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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.

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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 ?

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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.

Comments on the PFAS proposal Zhejiang Quhua Fluor- Chemistry Co., LTD.

R226 JH 426 511024a67O:raScGohvaogne eSTyovmicyRas --_ `TRADE SECRET Study Title 90H--D2a4y67O8r:alSGuabvcahgroenSitcuTdoyxiinciRtayts Volume 2 of 4 Laboratory Project ID: DuPont-6554 ARRR6 -- 3244 Dupont PN || TEST GUIDELINES: U.S.

ARR_3R24C8 "0 `TRADE SECRET Study Tite H-24616: StatiPci,mAecpuhtaei,e9s6p-rHoomuerlSacsreening Test to LaboratoryProjectID: DuPont-6818 ARA26 3248 Duron818 AUTHOR: Daniel J.