AR226 _ 0608 TSCA NCIC NOTIFICATION FORM FOR CBI DOCUMENTS | DOCKET NUMBE-- R: rAr R e4 x6e 00 DOCUMENT CONTROL NuMBER: __ 6 3 050 0200 37 DocumeNTDATE: TT - (4 -po DocumentTyee: __DocttTM~~ ~ 83g53x5 L5S 3385 (OTCFHBEIT)DSOUCNCADUREMEREQNSUTEICRRTEEISFOEENRPE1AN4COTEFODPTARHBOEOTTVEoECXITISCFCRSLUOABMISMPETUDABNLAICSCECSDOINCSFOCINLDTEORNSTOUILRAEALSCBCTUBS(IITNOSEBCSTASA)I.INNEFTDOHRAUMTNADSTEEIGROTNION RTESLCEAAS,EAONRDITDIIMPSOCSELSOCROSIFMUSINURACLEHPEINNAFLOTRIMEASTIFOONR.

SEHR . 0800-373 T6320) ead ARG-- 0966 arial L867 HeCBI 1 REPORT Twenty--eight--day Repeated Dose Oral Toxicity Study of Sample D-1 in Rats (BMR143C) ?

3M Medical Department Study: T-6295.12 Analytical Report: FACT TOX-110 LRN-U2849 Table 7: Ambient-Temperature Stability of PFOS in Rat Serum After 24 Hours N A Not Applicable RSD = (SD/Mean)x 100 %DEV fkom 0Hour = [(X Hour Conc.- 0 Hour Conc.)

Gril Company ASAI 6LAS5 0.170.

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AR226-2036 PECKSR 07/28/98 11:53 AM To: cc: Subject: SZAKATBK, MILLERSR, HALBERRM PLAYTIS , MILLERW , PARSONMA, MAYLESM , ZIPFEL pathforward and problems with detemiination of C8 In air Based on high reported C8 results for -the air samples collected on and due to erratic 6C results, I recommend resareples be taken from these locations.

AR226-2164 2Z H "Ss8 gg || It ^.aaals ss??

AR226-2206 Fine Powder C-8 Scrubber Particle Size Analysis ;<'";(,. ^

Stack Parameters AR226-2226 ^Vent ID 3'61ZCE conaiats of IS one"fbot diamelBr venia.

AR226-2384 PERSONAL & CONFIDENTIAL 6/13/B4 TO; H.

AR226-2646 00 01 05/09'02 13:51 ' .< .

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?

AR226-2778 FOR DU POMT USE ONLY Copies to Haskell E.

AR226-3133 me i Life Sciences Ee el Lna Lo af adh d Be Ne Hiei i im --- ade & m EL L ne E Yoe Pea ea aLoa i a lc add n E b ai a b Lc oli E EELn S Se a i a h Be en i hi i i Poa L Lor l hie k he ah Se g La Sediuiinlaa la o i i !

ra_z 32e 54 "eo TRADE SECRET ARAZ6_ 3254 DuPonc11111 Study Title H-25357: Acute Eye lritation Study in Rabbits Laboratory Project ID: DuPont-11111 TEST GUIDELINES: U.S.