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' A226 1369 zon pu Tf = <=4 /A 3L ~~ pt = I = om = [5] <Q [=] Zz E 2 3 < 2 <Q = 2 g Q < = nn mt aoO St Qo = [= 72 8 |B : Oo -~ - 0 z gow =[H oSao 3 - g 2H co @ =Ih =< =o = 2 Oo mm = - = 3 & 3 [==3 oO - xg 5 -- FETE TEE TE TEE : 8 = =2z B 3 = 8 g =|B z: ~ 8g BE |g e =i =S ao -- Oo o HE e e a g oD 2 = Oo 2ow T == -= 3 = 2 &s = OE a S = - @ = Oo Bode 3 =rS<= oF = [== - 3&8 * 2ETE = EE - = ': [=] = <E55 Q 5 g = wn 2 [= --_ = oo T=F 2 $ BERoO - &Eg o Shed =2 oO oS a oo -- =a o Oo = g = Py & QQ @ &<C S = = 7= o = = = og o ee---- ~ 5 2|:= Oo =Ww 0= oO =a i = == - TE 5 :: gE + 3 =!

AR226-2250 Watershed Paniculate Phase Total Wet Dry Deposition Deposition Deposition (a/vr) (g/yr) (a/yr) Vapor Phase Wet Deposition (fl/yl Total (a/yr) Total (Ib/yr) Little Hocking 19449 12483 6966 1642 21091 46.5 Lake Washington 2686 803 1883 364 3050 6.7 Ohio River 103942 70335 33547 11612 115554 254.7

AR226-2652 42 AR226-2652 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia Prepared for: West Virginia Department of Environmental Protection Division of Air Quality 7012 MacCorkle Ave, SE Charleston, WV 25304-2943 Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmmgton,DE 19898 October 17,2003 1.

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3 3M Environmental Laboratory E05-0210 Interim Report#13 Interim Report #13: Analysis of Tennessee River Water Samples Study Title ANALYSIS OF PERFLUOROBUTANESULFONATE (PFBS), PERFLUOROHEXANESULFONATE (PFHS), AND PERFLUOROOCTANESULFONATE (PFOS) IN WATER, SOIL, SEDIMENT, FISH, CLAMS, VEGETATION, SMALL MAMMAL LIVER AND SMALL MAMMAL SERUM USING LC/MS/MS FOR THE 3M DECATUR MONITORING PROGRAM Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR 792 Author Michelle D.

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Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix H // EXYGEN Data] 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats Page 1 of 13 Appendix H: PFOS, PFHS and M570 Residues in Rat Blood Serum (EXYGEN Data) Fraunhofer ITEM Final Report 01 G 00 0 02 [Appendix H // EXYGEN Data] 28 Day Repeated Dermal Contact Study of 3M Test Articles in Sprague-Dawley Rats Page 2 of 13 Sex // Gr.

AR226-2037 PECKSR 08/06/98 12:16 AM To: cc: Subject: SZAKATBK, MILLERSR , HALBERRM ESTILUO , 21PPEL, MILLERW, MAYLESM , air C8 recheck PARSONMA fts shown in the Table below, all air samples collected 7-29-98 appear to contain appreciable levels of C-8 except for the blank.

AR226-2333 Source ID ' 1 2 Description Pre-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) Post-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) DEC Scrubber MP-2 scrubber Location Height, m Contribution, ug/mS Contribution, % D Plant 7.002 50 D Plant 15 3.345 24 E Plant: copolymer plant for PFA and FEP MP-2 building: 18.2 2.953 21 copolymer type micro- 16.1 0.771 S total = 14.071 source parameters 5-1-03.xls Contribution Source ID .

AR226-2709 31 American Chemical Society (ACS) Summary of DuPont Presentations AR226-2709 Annual Meeting, August 2004 Extraction of Perfluorooctanoie Acid from Polytetrafluoroethylene Polymers and Determination by LC/MS/MS Barbara S.

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