~ ~~ ~ ~~~ BACK TO MAIN 3M Medical Department Study: T-6314.1 Analytical Report: FACT TOX-028 LRN-U2636 Study Title Determinationof the Presence and Concentration of PFOS, PFOSA, M556, andM570 in the 13-Week Dietary Study of Crl:CD@(!

STABILITY IN WATER (PHOTOLYSIS) TEST SUBSTANCE Identity: Perfluorooctanesulfonate-potassium salt.

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SOIL ADSORPTION - REVISED TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1Octanesulfonicacid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassiumsalt, CAS # 2795-39-3) Remarks: The test substance is a white powder.

Andrew Seacat 04/28/04 01:44 PM To: MelindaM.

AR26-15/ INDEX TO TSCA SECTION 8(e) DOCKET SUBMISSION BY 3M COMPANY (AUGUST 17, 2004) L nor stupies A.

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AREA: AR226-2082 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT 8-AU9-19&7 Page I FROM l-Jan-1995 TO 31-JU.1-1997 FLUOROCARBONS - COPOLYMERS CHEMICAL SAMPLE LOCATION *tCONTROL C-8/FC-143 210 #1 COAGULATOR-2ND FLOOR DATE; 7Mar-l995 NOTEBOOK: TCP01,P807 DURATIONS 390 CONCi 2.01 MPB SAMPLE TYPES A PERCENTAGE!

TesfResute AR226-2128 file:///C|/WINDOWS/TBMP/RD C-8 1.3-79 thru 4-30-811 pagelttm lof2 Test Results Sample Date Range Concwtradon Ranga Action L<?

AR226-2432 ywpuwiylWwwMW'-.S'WA- w. ~- H"^ Z1PFEL H" *" 08/06/93 08:19 AM s > To: RAMSEY.

AR226-2547 ' "

AR226-2654 44 AR226-2654 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in Permit Application 2365D for the PFA(Cl-P) operation complies with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

AR226-2748 Material Submitted by: Copies to: I.

FOR DU FONT USE ONLY AR226-2792 Subchrontc Inhalation Toxicjty of Haskel!

TRADE SECRET Study Title H-23269: SKIN IRRITATION TEST IN RABBITS LABORATORY PROJECT ID: DuPONT-1139 AR226-3099 AUTHOR: Carol Finlay, B.A.