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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.

AR226-2655 -& 01 AR226-2655 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 the form R13 permits (815E, 1353B, 1953B, and 2365C) comply with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

^ 1 RECYCLED %;^-.- AR226-2696 00 EMSER 70-03/4842 AR226-2696 STUDY PROTOCOL ACCELERATED BIODEGRADATtON OF 8-2 TELOMER B ALCOHOL SPONSOR E.

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AR226-3008 Study Sponsor: Issue Date: Document Reference No.: ELF ATOCHEM 9-Jan-95 95/SAE6/0304/HT Acute Toxicity to Daphnia Author(s): H.

however no gaseous waste streams (from Low Boiler Stack or Waste Acid Stack) were incinerated.

AdsorptionofFC 95 and FC 143 on Soil(Note:the3M Env.

PFOS: A WHour ToxicitTyest withthe FreshwaterAlga (Selenastrumcapticomutum) TOXICITY TO AQUATIC PLANTS (E.G.

The Effectsof Co 78.02 on Hatchab Fry of Fathead Mi Summary of histop Minnow (Pimepha Days CHRONIC TOXICITY TO EARLY LIFE STAGE OF FISH TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredtoas 14C78.02,PFOS orFC-95. (1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafploutoarsos-i,um salt,CAS # 2795-39-3) Remarks field: The testsubstance isa white powder.

Evaluationof RespirationIn and BOD/COI sheets (Lisalt ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:PerfluorooctanesulfonatLei,thiumsalt;may alsobe referredto as PFOS Lisalt,FC-94, or FC-94-X. (1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecaflliutohriou-ms,alt, CAS # 29457-72-5) Remarks: The testsample isa mixtureofthe testsubstance inwater (approximatel2y4.5% testsubstance and 75.5% water).No calculations were made toadjustfortheactualconcentrationofthe testsubstance in the testsample.

Parker Hannifin Corporation Precision Cooling Business Unit Dale R.

Material PET+acryl CLE melting point Thickness urn 255 50 (40+10) silicon+PET+nylon PS PMP PS ETFE ae eee 243 247 247 245 55 50 62 53 50 Tensile MD 450 1380 (2310) 520 kgf/cm' strength normal TD 462 1375(2310) 570 23T MD 53 54(116) 42 EF EF elongation TD 48 67(116) 43 Tensile ' MD 740 684 120 EE aeee e strength high kgf/cm TD 880 728 130 165C MD 118 83 91 1 eee eee] elongation TD 98 100 110 700 525 380 500 565 373 120 47 350 130 43 364 170 125 125 131 128 122 148 90 557 118 115 543

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