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AR226-2144 COHMUNITY STATUS VATER AIR SOLID VASTE 10635-1 - 03/OB/B9 - WKC:kt EID951507 WASHINGTON VOBKS 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 - WWTP 7,700 ____ TO LETART LANDFILL 8,300 _____ 9,000 2,000 50,100 51,900 71,800 10635-2 - 03/OB/B9 - WKC:kBt EID951508 C-8 LEVELS IN DRINKING WATER PARKERSBURG DISTANCE FROM NO. 5 OUTFALL (MILKS) 7.50 UPSTREAM PPB 1984 1987 1988 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 RAVENSWOOD 29.0 DOWNSTREAM ND ND == NOT DETECTABLE 10635-3 -- 03/08/89 - WSCikat EID951509 I I i 0 IUj I tQ 6 t s -- 01 T-< I.0 ^^^ u 00 0091- OO'S^- JL33./ IV/ sJ3t^{JJ.S~ta EID951510 C-8 ENVIRONMENTAL PROGRAMS VATER CLOSURE OF SUPERNATE PONDS TIMING 4Q88 PURCHASE OF LUBECK VATER COMPANY - CLOSING TURN OVER TO DuPONT 30B9 4Q91 REPLACEMENT OF C-8 IN FEP VITH TBSA POSSIBLE C-8 RECOVERY FROM FEP EFFLUENT 19X IN 1988 IN PROGRESS AIR FINE POWDER DRYER RECOVERY PROJECT UPDATE FENCE LINE MONITORING 4Q89 4Q89 10635-4 - 03/08/89 - WEClkst EID951511

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AR226-2713 35 AR226-2713 UDR-TR-2004-00025 FINAL REPORT Laboratory-Scale Thermal Degradation ofFluorocarbon Materials July 2004 Final Report - July 6,2004 Laboratory-Scale Thermal Degradation ofFluorocarbon Materials Takahiro Yamada, Ph.D.

Study Sponsor: Issue Date: Document Reference No.: ELF ATOCHEM 18-Jan-94 43833\ AR226-2999 Ready Biodegradability Study (OECD301B) Author(s): J.C.

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AR 426_ 3310 rd -_-- --- TRADE SECRET Study Tie H-25357: BiopersistenceScreening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-11557 AR2RE 23/0 Dwupeonic1s55s7 AUTHOR: Carol Finlay, B.A.

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