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AR226-2333 Source ID ' 1 2 Description Pre-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) Post-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) DEC Scrubber MP-2 scrubber Location Height, m Contribution, ug/mS Contribution, % D Plant 7.002 50 D Plant 15 3.345 24 E Plant: copolymer plant for PFA and FEP MP-2 building: 18.2 2.953 21 copolymer type micro- 16.1 0.771 S total = 14.071 source parameters 5-1-03.xls Contribution Source ID .

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AR226-2639 28 romuaniet oy mien balinossi/as/ousons on 11/15/2008 13:33 we TRAR6 -- 26ST - 2 nasousom iBrartsyaoen 1aet?

AR226-2758 FOR DU POUT USE ONLY Copies co E. 1, du Font de Nemours and Company llaBkeii Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark, Delaware 19711 HASKELL LABORATORY REPO&T NO. iUUb-BU 1 Teote -nw Haak-'ll No.

AR226-2764 FOR DU FONT USE ONLY Copies to: E.

AR226-2772 FOR DU POUT USB ONLY Copies to: Haskell E.

-'R DU FONT USE ONLY AR226-2903 'Copies to E.

CorporateHealth Physics CorporateOccupadonal Medicine CorporateProduct Responsibility Corporate Toxicology 3M Medical Department 3M Center,220-2E-02 PO Box 33220 St Pa4 MN 55133-3220 651733 1110 AnalysisofSelectedDecatur Employee Serum forSulfonicand Carboxylic ]Fluorochemicals This3M technicarleportanalyzedthe5 highestorganicfluorinceontaininDgecatur employee samplesand analyzedtheserum forperfluorooctanesulfonate, perfluorohexanesulfonaatned perfluorooctanoateI.n decreasingpercentfound, perfluorooctanesulfonactoentributebdetween 55 - 80%, perfluorooctanoatceontributed between 15 - 300/oand perfluorohexanesulfonactoentributed5 - 15% oftheorganic fluorineA.nalyticalmethods used were electroncaptureand microwave plasma detector. 3M T EOCHNICAL REPORT Report Number-. 7230 Date: October 4, 1979 TITLE: Analysis of Selected Decatur Employee serum for Sulfonic and carboxylic pluorocbealeals AE)THORs ABSTRACT: The precence of C and C. sulfonic acids was detected in certain blood samples using bo;g electron capture and microwave plasma detector methods.

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AR226-3004 .

I @BILIL V,f,P-I)d-l,4A-4-f(A@lLAYA\JI)Q @em InternalCorrespondence To: From: Subject: Date: Dr.John Butenhoff,Manager CorporatI e Toxicology Dr.

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