEFLON LOC; 045 B-162 ROOF 2nd Level- General &H&V Units 8/20/91 814 480 A 11/4/93 2310 450 A 7/9/97 7137 362 A 7/9/97 7138 362 A 7/21/97 7139 370 A C-B/FC-143 0.341 MPB 60,9% C-a/FC-143 <03 MPB 5.4% C-8/FC-143 0.1 MPB 0 17.9% ^ C-8/FC-143 0.13 MPB g 23.2% C-8/FC-143 0.15 MPB 28.8% 1 of 157 8/28/2001 4:46 PM EID140226 TesfResults 7/21/97 7219 371 A 7/21/97 7225 368 A 7/22/97 7140 !

AR226-2260 Chris E Shoop 02/20/2002 05:20 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont.

AR226-2310 y Charles J Zarzeckl 03/13/2003 11:02 AM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Our stance on actual sampling Q Cathie, Actual sampling wilt show lower numbers.

AR226-2476 &-14.00 Jim: Per your request for assistance in wording a letter to your customers, here is a draft that may be helpful. 1(1 can be of further assistance, you can reach me at 863-2513.

FEB. 26. 2002 9;34AM Michael Bate.

AR226-2681 Environmental Laboratory AR226-2681 Results from Analyses of Soil and Groundwater Samples From the E.

RECYCLED s^ | AR226-2692 \ ^ AR226-2692 DuPont EMSE Report No. 13-03 Study Title READY BlODEGRADATION OF 8-2 TELOMER B ALCOHOL (MODIFIED OECD 301 D CLOSED BOTTLE TEST) Test Guideline Organization for Economic and Cooperative Development (OECD) Guideline for Testing of Chemicals; Section 3: Ready Biodegradability: 301 D Closed Bottle Test (1992).