AR226-2156 Catherine A Barton ^ 07/08/2001 04:23 PM To: cc: Subject: Robert F Pinchot/DEV/AE/DuPont@DuPont Debbie J Mulrooney/AE/DuPont@DuPont Rob, I hope you had a nice vacation last week.

AR226-2187 EXPOSURE EVALUATION FOR NEW PROCESS AT FAYETTEVILLE SITE Prepared by DuPont Engineering Technology Debbie Mulrooney Cathie Barton August 20,2001 Revised February 20, 2002 EDD0068699 TABLE OF CONTENTS i Executive Summary 1.

HIGHYAG Lasertechnologie GmbH Hermann-von-Helmholtz-Str. 2 14532 Kleinmachnow Germany Submittend: COHERENT HIGHYAG Lasertechnologie GmbH Hermann-von-Helmholtz-Str. 2 14532 Kleinmachnow Sector concerned in this document: Industrial Specialties: High power Laser appliances (Laserwelding) Executive Summary Safety according EU-Maschine Directive*) in Laser-Applications is in danger.

AR226-2326 ^ JohnWMilroyJH 04/04/2003 11:09 AM To: cc: Subject Catherine A Barton/AE/DuPont@DuPont Stephen R Hastings/DDE/DuPont@DuPont, Ann K IVIasse/HO/DuPont@DuPont, Charles J Zarzecki/AE/DuPont@DuPont Re: Data for air dispersion modeling Q Stack height is 25 feet.

AR226-2557 - , , -<9 Andrew S Hartten 05/23/2001 05:21 PM To: Robert L Ritchey/CUOuPont@OuPontA, Hson A Crane/AE/DuPont@DuPont, George Woytowich/CL/DuPont@OuPont cc: Subject: Information on Washington Works Facility I received this today.

AR226-2558 -9 - Andrew S Hartten 05/31/2001 03:29 PM To: cc: Subject; wentworth.wltliaffi@epamall.epa.gov Robert L Ritchey/CL/DuPont@DuPont, Isidores J Zanites/ABDuPont@DuPont, Andrea V Malinowski/AE/DuPont@OuPont, Alison A Crane/A/DuPont@DuPont information on Washington Works Facility Bill, The following provides answers to your questions in the May 23 memo you sent me, which Is attached, Per our conversation today, I'm faxing to you hard copy analytical results and the pertinent portion of the site NPDES permit modification (to add to the original permit which you have).

AR226-2579 )Andrew's Hartten :-~----^JMI 0212712.QQ2'W:W W ^ To: co: Subject: M.

E.I. duPont deNemours and Company Haskell Laboratory for Health and Environmental Sciences 2 December 2004 iToxicokinetics in the Rat: Pilot results Study Director: W.J.

3M Environmental L boratory FinalReport- AnalyticalStudy Single-doseDermal Absorption/ToxicitSytudy ofT-6049 inRabbits In-Vivo Study ReferenceNumber: HWI#6329-130 Study Number: AMDT-020895.1 Test Substance: FC-95 (T-6049) Name and Address of Sponsor: 3M SCD Division 367 Grove Street St.Paul,MN 55106 Name and Address of Testing Facility: 3M Environmental Technology & Services 935 Bush Avenue St.Paul,MN 55106 Method Numbers AMDT-M-1-0, AMDT-M-2-0, ANMT-M-4-0, AMDT-M-5-0, and Revisions: Thermal Extractionof Fluorideby Means of a Modi:fied Dohrmann DX2000 Organic Halide Analyzer-Liver FluorideMeasurement by Means of an Orion EA940 Expandable Ion Analyzer Extractionof Fluorochemicalsfrom Rabbit Liver Analysisof RabbitLiver ExtractforFluorochemicalsUsing ElectrosprayMass Spectrometry InitiationDate: See attachedprotocol Author: James D.

PffYSICAL - CIffEIN/fICALPROPERTT-ES A Robust Summary, FinalReport, and Protocol on the physical-cbemicaplropertiesof perfluorooctanesulfonataere includedfor each of the followingparameters: PAR-KWTER DATE OF REPORT RESULTS ;MeltingPoint/MeltingPointRange Vapor Pressure n-Octanol/Water PartitionCoefficient Air-Water PartitionCoefficient Solubilitiyn ppre water SolubilityMeasurements on FC-95 2/24/99 5/5/99 2/11/00 3119/00 5/3/99 2/6/81 4000C 3.31x 104p (4@200C Not calculablet;hr" 0(<2xlO-) 570mg/l 1080mg/l phases The data presentedinthe study "SolubilitMyeasurements on FC-95," was determined by indirectmeasurement, not by actualanalysis.Therefore,the data isnot reliable.

ATTACHMENT TO LETTER TO C.AUER DATED AUGUST 31,2000 SUPPLEMENTAL SUBMISSION FOSA or PFOSA Perfluorooctanesulfonamide MedicalSurveillanacnedEpidemiologic See item I under PFOS: InterimReport #1,Determinationof Serum Half-Livesof SeveralFluorochemicals,June 8,2000.

._ _-____ 8) OECD 407, Repeat dose oral toxicity (with FOB & histopathology), 132-007 SANITIZED JAN 0 9 2004 A 28-Dav Oral Toxicitv Studv in SPraque-Dawlev Rats Studv Number: 132-007 SAN ITlZED A 28-DAY ORAL (GAVAGE) TOXICITY STUDY OF T-7485 IN SPRAGUE-DAWLEY RATS STUDY NUMBER: 132-007 SPONSOR 3M Corporate Toxicology 3M Center, Building 220-2E-02 P.O.

738 aM CCoorrppoorraatt IHenauthrPlhysHiycgsiene & CroorproaptsoerOcceupOcrupaationtaiontMedicneMedicne -- May 15,2000 32M0BCooxn3e22B0ung2025.02FY, (] 7 6615510i0y - I-A0R1s2060--00133778s F=al C0 v00(37 PRPeTcaeyreinc BStecoomo0R mis Ai 1 Document Processing Center (Mail Code 7407) Information Management Division UOfnfiitceedofStPaotlsluEtnivoinrPornemveennttailonPraontdecTtoixoincAsgency 4M0Str1 eet, SW : 72 35 9 Room 699 East Tower %( i A`Wtams:hiFnYgIton, D.

FILE NAME: Asbestos in Hair Dryers (HD) DATE: 2004 Dec 4 DOC#: HD009 DOCUMENT DESCRIPTION: Washington Post Newspaper Article - 'An Enduring Portrait of Marilyn,1with Pic of Her & Hair Dryer I The Washington Post I I THE RELIABLE SOURCE By RichardLeiby An Enduring Portrait of Marilyn V ac-evrata-vina-vaogoem, M: FaorirlythnoMseoonrfoae Sreomwahinesnawgeowddeeressoofffegrleadmour. snyemvebro-pl--ubpliosshiendgpinixlionfgtehreies,enxo lesTs--hewsetrwikeinreghpeolprtlreasiststowreerseissht ot in JMoeanChoautdtaenrti,nw1h9o5m5 ebtyMphoontroogerwaphhileer s(ahemwovasiefiwlme ianrge "aTlshoehSeelpvleenssYteoarreItscisht").

FILE NAME: Talc (TALC) DATE: 2000 Dec 1 DOC#: TALC175 DOCUMENT DESCRIPTION: Letter to Dr.