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3 FLUOROCHEMICAL SUBMISSION 2001 Click a Month back to year menu TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE November December

AR226-2102 Test Results Sample Date Range Concentration Range Action Level Industrial H ygiene 1/1/93 12/31/93 100% Sample Dt Sample# Duration Type Employee Name BTO : 08 TEFLON LOC: 045 BLDG. 162 ROOF-GENERAL 11/4/93 2310 450 A Pers Chemical C-8/FC-143 Cone Unit Percent <,Q8 MPB 5.4% BTO: 08 TEFLON LOC: 113 PIS - SHIFT MECHANIC (58MD) 11/16/93 19224 360 P 58MD C-8/FC-143 <.03 MPB 5.4% BTO: 03 LOC: 701 TEFLON FINE POWDER DRYER-EAST SIDE #2 1/21/93 8818 445 A 8/14/93 8823 360 A 6/29/93 8825 440 A 9/8/93 8832 360 A C-8/FC-143 C-8/FC-143 C-8/FC-143 C45/FC-143 2,04 MPB 031 MPB 0.23 MPB 0.39 MPB 525.0% ** 55.4% 41.1% 69.6% BTO: 08 LOC: 702 TEFLON FINE POWDER DRYER CONTROL ROOM (ALSO SEETTF031 1/21/93 1801 445 A C-8/FC-143 6/17/93 2135 450 A C-8/FC-143 6/29/93 2140 440 A C-8/FC-143 0.07 MPB 0 MPB 0.1 MPB 125% 0.0% 17.9% BTO: 08 LOC: 703 TEFLON FINE POWDER PACKOUT ROOM 0/26/93 2172 375 A 8/31/99 2173 360 A 9/13/93 2216 375 A 10/20/93 2271 375 A 11/8/93 2306 360 A C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 <03 MPB <.03 MPB <.03 MPB <.03 MPB <.03 MPB 5.4% 5.4% 5.4% 5.4% 5.4% BTO: 08 TEFLON@ LOC: 706 FINE POWDER DRYER #3 1/21/93 1800 440 A 6/14/93 2138 360 A 6/29/93 2139 440 A ..

AR226-2579 ['Aridfew SrTptten .. ... ~~...... ......... 02/27/2002 10:39 A M ]| To: M.

Larry R.

AR226-2816 Trade Secret Study Title j^HHj^TVvo Year Oral Toxicity-Oncogenicity Study in Rats Peer Review of Ovaries A u th o rs Peter C.

Katherine E.

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SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 249891 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur Attention: Jai Kesari Date: 01/03/2007 Signature Name: Richard C.

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3M Medical Department Corporate Toxicology 3M Center, Building 220-2E-02 St.

From: Sent: To: Cc: Subject: tfasking@mmm.com Monday, October 27, 2003 8:52 PM Rys.

TGoE: SMtaarpyhDeonmHinKioarkzioDmCo/wsUkSE<PSAUeSp@hEoP+nA,Koaprpte.mncoiwcS@eHpBaUmaSiAl.deuppaegnotvc.om, smythe@randorg Subject TAPStudyReports:SubmistosAiR-o22n6 8 Hazen 10, 2003 gZ 32 t3F:5 anzys7aG.ahtu,blornBoaininelinatCkaodle.

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ARRRG -- 1367 'UDR-TR-03-00044 Final Report - LaboratoryScale Thermal Degradation of Perfluoro-Octanyl Sulfonate and Related Substances June 2003 002039 Final Report Laboratory-Scale Thermal Degradation of Perfluoro-Octanyl Sulfonate and Related Precursors "Thisreportcoversthe efforts perf byo thr eUnm iveersidtyofDaytonResearch Institute (UDR), EnviSrcieoncenanmdEneginneeritngGaroulp, Dayton,OH 454690132,duringtheperiodfromMarch2001toDecember2002.Thework wasconducted under aLetterofAgreementdatedMarch20,2001.