AR226-2081 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT PROM l-Jan-1994 TO l-May-1995 3-May-1995 Page 1 AREA: FLUOROCARBONS - HOMOPOLYMERS CHBMICAIi SAMPLE LOCATION *:CONTROL C-8/FC-143 003 FINE POWDER PACKOUT ROOM DATE: 27-Jan-1994 NOTEBOOK; TTF01.P398 DURATION: 370 COMC: <.03 MPB SAMPLE TYPE: P PERCENTAGE: 5% EMPLOYEE #04500 PERS CODE: 08PJ C-8/FC-143 008 P/S - FINE POWDER PACKOUT DATB: 27->Tan-1994 NOTEBOOK; TTF01,P399 DURATION: 375 SAMPLE TYPE: A CONC: <.03 MPB PERCENTAGE: 5% EMPLOYEE #00000 PERS CODE; C-8/PC-143 008 P/S - FINE POWDER PACKOUT DATE: 25-Aug-1994 NOTEBOOK; TTF01,P428 DURATION: 390 CONC: <.03 MPB SAMPLE TYPE: P PERCENTAGE: 5% EMPLOYEE #04632 PERS CODE; 08PJ C-8/FC-143 008 P/S - PINE POWDER PACKOUT DATE: 8-Mar-1995 NOTEBOOK: TTF01.P454 DURATION: 405 COMC: 0.02 MPB SAMPLE TYPE; P PERCENTAGE: 4% EMPLOYEE #04632 PERS CODE: 08P C-8/FC-143 008 P/S - FINE POWDER PACKOUT DATE: 8-Mar-1995 NOTEBOOK: TTFOl,P454 DURATION: 405 CONC: 0.02 MPB SAMPLE TYPE: P PERCENTAGE; 4% EMPLOYEE #04632 PERS CODE: 08PJ C-8/FC-143 017 ROOF AREA-GENERAL DATE: 28-Jan-1994 NOTEBOOK: TTF01,P404 DURATION: 380 CONC: <.03 MPB SAMPLE TYPE: A PERCENTAGE; 5% EMPLOYEE #00000 PERS CODE; C-8/PC-143 031 INSIDE P.P.

AR226-2215 ' Date Is based on testing conducted at the Washington Works site in September, 1996. b Particulata scavenging coefficients for liquid precipitation are from Figure 1-111n the EPA ISO Users Guide (Volume li).

AR226-3036 Study Title Approximate Lethal Dose (ALD) of H-21333 in Rats Laboratory Project ID Haskell Laboratory Report No. 649-95 Author M.

TRADE SECRET AR226-3078 Study Title H-22762: Mutagenicity Testing in the Salmonella typhimuriwn Plate Incorporation Assay LABORATORY PROJECT ID: HL-1997-00676 AUTHOR: N.

AR226-3142 CONFIDENTIAL SPONSOR ElfAtochemS.A.

BIODEGRADATION (BOD/COD) TEST SUB -TANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

MICROBICS MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component of FC-787 or FC787X. (1-Octanesulfoniaccid)(CAS # 2795-39-3).

FEF 2 Pathology Associates International S55E A CCoommpaannyy ooff Science ApplApiplciacatiionosnIsnItnetemrantatiioonaall CoCroprpooration a ro Sponsor: 3M St.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES -- Ceriodaphnia dubia TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2.2,3,3.4,4,5,5.6,6,7,7.8.,8,8heptadecafuoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid.

* CAS Number 754-91-6 3M Company A R226.057 7 Voluntary Use and Exposure Information Profile Perfluorooctane sulfonamide I CHEMICAL IDENTIFICATION Chemical Name: Perfluorooctane sulfonamide CAS Number: 754-916 IL COMPANY IDENTIFICATION Company Name: ~~ 3M Site Location: 10746 Innovation Road Cottage Grove, MN 55016 1400 State Docks Road Decatur, AL 35601 Technical Contact: W.A.

AR226 -- 0755 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: A mixture containing perfiuorooctanesulfonate, which may also be OrecftearnreesdutlofoansicPaFcOiSd), (FCCA-9S5#, 2o7r9a5s-3a9-c3o)m.ponent of FC-203CE. "- Remarks: The 203CE (2/21/89). 3M production lot numberwas Current information indicates 519. itis a The test sampl mixture of 1.84% is FC- fPoFaOmSer,,330.%1%diseotdhiyluemneocgtlyylcsoullfbauttey,l 2e.t1he9r%,p6o0l.yo2x3y%etwhaytleern,e2m.o5n6o%ocStuylltpohneenyl 2et1h4erw,a0s.a1d2d%esdodaitaumnloamuirnylalsuclofnatcee,ntarnadti0o.no05f%2t0o0lylmtrgia.zole.

- i:'_i STUDY TITLE !

AR226-2039 INTEROFFICE MEMORANDUM Date: Prom: 21-Sep-1998 12:30pm EDT JACK OFFENBERGER OFFEMBJL Dept: Tel No: COPOLYMERS B-180T 863-4959 TO: 4 addressees CC; 5 addressees Subject: C-8 I have made charts showing the C-8 sample results for the past five years.

AR226-2455 Ohio River monthly average flows at Cincinnati, OH River flow data from <np://wwwJrd-wc.usace.army.mil/MonthlyJrtm/> Assume: 1 fl3/sec= 0.0283m3/sec; 1 m3 = 1*10"6 om3; 1 cm3 s 1 mL E stimated Estimated Estimated ftMeasured Lorig-term normal normal normal Estimated Mo-Yr flow, ft3/sec of iwrmat, % flow, ft3/sec flow, m3/sec flow, m3/mo normal flow, Urno Jun-96 131.400 175 75086 2.12E+03 5.51E+09 5.51E+12 Jul-98 94.452 211 44764 1.27E+03 S.39E+09 3.39R+12 Aug-98 28,387 80 35484 1.00E+03 2.69E+09 2.69E+12 Sep-98 21,200 74 28649 8.11E+02 2.10E+09 2.10E+12 Ocl.98 21,065 77 27357 7.74E+02 2.07E+09 2.07E+12 Nov-98 21,400 40 53500 1.51E+03 3.92E+09 3.92E+12 Dec'98 34,548 35 98709 2.79E+03 7.48E+09 7.48E+12 Jan-89 178,190 131 136023 3.85E+03 1.03E+10 1.03E+13 Feb-99 134,860 81 166494 4.71E+03 1.146+10 1.146+13 Mar-99 180.260 85 212071 6.00E+03 1.61E+10 1.61E+13 Apr-69 118000 66 178788 5.06E+03 1.31E+10 1.31E+13 May-99 60226 49 122910 3.48E+03 9.32E+09 9.32E+12 Total 1.02E+06 1.18E+06 3.34E+04 8.74E+10 8.74E+13 C8 discharge to Ohio River in1996,!

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