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AR226-2446 \ ^ j ^' f.T"1",^' Is" " i ?

THE EFFECT OF PERFLUORINATED ARYLALKYLSULFONAMIDES ON BIOENERGETICS OF RAT LI[VER MITOCHONDRIA KendallB.

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AR226-2143 C-8 EXPOSURE LIMITS AEL IM AIR 0.56 MOLES PER BILLION .01 mg/m3 BLOOD LEVELS UNDER REVIEW PUBLIC EXPOSURE LIMITS DRINKING WATER 5.0 PARTS PER BILLION (GUIDE LEVEL) COMMUNITY EXPOSURE (GUIDELINE) 0.0003 mg/m3 RJZipfel/sbr - 009665-2 - 5/24/88 EXD951520 WASHINGTON VORKS OFF PLANT EMISSIONS WATER AIR PRODUCT OFF-PLANT DISPOSAL POUNDS C-8 1983 1986 21,700 19,100 12,700 16,200 8,000 8,300 7,700 8.300 50,100 51,900 RJZipfcl/sbr - 009665-3 - 5/24/88 EID951521 C-8 ENVIRONMENTAL PROGRAMS FINE POWDER DRYER AIR EMISSIONS REDUCTION SUPERNATE POND ELIMINATION NEGOTIATING PURCHASE OF LUBECK WATER SYSTEM ZONYL* TBS REPLACEMENT FOR C-8 IN FEP * Du Font's KgistTd TrdniKrk RJ2ipl/sbr - 009665-4 - 5/24/88 EID951522

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AR226-2424 LETART LANDFILL 6ROUNDHATER HONITORINg - SUMMARY Of PC-143* ANALYTICAL RESULTS Sample location Upper Pond Lower Pond Upper Pond Lower Pond Well 1 Well 2A Well 3 Well 3A Wen 4 WeU 5A WeU 5B WeU 8 Upper Pond Lower Pond Upper Pond Lower Pond Well SB Well 5A Well 4 Well 5A Duplicate Upper Pond Lower Pond Well 3 WeU 3A Well 7 Well 1 Well 8 Well 8 Duplicate Well 6 Well 2A Trip Blank Date^Sampled 1/18/91 1/18/91 2/8/91 2/8/91 3/22/91 3/22/91 3/22/91 3/22/91 3/22/91 3/22/91 3/22/91 3/22/91 3/22/91 3/22/91 4/26/91 4/26/91 *11/22/91** 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 11/22/91 FC-143 Result (ug/1) 2,900 1.200 2300 400 60 50 390 380 690 1.6 340 25 500. 340 930 670 380 0.8 830 0.9 790 1,000 1,000 350 O.I 68 280 280 24 63 0,1 * FC-143 Is anrooniua perfluorooGtanoate Ionic surfactant & ** Analyses ptsrforeed bys CHzM mn Quality Analytical Laboratories 2567 Fairlane Avenue Montgomery, AIL 36116 Method Detection UaH O.I ug/1 | Other analyses performed bys Du POnt Experimental Station 141 N Henry Clay Road wnrotngton. 06 19880-0301 Method Detection Unrit 1.0 ug/1 o g 1/31/92 <ji hews 1023 EID1162B4

AR226-2682 4 AR226-2682 C-8 BIODEGRADATION IN ----GROUND WATER---- Andrew Hartten Dave Ellis May 7, 1998 GEOLOGICAL CROSS SECT SAMPLING LOCATIONS SITE CONCEPTUAL MODEL Source Areas Former anaerobic digestion pond (sludges removed) C-8 up to 614 mg/kg @ 8 - 10 foo Ground water at 309 SITE CONCEPTUAL MODEL Hydrogeology Sand and gravel 65-100 feet deep Yields up to 300 GPM Production wells influence GW flo Linear velocity 1 ft/day K= loo ft/ LUBECK WELL FIELD Travel time from anaerobic pond is about 5 years *& 2 ppb discharge concentration WHY STUDY C-8 DEGRADAT IN GROUND WATER?