CONFIDENTIAL 3,585 38 -- Seiet E. 1. pu Pont of Nemours & Company WILMINGTON, DELAWARE 19898 cc: 8B. 4W.

rmorice umeeso DFaetem: Dept: iS0R2kA-NDrDeEcaR-nA1d3e32n67buA1rL1s:A1r60zm001S2 FURR (Phuoroprobucte - feflon) Tike: ionaesiee 70: See Beton Subject: 12: Docesber C-8 FACE Team Nectizgs ores.

BACK TO MAIN WATER SOLUBILITY IN PURE WATER- SHAKE FLASK METHOD TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 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.

BACK TO MAIN 3M Environmental Laboratory ReporNt o.

BACK TO MAIN Study Tit10 Acute Toxicity Of N2803-2 to t b Fathead ILIMw, RLnephleo p z 0 ~ 1 a .

BACK TO MAIN Environmental Monitoring - Multi-City Study Water, Sludge, Sediment, POTW Effluent and Landfill Leachate Samples Executive Summary 3M Environmental Laboratory June 25, 2001 Introduction The Multi-City study was conducted to obtain data about the presence of fluorochemicals in the environment, foods, and drinking water, in order to understand the potential sources of human and environmental exposures.

BACK TO MAIN 3M E ~ O ~ ~ ~ ~ A L L A B O R A T O R Y Author: Kristrm J.

BACK TO MAIN CEntre Analytical Laboratories, Inc. 3048 Research Drive State College, PA 16801 www.centrelab.com (814) 231-8032 Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of POTW Effluent Port St.

Final Report Mortality Study of Workers Employed at the 3M Cottage Grove Facility BACK TO MAIN Submitted by: Bruce H.

SELECTED FLUOROCHEMICALS IN THE DECATUR, ALABAMA AREA Prepared for: 3M St.

Po. - Ketio.Rot, AD.

Argus Research Laboratories.

ALBH185B ReroRTIG FACETON 130 LaboratoryReport Analytical Report of Data for PFOS Dietary LC50 Study with Mallards (Sera and Liver) : Laboratory Report No.

AR226-1999 TABLE 1.

AR226-2099 Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene 1/1/89 1201/89 100% Sample Dt Sample* Duration Type Employee Name BTO: 08 LOC: 701 TEFLON FINE POWDER DRYER-EAST SIDE 2 4/7/89 87% 330 A 8/14/89 8737 360 A 8/1S/89 8736 420 A 11/17/89 8743 330 A Pcrs Chemical C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 BTO: 08 LOC: 702 TEFLON FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF031 4/7/89 10S 330 A C-S/FC-143 8/1489 ISO 360 A C-8/FC-143 11/17/89 255 340 A C-8/FC-143 BTO: 08 LOC: 703 TEFLON FINE POWDER PACKOUT ROOM 1/8/89 28 420 A 4/12/89 109 285 A 8/18/88 189 322 A C-8/FC-143 C.8/FC-143 C-8/FC-143 BTO; 08 TEFLON LOG: 704 A/S- PINE POWDER C-8 WEIGH HOOD 1/B89 27 420 A 4/7/B9 104 290 A 8/18/89 191 321 A 12089 273 377 A C-8/FC-143 C^/FC-143 C-8/PC.143 C-8/FC-143 BTO: 08 LOC: 705 TEFLON DISPERSION PACK OUT AREA 3/2488 14882 <135 P 3/27/89 14881 435 P 600/89 150 360 A none none C.8/FC-143 C-8/FC-143 C-8/FC-143 BTO: 08 TEFLON LOG: 706 FINE POWDER DRYER #3 1/31/89 45 300 A Monday, January 15,2001 4:28:25 PM C-8/PC-143 Cone Unit Percent 0.21 MPB 058 MPB 1.84 MPB 3.63 MPB 37.5% 175.0%" 328.6%" 6482%' 0.03 MPB <.03 MPB 0.52 MPB 5.4% 5.4% 92.9% -sO.03 MPB 0.03 MPB 0,42 MPB 6.4% 6.4% 75.0% 0.52 MPB 0,03 MPB O.S3 MPB 0.55 MPB 925% 5.4% 94.6% 982% <.03 MPB <S3 MPB 0.22 MPB 5.4% 5.4% . 39.3% >1.0 MPB 178.6%" Page 1 of 7 EID113020 Sample Dt Sanpleff 1/81/89 46 12/2/88 270 Duration Type Employee Name 300 A 397 A BTO-. 08 LOG; 708 TEFLON PIS- FINE POWDER PACKOUT (08PJ) 3/14/89 14875 420 P 4/7/88 14S43 430 P 400/88 14S63 435 P 120/89 15475 374 P BTO; 08 LOG: 710 TEFLON FP&O AUTOCLAVE CONTROL ROOM 1;8/89 8721 420 A 20/89 8731 360 A 10CU89 8740 490 A 10(3re9 8741 480 A BTO: 08 LOG: 712 TEFLON NORTH END OF DRYER S3 4/7/89 8725 310 A 100/89 8742 460 A 12(2/89 8744 388 A BTO: 08 LOC: 713 TEFLON FINE POWDER OFFICE AREA-GENERAL 3/17/89 29775 420 P 322S9 29776 420 P 3/28/89 29777 420 P BTO; 08 LOG: 716 TEFLON SOUTH END DRYER #2 1/8189 8720 420 A 4/7/89 8726 291 A BTO: 08 LOC: 717 TEFLON ROOF AREA-GENERAL 4/16B9 8729 276 A 6/1709 8734 360 A 12/2/89 874S 345 A Monday.