T-7132.1 FR DTI 5 A e z z b -173/ Title: Comparative Molecular Biology o f Perfluorooctanesulfonamide (FOSA, T- 7132) in Rats following four consecutive days o f dosing.

AR226-1734 Toxicological Summary PFOS Dietary Acute Mallard Study 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, CAS# 2795-39-3 Remarks: The test substance is a white powder (3M lot #217).

>4e2-|155 ACUTE TOXICITY TO BLUEGILL SUNFISH T E S T SU B S TA N C E_________ Identity: Perfluorooctanesulfonate; may also be referred to as PFO S or FC-95. (1-Octanesulfonic add, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The test substance is a white powder (3M Lot 583) of uncharacterized purity.

DuPont Legal Andrea V.

3 FLUOROCHEMICAL SUBMISSION October 1987-October 2005 Click Study Section back to main TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE Multiple Chemical POSF PFOA Science Advisory Board Comments

AttX-03%3 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: athPoceeinadrfse,luic1Poo,Fr1soD,ad2Sfe,l2u,c,oaF3rn,Co3e--,s,14u2a,4l0mf,o,5mno,5aor,tn36eiM,,u6am,7Sm,as7mma,8oitp,,n8leiC,u9AmJ,29S9,s1#0a05lt6,;-171m09.

Corporate Occupational Medicine 3M Center, Building 220-3W-05 St.

Xff tifiAa- 63z May 2000 Organization for Economic Cooperation and Development Existing Chemicals Task Force Meeting PFOS Assessment Approach in OECD The recently circulated information on PFOS and its associated derivatives raises a number of important questions regarding this chemical technology and the appropriate steps to take in light o f the decision by the major manufacturer to phase out production for most uses during the current year.

T-7211.1 FR ST-37 Title Adipate (T-7211) Metabolite Identification in Rats Final Report Date: 2-24-04 3M Medical Department Study Number: T-7211.1 3M Strategic Toxicology Laboratory Protocol Study No.

AR226-2044 Jack L Offenberger 07/07/99 01:B8 PM To: Lester H Marks/AE/DuPorvt@DuPont, Stephen J Devries/CL/DuPont@DuPont, James W Hunt/CL/DuPont@DuPont, Partick J Cavanagh/CL/DuPont@DuPont, Kevin C Rentzsch/AE/DuPont@DuPont cc: Lauren D Anderson/AE/DuPonti?

AR226-2116 Tesi Results Sample Date Range Concentratloa Range Action Level Industrial Hygiene 1/1ADO 12/3100 100% Sample Dt Sample# Duration Type Employee Name BTO: 08 TEFLON LOC: 045 BLOG. 162 ROOF-GENERAL 2/3/00 9393 360 A 5/12/00 9408 360 A 8/7/00 9611 360 A 11/13/00 9742 360 A ' Petrs Chemical C-fl/FC-143 C-8/FC-143 C-8/FC-143 C-6/FC-143 BTO : 08 TEFLON LOC; 048 B-162 OUTSIDE SMOKING AREA - 2ND LEVEL 1/6/00 3356 360 A 2/3/00 9394 360 A 3/6/00 9443 360 A- 5/12/00 9499 360 A 8/7/00 0812 360 A 11/9J0O 0724 360 A C-8/F-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-a/FC-143 BTO: 08 LOC: 101 TEFLON P/S - TFE FIELD OPERATOR (08PA) 3 34707 360 P COX, JOHN A 7/10/00 35087 360 P SKILES, JAMES S 10/1000 35395 360 P COX, JOHN A 08PA C-8/FC-143 08PA C-8/FC-143 08PA C-fi/FC-143 BTO: 06 LO C: 1Q2 TEFLON P/S - HFP FIELD OPERATOR (03PB) 2/2/00 34583 5/12/00 34880 360 P WALKER, PATRICK M 360 P MOON, GARY E 8/7/00 35134 11/9/00 3S488 360 P YOUNG.

TsstRefeults AR226-2127 file:///C|/WINDOWS/TEMP/Polymers C-8 7-24-78 thru 1-3-98 23 pages.htm Test Results Sam ple Date Range C oncentration Range A ction Level Industrial Hygiene 7/24/78 1/3/98 100% Sample D t Sam ple # D uration Type Employee Name Pars B TO : 18 TEFLON COPOLYMERS LOC: 001 FEP OVENS NORTH SIDE 12/19/79 47723 Z 1/15/80 47724 z 1/22/80 47725 z 8/8/80 47726 z C hem ical Cone U nit Percent C-8 0.0005 PPM 0.0% C-8 0.0006 PPM 0.0% C-8 0.0009 PPM 0.0% C-8 0.0095 PPM 0.0% BTO : 18 TEFLON COPOLYMERS LOC : 002 FEP OVENS SOUTH SIDE 12/19/79 47601 X 1/25/80 47602 z .

AR226-2152 4oO3 t *T--I Ph P S) t o> Ph RP026176 EXD476984 # Steve Swearingen Cathie Barton, DuET Debbie Mulrooney, DuET Tim Bingman, CRG w ow <Ti v] -0 EXD476985 Chronic Off-Site g ii I Purpose: Identify the design parameters required so that the average daily concentration off-site is below the CEG and on-site is less than the AEL - Emission rate - Stack Height - Stack Height/building height ratio - Dilution Air flow Model used: Industrial Source Complex (ISC v.3); a model used by EPA for air toxics permitting Results shown are using RDU meteorology data; FAY data available this week; model results will be updated.

AR226-2171 ifa?

AR226-2426 jV '' AGREEMENTS REACHED 11/6 MEETING SUBMIT WAIVER - SECTION 4,5,4 - LINERS (SWMR) PARAGRAPH 5.5.3a.A.