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M a m - \H7*f RECEIVED Docket Number: f t R 'Sl'ZC*___________ __ Document Control Number: 3 ^ 3 o o o g > o 3 ^ Document Date: 3 - ty- <9 ^ ____________ DDocument Type: ______ ir ________ c<n O -- `T3 47- --H _ y X o cl pi o cn PsJ The document referenced above is claimed as confidential business information (CBt) under Section 14 of the Toxic Substances Control A ct (TSCA).

AR226-1519 30 September 2003 To: Mary F.

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Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix F] 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats Page 1 of 4 Appendix F: PFOS in Liver Samples Fraunhofer ITEM PFOS in Rat Liver [ppm] Final Report 01 G 00 0 02 [Appendix F] 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats Page 2 of 4 Animal No.

aulison, WI. 53707-7545 tliveries: 3301 Kinsman Blvd., Madison, WI 53704 608.241.4471 608.241.7227 Fax A IU X -0 M 2 0 C O R N IN G Hazleton Sponsor: 3M St.

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Internal Correspondence in Ij* Clair Murphy - 116-1 - 01-064 Tom Pietrs - 22-1 - 01/064 I'-'^ Dean Dworak - 41-1 - 01/064 Cliff Ruschmeyer - 116-1 - 01/064 John Pilney - 47-1 - 01/064 Tom Christ - 110-1 - 01/064 Gordon Weum - 47-1 - 01/064 TO: Glenn Damerell - 70-1-01 - 01/064 From: Larry R.

POLYMER PRODUCTS DEPARTMENT MANUFACTURING DIVISION AR226-2008 TO: J.

AR226-2010 C-8 BLOOD DATA (WASHINGTON WORKS) STATUS OF EMPLOYEES AS OF: 0.5 p p m 5 1,0 p p m 5.0 p p m 10 ppm >10 p p m BASE DATA 1984-1985 (108 PEOPLE) 22% (24) 67% 92% 97% (73) (100) (105) 3%` (3) 1987 (31 p e o p l e ) 1988 (28 PEOPLE) 1987-1988 Co m b i n e d (58 p e o p l e ) 1989 (41 p e o p l e ) 26% (8)' 43 (12) 34% (20) 34% (14) 39% (12) 61% (17) 50% (29) 59% (23) 87% 97% 3% (27) (30) (1) 93% 100% (26) (28) 0% 90% 100% (52) (58) 0% 83% 98% 2% (34) (40) (1) o Th i s d a t a is ONLY USEFUL TO p r o v i d e A GENERAL OVERVIEW (a s n a p s h o t IN TIME). o No t u s e f u l f o r t r e n d s b e c a u s e o f p e o p l e m o v e m e n t , a n d t h e COMPOSITION OF PEOPLE TESTED CHANGES EACH YEAR.

AR226-2027 r ZIPFEL 08/08/97 02:34 PM To: MIGU0JM ATA1 ATCSOC , CHAPMAGA , RITCHERL, PLAYTIS , BRANDERA AT A1 AT EU0IS2 cc: Subject: Questions from 8/7 pace meeting gentlemen, here are some answers to questions asked of me at yesterdays pace team meeting to manage existing processes with C-8.

AR226-2122 file:///C|/WINDOWS/TEMP/C-8-FC-143 SP 9-2-81 in n i 3-8-VZ.fttm 't Test Results Sam ple Date R ange C oncentration R ange Action te v e l Industrial Hygiene 9/2/81 3/8/92 100% Sam ple Dt S am ple# ' D uration Type Employee Name Pere BTO: 08 TEFLON@ tO C : 704 AIS - FINE POWDER C-B WEIGH HOOD 4/29/87 34976 331 S Chemical Cone Unit P ercen t C-8/FC-143 0.148 MPB 26.4% BTO : tO C : 08 TEFLON@ 706 FINE POWDER DRYER #3 3/18/91 43734 390 S 3/18/91 43735 390 S 3/18/91 43736 3/18/91 43737 390 S 390 S 3/22/91 43738 390 S 3/22/91 43739 3/22/91 43740 390 S 390 S 3/22/91 43741 3/22/91 43742 3/22/91 43743 3/22/91 43744 390 S 390 S 390 s 390 s BTO : 08 TEFLON@ C-8/FC-143 >6.0 MPB 1071.4% C-8/FC-143 >6.0 MPB 1071.4% C-8/FC-143 0.152 MPB 27.1% C-8/FC-143 >6.0 MPB 1071.4% C-8/FC-143 >6.0 MPB 1071.4% C-8/FC-143 1,693 MPB 302.3% C-8/FC-143 >6.0 MPB 1071.4% C-8/FC-143 0.097 MPB 17.3% C-8/FC-143 0.187 MPB 33.4% C-8/FC-143 0.79 MPB 141.1% C-8/FC-143 0.134 MPB 23.9% A1P006220 8/9/2001 5:02 PM E ID 139462 TestRssults LOG: 720 INJECTION PUMP AREA 4/29/87 39691 330 S 3/8/92 44892 430 S file:WC1WIND0WS/TEMP/O8-FC-143 SP 9-2-81 thru 3-8-92.htm C-8/FC-143 0.279 MPB 49.8% C-8/FC-143 0.34 MPB 60.7% BTO : LOG ; 08 TEFLON 728 WAX ROOM -B -1 6 2 -1ST FLOOR 1/28/90 42843 480 S C-8/FC-143 >4.0 MPB 714.3% " BTO : 18 TEFLON COPOLYMERS LOG : 297 SPECIAL FEP SAMPLES 9/2/81 61628 S 9/2/81 61629 S 0/2/81 61630 9/3/81 61631 9/3/81 61632 9/3/81 61633 S s s s Thursday, August 09,2001 1:57:10 PM C-8/FC-143 0.11 MPB 19.6% C-8/FC-143 0.04 MPB 7.1% C-6/FC-143 0.22 MPB 39.3% C-8/FC-143 0.92 MPB 164.3% C-8/FC-143 0.37 MPB 66.1% C-8/FC-143 0.33 MPB 58,9% Page 1 of 2 2 of 4 Sam ple Dt Sam ple # Duration Type Employee Name 12/15/81 61634 S 12/15/81 61635 12/15/81 61636 S s * 12/15/81 61637 S Pars chem ical C-B/FC-143 C-8/FO-143 C-8/FC-143 C-8/FC-143 Cone Unit P ercent 0.03 MPB 0.03 MPB 0.04 MPB 0.04 MPB 5.4% 5.4% 7.1% 7.1% >4 ooOKnN> tHo-1 8/9/2001 5:02 PM EID 139463 TestResults / 12/15/81 61638 12/15/81 61639 12/15/81 61640 12/15/81 61641 12/15/81 61642 12/15/81 61643 12/15/81 61644 12/15/81 61645 12/16/81 61646 12/16/81 61647 12/16/81 61648 12/16/81 61649 12/16/81 61650 12/16/81 61651 12/16/81 61652 12/16/81 61653 12/16/81 61654 12/16/81 61655 12/16/81 61656 12/16/61 61657 S s s s s s s s s s s s s 's s s s s s s BTO: 18 TEFLON COPOLYMERS LOC: 299 #1 OVEN EXHAUST 9/28/81 61612 s 3 of4 file:///C|/W INDOW S/TEM P/C-8-FC-143 SP 9-2-81 thru3-8-92.htm C-8/FC-143 0.03 MPB 5,4% C-8/FC-143 0.03 MPB 5.4% C-B/FC-143 0.07 MPB 12.5% C-8/FC-143 0.03 MPB 5.4% C-B/FC-143 0.22 MPB 39.3% C-8/FC-143 0.04 MPB 7.1% C-8/FC-143 0.04 MPB 7.1% C-B/FC-143 0.04 MPB 7.1% C-8/FC-143 0,33 MPB 58.9% C-8/FC-143 0.07 MPB 12.5% C-8/FC-143 C-B/FC-143 0.15 MPB 0.07 MPB 26.8% 12.5% C-B/FC-143 0.04 MPB 7.1% C-8/FC-143 0.04 MPB 7.1% C-8/FC-143 0.48 MPB 85.7% C-B/FC-143 0.04 MPB 7.1% C-8/FC-143 0.07 MPB 12.5% C-6/FC-143 0.15 MPB 26.8% C-8/FC-143 0.63 MPB 112.5% ** C-8/FC-143 0.29 MPB 51.8% AJP0Q6222 C-8/FC-143 4.9 MPB 875.0% ** 8/9/2001 5:02 PM EID 139464 ^TestRcswlts VssMf 9/29/81 61613 S .

AR226-2198 C h r is E Shoop 08/28/2001 04:10 P M ................_ .. . ...... _ _____ To: cc: Subject Stephen J Gissy/AE/DuPont@ DuPont ' Karl G Kronberg/AE/DuPont@DuPont, Robert I W evodau/SE/DuPont@ DuPont, Debbie J Mulrooney/AE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@ DuPont Em issions Modeling for Permit Applications Steve, Karl, Bob, and I feel that we will need to have modeling data for the applications we plan to submit or have already submitted for FP, F EP , and PFA.

y* Polymer Products Department Research and Development Division Experimental Station ' AR226-2387 cet S C Croft - 256 M- A* Kaiser - 256 T.