.

From Bamars Rudy on 01202390229A2M T2o aWSAWeCp@eanweanScToRrOcUoRmGOmaUmPsoGemni2onBseenrmpansAiEm DANO Sioect 19 ug. n Ennion Hazara Narate mem F5EWATS8G 0 B0TA1G ReyAEICUPEN 51 OVZ02002 09 23 AM meme Fram Samara J Rely on 01202030921 AM 2To GS GuaeioeLAA<vLueDnrmUAm ePEaoDyNuAa@EPODoUUnFPn@aoONNLG.OoAUnnPdtarensMtW4RAMaroimownbakeA rrac yAcsaS dSAOEUaDPnuGPU OOOULNPP@OJUoPhanPnArta Subject B13UUuSgThBinIDEUnPrGonDUHPa.zarHdeaNtahmeraivJeor enSTEOLPOP Na|frohraaaddtbitahvcoekuwwgeheto(tthieorrewoewmoduEi8NdCVonIuoptRlObeeNwsemiaignKcisaf4isct9an0wteacehdkanhwgaeessi{baaeltt1{wheaenw1t4eungegodtrafliatnteEdTrNihVnukIrisRndgOawNya.tPe1Fr/fO17rA.oaHmnadtzhtaehraaRItDne ra(naMacOliByos)nisfaorlwtoehuxeplocrsaeunmrcaeeeirnetnshde-pbsooitntutorm(sm2nke-0.s%ppdeHrcotiwineckviodenorgs.wneat1fesro)mn.3at0lh0ivsreiernssuhiloetnsdhiranasf&cd1rh0ian1nk0gi0en0dgwitahtetheMerairnngauilmnbvoeefrrsEioxofnp.o1s0uwUrsgein.g bviouslytha 1 lower hanthe 14 gi hat 5based ontheRID nahi.

BACK TO MAIN Analytical Data Summary PFOS, Primary Standard - Test Control Reference #TCR-00017-046 SOLUBILITY IN WATER, NATURASLEAWATER, AN AQUEOUSSOLUTION OF 3.5% SODIUM CHLORIDE, AND N-OCTANOWL ITH SUBSEQUENT CALCULATION OF THE N-OCTANOL:WATER PARTITION COEFFICIENT (&,) OF PFOS FOR EACH OF THE AQUEOUSMATRICES Author Mark E.

BACK TO MAIN ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

-- Livhas THIN ns ARe236-1879 et mcm a na Novembe9r, 2004 HR 26040 59 Charles M.

AR226-2055 02 ^ to t ^ ->^^, 1 t 3 J""1 ^.

AR226-2197 /y Debbie J Mulrooney 08/28/2001 08:12 AM To: cc: Subject: Fred M Lentz/SE/DuPontQO.uPont Ta-Wei Fu/SE/DiiPontQDuPont, Stephen J Gissy/AE/DuPontQDuPont, Oscar T Garza/AE/DuPont@DuPont, Robbin Banerjee/AE/DuPont@DuPont.

AR226-2242 4348500 C8 2000 Actual Emissions Annual Average Vapor Concentrations (ug/m3) 434BOQ(H 4347500^ 4347000 4346500- 4346000 440000 440500 441000 441500 442000 442500 Maximum concentration = 2.805 ug/m3at 442135E, 4346899N 443000 443500 444000 444500 mi 4348500' 4348000H C8 Permitted Emissions Annual Average Vapor Concentrations (ug/m3) 4347500H 43470004 4346500 4346000H 440000 440500 441000 441500 442000 442500 Maximum concentration =10.033 ug/m3 at 44213 5E, 4346899N 443000 443500 444000 444500

AR226-2252 f^w^i (O\il\we /(/4jte(Ei7iC&w~) 7-?

AR226-2264 |&I ?

GUM 699 ENGINEERING COMPUTAIN (M "2.4 - tool calc AR226-2303 SHEET I 1 - 30-0 assumption I rs o recpt child aI 4 I R.Pincho t inhalation x - source 6: 0 t I ()uinput. parameters 30 u ON ',SE61414CAriDsrORkilN . .

AR226-2399 COMMUNITY STATUS VATER AIR SOLID WASTE 10635-1 - 03/08/9 - WBCllft EID951507 WASHINGTON WRKS OFF-PLANT EMISSIONS POUNDS C-8 1983 1986 ' 1988 WATER 21,700 19,100 23,300 AIR 12,700 16,200 26,200 PRODUCT 8,000 8,300 11,300 OFF-PLANT DISPOSAL TO CW - VWTP 7,700 TO LETART LANDFILL ____ 8,300 ____ 9,000 2,000 50,100 51,900 71,800 10635-2 - 03/08/t9 - WKCikst EID951508 C-8 LEVELS IN DRINKING WATER DISTANCE FROM NO. 5 OUTFALL {HZLKS) PPB 1984 1987 1988 PARKERSBURG 7.50 UPSTREAM ND ND WASH WORKS 0.50 UPSTREAM ND ND ND LUBECK WATER DISTRICT 0.25 DOWNSTREAM 0.25 DOWNSTREAM 1.1 1.9 1.8 1.5 1.9 1.4 LITTLE HOCKING 3.00 DOWNSTREAM 0.6 ND ND RAVENSVOOD 29.0 DOWNSTREAM ND ND = NOT DETECTABLE 10635-3 - 03/08/89 - WBCflcat EID951509 005>/ 00 0091- 00 ?

AR226-2498 j 1 "5 i ; |l 1 l 1j "x ifls .

AR3RG. 4705 27 Arar. 2708 Duron 14365 `TRADE SECRET Study Title Hydrolytic Stability of H-25435 as a Functionof pH TEST GUIDELINES: OECD Guideline 111 AUTHOR: Bogdan Szostek, Ph.D.

AR226-2749 Copies to: E.