Document N5oG1pO4rYwXqmJwn61gODNy

Purpose: AR226-2366 DRAFT *' J-- t> I--V^. General H u w n S S n d S ^ n m e n ta l Effects Risk Analysts on C-8 a a a ^-yf= ~ sg 3 a a ^. _ monthsto complete fromtte to of t e t o estimated to ta k /ia y befowwill requirecollaboration withatmrr--'-`J ? . l ^ * >sureanaiyses listed Presentedassume a Feb. 1.1997^ ^ S ^ S e ^ scmeLf rfm<^ ^ Scope: >- Human Health Risk A. Hazard Identification TAMimoe/oLrrine Est. Cost($) 8000 RJZQ20624 expected upperconfidence techniques maybe used to calculate D. FfiskCharacterization Risks win be summarized accoidlnoinfharr. i J2/15/97 16,000 dermal, other oral) fore a c h M ^ ajor r?u,es of *Psure (air, v4ter. ETD093162 EID 093162 DRAFT a ...g iu ra li. Ine cnaraaenzanons will also et made of potential risks posed by C-8 alternatives. Ecological Effects A. Hazard Identification Time Line E st Cost($) ,nTMcator spedes wBIbe reviewed and summarrad nithis section. The critical toxicity endpolnts w be identified. Based on s^ar?hjlPhron;c stutfes in aquatic species will need to be undertaken. Avian reproduction and avian foodohain accumulation willneed assessment; howeverthis mav be extraoolaterf irann ____ l 9/15/97 2.) Testing (Rsh ELSand Daphnid Chronic) 8/15/97 (This is w#h static renewal and analytical) 3.) Avian fiTneeded) 8/15/97 $10,000 $80000 ' $80i000 Exposure Analysis --------. , -- " bj<w-o mn oe oeveiopea torthe tiiaher exPsure areas at the three manufacturing sites, including their S R *"* 81x1a customersite. Intake rates and durations of exposure Wi" wortt wfthanassigned person(s) from the plartsfetaT Mand wd aTMste d^isp^ots^al eoSp!eJrSatSio0nSsU. rtTPhealbhuwsainyessfsowrmillapnruofvaicdteurHinags,kterlalnwsipthorrtfa,fperoodnuct use, temjfated. Monte Cario Mtech,anfiqeuCetsedm"a"yibe u(asier'dwtoatcear*lcsuolia`)t-eTexhpeescetdedafuapwpiletrbe 1.) Exposure Assessment - Washington Works 6/15/97 2.) Exposure Assessment-Dordrecht 8/15/97 3.) Exposure Assessment - Shimizu 9/ 15/97 4.) Exposure Assessment - Customer 10/15/97 D. Risk Characterization 8.000 6,000 2,000 2,000 (manufacture, transport, product ussT ^ 0 The risks will be characterized by comparing the likely Predicted Th me10d is generally referred to as Hazard Quotient. The posed by C-flalternatives. identify The comparisons to be made of potential risks 12/15/97 16,000 Ml- Recommendations on Risk Management Strategies and Alternatives 12/15/97 4800 and nxw i* t ~ l and M l EID093163 RJZ020625 EID 093163 s R.IZ004927 \T\ cc f o RJZ004929 EID 932733 N 4. EXD090340 RJZ025075 1oreoC0nh , t P<N ... ft - I?- * ^J cO < X G -< ju< (c-q RJZ009055 i \J l o J vj u; O- W h ^ H lN G T O N W O R K S' O '8 N M U fL M E 8 N C O N C E N T R O T/O A J O RSE 2 RJZ009729 EID 935415 ~!60& D fS T R N C E IN ZOO \ EID 935416 ! lili EID 930571 RJZ002482 EXD930572 RJZ002483 `1 --e [-*- ---*_ O '- x,, ---J. *C-- ^ *"' u v - . c c / L ^ ' / a c . - /-U - ly - !i'l'l ^ T " ?o / tL ^ ^ c i RJ2025090 EID090341 , EID 090341 39 4 0 K-7762 Calculations. Continued 4 1 AFI. for pa matsrial is 0.01mg/cublo- meter 4 2 .............. 4 3 1 lb = 453.000 milligrams.. 4 4 0.06 lbs s 27,180. mg.......... 45 30_M...cfm .30.000..X..6.0. X, <t3 = 1.209.600 jm3 4 S 2.2470238e-gim g/m 3 io r 0.0225 mg/m3 EID 951800 Kssiozra JL K-7762 Calculations To Calculate the amount of TEFLON,and..Ammonjum.P.9ri,!uo^ Assume 6 Draw Machines 13 DHM's j3 HR's Process uses.i1;.g/rnin_of,,,^65^Jlnjsj3,,e|jujsign._ 4,8 Ibs/hr of finish oil remain on fiber,,........... ],, I Z Z Z Z Z Z ................ i....................... !... 1 0 ic/min X 8,3 iss/cal X 60 mln/hr s ,0258 finish concentration .r..Jk...9..?.RP.!Li#..r.................... 11 1 2 12.699 Ibs/hr ita!sfe.jpJL?J!R!LsSl..tP..-t!feSL 1 3 4.8 Ibs/hr finish. ol| Bremaj,nln._onJJber,, 1 4 ...... 7 ,899 Ibs/hr /DMJn,lshi,'onjo),ng,.to.,,Bond,,, 1 S 1137.456 lbs/day;jrast0,tojMo_^ndMflgr,JB^ , ,.s,. 1 6 Finish contains 10% TEFLON which Is max 0.5% Ammonium parfluprooctanoate 1 7 0,568728 !feS,.^J^QJS.Qj.y.W&^!jyP/i?S.lS!:SGS.tSS..S..3SfSS~!.9.!l 1 8 2 .7 4 0 8 5 e-8 jaarts....,Am.mon.iu.m..._JPerfjuoro.atan^ -,...S.f...,,yi3.S.......(/.E.S^.....,?....P-ED! 19 2 1 Pond holds 2.6 million gallons. 2 2 Fanh Hay. 1.5 million gallons water enter and leave the pond.. 2 3 5 .27 088046-5]........... 24 T 2 5 To Calculate the amount of TEFLON and Ammonium Perfluoroostljanoate which could_be .gnjtoer. 2 6 Assume 0.1% FOT^nd 0,.07_%,K^6igs............j............. 2 7 .0007 x .i ,%...T..t!9.n...?f:...P.:.9.P...3-n]|.rp.D.lWin...p.?i.tly.'?.|r.<5P.si&jn.9Sil;.?..5T. ,mt ammonium perfluorooctanoate on fiber 2 8 0.0,0,000003 parts.,ammonium,.|3erfluorogc^ 9.L..3.5,9...?S.?...i?9f..M(!i.9.E........ 29 3 0 3.50e-7' or .350. ppb on fiber L. -,: 31 3 2 ,1..cubic,foot.of air at 70 degress F at 29,92 lbs atmosjcherjoj?/rassure = 0.075 lbs. 3 3 30,000 CFM,X, 6.0...mln/hr.X.,.iM,.hr^ayi,j<.70%... DM,J.?MD.!iy., X 0.075 lbs/cublc,,,foo,t,..gf..aI.r,,=........2,.268,,000. lbs of air 3 4 0.06 ihs,cn.er,,daY/2:26B.000 Ibsalr/day = j2.6455,026er.8, or.26,5..ppb C8..In relaxer exhaust assuming 3 5 fans shut down when fiber .Isjotjunnlng...... 3 6 BUT, fa,ns,,runnJ,00%,.,of.,to ....ItlSigM?*. 3 7 ..... 3,240,000 air/DM/24h rs| 3 8 1.85185189-8 or 18,5 ppb C8 In relaxer exhaust assuming fans run all the time. sessiozra EID 951801