Document Ra1b21oBzGMaDqveK6kQ1KkV

k 2-^17 'RCV 'BO (HUhU)lB2 E. I. DU FONT DE NEMOURS St. COMPANY hfeomohATea P. 0. BOX 1217 PARKeRSBURS, W. VA. 26)01 POL.VMER PRODUCTS DEPARTMENT PERSOM&I,- aMP COWFIDEMTIM, AR226-1965 CCt E- D. Charopney, Jr. - Wilm. D. K. Duncan - Wilro. J. W. Kaines/R. M. Shepherd-Wilro. R. J. Bargex- R.. E. Putnam September 30, 1980 TO; T. F. JOBDM TOKYO J. S. LINDELL DOBDRECBT PROMi PAOI. THISTLETOM ^Q\ WASHINGTON WORKS M* . - TEgLOlW PTVrSIOHS - C~g (PC-r4'3^ COMTROI. was Attached is a copy of the "Status and Program" that reviewed at our Teflon Divisions' C-8 meeting on Sept. 25, 1&80. Please let me know if you have comments or questions. Attachment PT/nsw There's a world of things we're doing something about EID077237 TEFLDNOJJiygS IONS C-ff {FC--14 3) CONTROL STATUS A13D_ PROGRAM SECTION COMMOMICATIOK MEEriMGS EPIDEMIOI.OGY STODIES BLOOD ANALYSES t TOXICITY TESTS KSSfD EXPOSURE LIMITS C-8 SUPPLY C-8 REPLACEMENT AIR MONITORING AIR MONITORING PROCEDURE ElilGIMEERCTG CONTROLS - PEP ENGINEERING CONTROLS - FINE POWDER/DISPERSION PROTECTIVE EQUIPMENT - RESPIRATORS PROTECTIVE EQUIPMENT - CLOTHING . PAGE 2 2 3 &4 A& 5 5 6 7 7 8, 9, 10, 11 12 13 14 ^'i^a.^ to'JM^Ua Atto JtWUKflM JULY A. OSStSJESSZSSW MEiBPINGS (1) august Nine sliift meetings held for Mechanics, Operators and Research Seiniwarks Operators. Kronberg and Sfceiner reviewed C-8 tcodcity, discussed engineering oonfcrols, protective eguipaent, etc. (2) Oct. - tfeefcing(s) will be held for laboratorians. B. ^smsKWSt -STOPIES (1) 1/25 - (2) July (3) July - {4)August - Medical Division Stafcenaent "... based on liver enzyme study there is .no conclusive evidence of an occupationally related health problem among workers eaposed to C-B." (report expected in Oct.). 'Teflon area workers had no x^ significant excess of heart attacks ccBpared with rest of plant. Teflon area workers had X no significant difference in blood pressure from a control group with no Teflon (or C-8) exposure (adjusted for age, sacking/etc) 3M Medical Dept. published.a paper/ "Health status'of plant workers exposed to fluoro- chend.cals -- a preliixdLnary report." in the aaerican Industrial Hygiene Association Journal. MOB. ' SEPT, i ' OCT. X X NOV. DEC. JftH. ^--i, XMJJUMa U^Vt.is, 1.10 y-0 tf^-X^J; UJJN1WL) SESTOS TSND -psooaaM HCCOD atffiLYSES JULS- "AUS. ' 'SEPT. (1) May - Comparison at .Jackson Lab Showed good agreement of 3M (Boato) and Du Bont CEorch) aeaocte at low levels (0.3 and 1.2 pirn fluorine). <2) May - C-8 Specific method denonsfcrated at ESL (Jb^coved 3M method). (3) 8/1 - letter detailing'blood X sampling program issued. Includes oonparison of analytical msthods and discussion of data interpretation. (4) 8/4 - Release of employee x caanmunication "FItDEO- Itsurfactants in Blood" started. described blood sampling plans and sumnariaed overall pxo grain. (5) August - BSEi established for C-8 Specific blood analyses. (6) August - galling started for comparison of test methods. OCT. NOV. DEC. srarus AMD -psoGRaM JOLY BOG. SEPT. -iOCT. - TOV. -DEC. o BLOOO MiaC,XBES (oontin'oed) (7) 9/2 - Cotparison of 0-8 Specific said Torch naethods started at ESL. About 25 samples from TOT Teflon writers will be tested; (8) Kov. - Decide which method should be used for routine analyses. (9) Mov. - Start routine sampling as outlined in 8/1/SO letter. TOXECISK TESTS fiND ECTOSOKE UHTPS (1) 2/11- - Inhalation subacute test 2/29 escioex!ce period. (2) 2/22 - Blood analyses fjaiished fcr skin subacuta tests. (3) August - Hasksll Lab ingestion studies X showed no significant sex differences in lethal doses . for guinea pigs, mice and rats. Tests made by 3M showed that female rats eliminate C-8 much faster than Bales. (4) Oct. - Initial blood results from X inhalation subacute tests. 4 - "il!8. SEfflPS fflHi pRfttpBM D. TOXiCCTy TESTS AND E?apogSjB laag's -> (continued) (5) Sept. H.^'^lfg? % Tfgb report on bsekinisssuuebda.cute tests to (6) Jan 81 - AEL OonndLtfcee Review "JOM" ' flUG SEP^ X E. ' '0-8 'SXSE?SS (1) 7/31 - Si representatives X visited TO? to pronote r^pid conversion nan curEsnt solid C~8 (fiom rUbibon cteyer) to spray dried C-8. Olange in dryer their eliminates laany eiwiconmenfcal of prdblems. Activity on 0-8 solution tenninated (at least teaporarily}. (2) August - 450 Ib. spray dried C-8 X C-8 received from SM for evaluation. (3) Sept, - Fine powder, granular and . JEEP made using spray dried X C-8 in B3D tests. Dispersion p10ol-yn1e5%rizbaetlioown nreoarmctailo. n rate Granular polymer thermal stability __ below . --------- ---- nonaal. -J^M I *.>. a problem with opoeerraattowr May be acceptance because 0-8 is very fine and clings to soopps. w w - 3M representatives visited RW to review spray dried C-8 X evaluation. Macs semiMorks mevadaelubaetifoonreopflasnant ptleesstsw, ill be W ni ^S-K-TS pl^ gs^si. Tn >^ *- '^ g-roB * .By m * < G 03 -^> ^* |oo JgS' -3 1*1 \ >& gj-S-j 1^1 I I Ssll B8 I f.^ IByrg1! ft + Sit 3Fi+ Mgoph <+ ^ l - H tni 3 p" (5 c|' &~* p u cf ft" CP Hi ^1 l?a Illl IM ti 8-' IM &< ^tLJU *1f-1l oS 0 EID077243 graros'jaill sssxsm JULST i. jMigaiafciggHs(xssasms - FEP (i) Sept. - Oonpleted COD Ty-077 . anjunate free falling streams in clean room by installing eductors under V-niso press and 'Borus Disc dryer scrubber. -- ($32,000) (2) Coaguiator to fluff bin seal. auly - Draffcing request. X Oct. - COD issue, Dec. - Installed on one ooagulator (3) Mew recycle tank to return recycle tank fiLuff to fluff blendeac instead of manual dipping. Sept. - ODD circulating ($36,000) Feb. - New tank installed. ' (4) Eliminate the once/shift dumping of coagulator bag filter. Ang. - COD mr-127 approved ($7800). Mov. <- Installed (5) Provide means to vacuum sunp rather than scoop polymer - COD TO-085 ($5900) Sept. - Equipment due. Oct. ~ In use. AUG. X SEgT. X X X Ajruu^biu OCT. TOV. DEC. [ -JaM. X X X  sxKxms.ssss>' pscxafflM I. BNS:naBEKD93 CCaPWODS - 'gEP - (continued) (6) Engineering controls at trayout. July - Bec'd reccimendabions fiooni Fexnandes, BSD Consultant, on, dust control and ventilation. Jttig. - Drafting request. JULY X Nov. - May '81 - COD issue - ($40,000) Installation. (7) Eliminate polymer exhaust from c coagulation bag filter. Sept - Receive bags from vendor for evaluation. Nov. Dec. Jan. Feb. - Install first set. Install second set, if necessary. Install third set, if necessary. Determine, final efrluent concentration and deteennine necessary stack height. (8) Eliminate the manual dunping of the central vacuum system. Oat. - COD issue - ($17,750). . March '81 - Installed. MJG. X SEPT. ' OCT. -DW. DEC. X X X X 'SPSS. X '^y saaros ial! PKXSRSM Ajruujaia I. gStSffil^RINS'OgglBCgjS'- FKP - (continued) (9) Raise exhaust stacks of coagulation anil wet finishing bag filters. uTOLY -fiUG. March - Detennine final concentration after bag test. april - Contact Vferodau for height needed. May - COD issue. (10) Investigate Shoe cleaner. July - Installed but removed from tl X service twice due to decanter overflows. (11) Determine effect of Torus Disc product tenperature on C-8 concentration. Sept. - Asked aDG to set "up bench scale work because too much plant penalty. Mov. - Ccaqplete bench scale wade and issue findings* (12) Prevent hot steams containing .polymer/ C-8 fixan flowing through sumps. Sept. - COD TY-183 ($4700). Dec. - Installation 10 "SBET. - OCT. TOV. X X X DEC. Jan. 'ZEEWSSS'D'EVISSSSSS C-8 (BC-143) OaKBROL ' 'SSSXOS SSSS)PEOGEBM tiuiiy AOG. -SEra. . I. EMSmEBHIHS OOSSmCSS - EEP (ocaitijnued) (13) Monitoring, of equipient with BBM (Beal-tiEne texnsol Monitor) to determine" effectiveness of seals. >Tan. - Itestart program. (3.4) 3topn3we ventilation ia clean room throuc^i use of diamond plate on bop of grating. COD on hold pending outcons of eductac COD. 'OCT. ' "SSK37. DEC. 13KS. X 11 !!T!nTit!'m'l!!ll!''!!;!!;i'!^tl'^Si't"l!:!I!t!!S!!S|>!!l!!^i!itl!!ii!ia!!!iliH!^!!!!!<t!^ ."^U!!7S!!:ll!i^ii!!Mlii!^i]lilitI^l^!Si!I^^^!y^ii!!-;i;:t]|;i|!l^iii^iiil"ii!!|,i^ '"v^y SSKSOS fiKii flsoaaM JULY TOSIKESiRtNS COMTOga-FIMB POTOEE^DISBSBSIOM aos. SEPT. i' OCT. ' "HW. 'DEC. JAM (1) May - completed COT) TX-586 - Raise Fine Powder dryer air supply inlets to exhaust additional airisorne 0-8 ($1,200). (2) Way - completed COD 2Y-047 - Sitemal Fine Powder dryer fan guards to exhaust, airborne C-8 during outages - ($3,500'). (3) May - ccnpleted COD Ty-048 - Additionai inspection windows for Fine Powder dryers ($2,500). (4) May - .completed COD l'r-061 - Sspxove. dispersion ingredients hood and its esAiaust stack - ($5,000). (5) May - Bnproved sealing of Fine Powder Dryers - included better door seals and sealing between dryer sections. (6) Oct. - Further JbnpEowansnts to be made X in dryer sealing. (7) Reduce Fine Powder Dryer Exhaust Stacks' C-8 emissions - ($100,000). Kov. - COD approval May '81 - Installation (8) Oct. - Seal holes in floor above Fine Fine Powder Dryers to reduce C-8 concentration -upstairs. (9) Increase exhaust capacity from ft2 Dryer. Oct. - COD issue. Feb. - 33nstallation X X X 12 ",., ^A'^-f-. "st%ass- ' TEFLON DIVISIONS C-8- (.FC-14.3)' COKgg.01.. SgATUS MTO PROGRRM S^CTIOK A. COMMUNICATION MEBTIMGS B. EPIDEMIOI.OGY STUDIES C. BIOOD ANALYSES D. TOXICITY TESTS AMD EXPOSUHB LIMITS E. C-8 SUPPLY P. C-8 REPLACEMENT / . 5. AIR MONITORING H. AIR MONITORING PROCEDTJRB I. ENGINEERING CONTROLS - PEP J. ENGIKB^RING CONTROLS - PINE POWDBR/DISPERSION K. PROTECTIVE EQUIPMENT - RESPIRATORS L. PROTECTIVE EQUIPMENT - CLOTHING IZSCOOdTV .^\ A. TESWSS JSSffSSKIISS te,y SSSEOS ..gC-143) CCSfEBOt, ,ffGsm OCT. KOV. ^ PBg.^ ^ | JS X B. (1) 1/25 - Medical Division Statement based on liver enzyme study ". . . there is no conclusive evidence of an occaipationally related health problem among workers exposed to 0-8." (report expected in Oct.). (2) July - Teflon area workers had no X_ significant excess of heart attacks coxpared with rest of plant. /^t. (3) July Teflon area workers had X ^rfT-^&^c^u^ , ^ no significant difference hWtALa/ '5^ <r^ offi^^s^i^v^- ef^MS& Iv-fwua^. 3Jg C-^ W^t-fcAtS a^ut. orJ in blood pressure fnaa a control group with no ItedClon (M^AaBcflafenAt-A.a-.oi^t.igy;'T^WMUfU.j a--- tor C-8) exposure /<t^ny&- rfj- ? ^al^Sfiw -. c^-t- ^uUfy. (adjusted for age, anokJJig/etc) A<^ '^i7 ^&&ipA>a& ^i^Mwc6, 3M Dfedical Depfc, pdblished OtAfl.. k^. aiS^A <iTAj ^g rf ^eirr^gnsw^t^ paper, "^alth status of /^tiM^u >- '^i,*<- nrMy S^u^st- -S-^ workers^eS^osed to fl' cheaiicals - ^ preliBiii M^' ffWfv^ .AA.^ '7^^- -&^M!^<(_ jiSa^u^ o, ^at. }f ^i. 3 ^e^i-iit^-y^ report." hi a ^Enaustrial ) Association .iHih SljOOD S3SS2BES "vy TEgIOK TXS?fB/ rc-8 (gC-143) oaMEBX SIHftJS MTO PK)GRM4 'JOElY ATC.' 'SEPT. OCT. NOV. DEC. X of employes safcion "Fluoai~ ants ill SLooa"s^rtarfced, ^ Zt described blood sanp'^g plans and summarized overall procpTani. (5) August- - EI> established for C-8 Specific blood analyses. (6) August - Sampling started for conparison of test methods. %0(wrv x - 3 - '^visf-- TEffiCSSS ^ C-8 gC-143) (XMIROI. M3"E%X3tM JULY TOG, 'SEIT. OCT. c. HCjQODMSLYSES -' (continued) (7) 9/2 - Conparison of C-8 Specific (.G-^-) X and Torch methods started at ESL. SiestaSe. 2? salaries fxom MW Teflon workers i.Alh i- tested; C-- 8 /<yC .'JS.g^'S.^^0*^^^*" Jaa wed for routine analyses. Uu^p o^ Cc--aS//GG-C ^>) Vk^ a^ff^a^ Start routine samn^ptling as OJk^(.*- outlined in 8/1/80 letter. . ,1 ylMe-^^ai^y i'- D. TOXICI3X 'EESTS AND EXPOSURE 1SSSSS' MOV. 'DEC. X X X (3) August - Haskell Lab ingestion studiaa X showed no significant sex differences in lethal doses for guinea pigs, mice and rats. Tests nade by 3M showed that female rats eliminate C-8 much faster than males. (4) Oct. - Initial blood results from X inhalation sysbacute tests. t'Z8OOdrV ^y TEEIXgtS DIVISIONS h-: (FC-143) OONmgi SIftTUS A l...,.3CxasaA D. TOOm-re lESSES a EXPOSURE I3MITS (continued) jurx AUG. fflspi'. i ocx. 'NQV> nBS. 3S8 - Haskell Lab report on x skin subacute tests be -^cr issued. ^p/s'l WSeeT-^S- -- AEf, Occnilttee Beview X E. C-8 'SOPEIiY (1) 7/3^g 3M represetitatives x visited WW to pKoaote rapid conversion xcm current solid C-B (fnan ribbon ^cyer} tpjgsssy ^cied^C-8, Qiange in Qsy&c'Siisdnakes wezy of their envi-Kaiaiental pabbloiis. acti'vily on C~8 solution terminated (at least temporarily). (2) augustfe> 450 Ib. spay dried C-8 X C-8 received fsxsa. 3M for evaluation. (3) (4) SZSEOrMfV Sept.'fc- Fine powder, granular and TOP made using spray t^rigd , 08 in BSD tests. Dispersion polymerization reaction rate 10 - 15% below normal. Granular polyinar thermal stability below normal. May fc a problan with operator acceptance because C-8 is very fine and clings to , scoops. 9/17 /3-3M representatives visited / W to review spray dried C-8 evaluation. Mare serniworics evaluation of samples will be mqfle before olant tests. X t x .-HIji -J' TEBIJONS SDIVISlDMte; " ' 'gc-143) '"'Y/ S!iaros 'aSD 'PBDGBSM . ocaroROL OTra" JXJG. sgpT. OCT. Koy. DE5C. aKM C--8 'BEEEACS^CT^ ^y^/4 - T&fSSSs&tiaa of "to7sf8(1 's^^suzSaetant recgpatteraaedA ^ (KbrgM^^gcafeton lefcfc^---^'^ (2) JMay Ay Seini'Marics pro<2ucte sade witii three fluorinated surfactants aEpear to yield satisfactory end product. Evaluation continues. (3) 5/^^s- EKN* testing program reviewed at Haskell Lab. Tests will include nonitoring blood Q.vosi6e levels. j , (4) Augustg&Tests authorized. Timing X depends on availability of material. (5) . ** EEP KLant Test. * Prenanufacture notice as required by TOSCa. ** Tisiing depends on toxicity testing and plant availability, 9Z800<ITY U;JKIi'lXJMgi UJ.VJ.&J.Udtf-, . U'^-.i.^.JJ acKros ss&y' :)SiaM ... I" UJNXJWill G. MR MoroaoKnsiQ JOTS" (1) April 7 day personal sanpling program for Fine Powder 6 EEE> Wet Finishing Operators showed 6Q to B0% above 0.6 iqob limit. (2) Sept. 7 day personal sanplas for Pine Powder Dryer Operators had an average of 0.25 rnpb with no values above' limit. (3) Sept, 7 day personal sanples for FEP Wet Finishing Operators had an average of 0.91 npb. Personal sanples in .April had an average of 0.95 npb. (4) Repeat personal sampling for fine Powder and Wet Finishing Operators AoAPX- O^*"!----*"^/ TFef H. MR 'MOirorORINS 'PgOCEDUHE (1) May - (2) May (3) 9/2 - Canparison of inafhylene blue and C-8 Specific methods (developed at ESL) using split sanple' shcMS excellent agreement. Chlorofonn/ftzure A Method developed from Dutch method by C. S. Cope. C~8 Specific method available for review at WW. (4) Oct. - Eeootiroend preferred rosthod for routine use. * Will depend on completion of Engineering Controls. aoG. SEPT. , OCT. X x X X - 7 /ZSCTMCV NOV. DEC. , 3SSS TEEifflgiDIVISIONt^M^-" (FC-143) gWTOCfL lit'-' SEMCUS'; S iGGBBM JULY AUG. SBSV. ' OCT. TXSV, DEC. ' I. BNGIHBBKDSG'OCen'BCTiS'- FEP W Sept, - Coirplefced COD TX-077 X Eliminate free falling streams in clean mom by installing eductors vsnQec V-Disc press . and 'itoiMs Disc QsyeK sa^ibbec. -- ($32 y 000) (2) Coagulator to fluff bin seal, July - Drafting request. X Oct. - COD' issue. Dec. - Installed on one coagulator X X' (3) Kew recycle tank to return recycle tank fluff to fluff blender instead of manual dipping. Sepfei. - ODD circulating X ($36,000) JJ. -gab, - New tank installed. (4) Eliminate the once/shift dumping of ooagulator bag filter. Aug. - COD ra-127 approved ($7800). X w. - Installed (^A-) X (5) Provide means to vacuum sunp rather than scoop polyner - CCD TY-085 ($5900) Sept. - Bauipnieanfc due, Oct. - In use. A/l,^ - Va.;\^ Pt.+^/^.KS.t^H 'T-r'^V X 8 - il^t, .,.^ TEJIOM DIVlSIOMbV, jtbU-L^.iJ' UUMi-JtUu SXKEOS Hi'. ..OSRiy;.! Jtg.Y fiDG. SEPO',. sOCT. TOV. DEC.. EKiSIEFRRRIlSG COWROi&S'- "FSS - (cont.ijnied) (6) Engineering controls afe trayottt. July - Rec'd reccanendations fjxjm X Fernandes, BSD Consultant, on dust control and ventilation. py,+r+-^- ^^ i' Aug. - Drafting request. - 4ii+</ p,,, ^,y, ^., , X ^tov.,, - GOD ipenja --fj4r00aj ie<,'/?<w * coo Txfa'77 X. fe!"?^, ^."^1 ^ ,<" '-''^'^'^Ci^-G^.vrf- 0 , I,V, J"-II(,.B, . oor'^i installation, -?t (^s^- ap-^.to/i+iL^^ ( c,^,++.,i1,-t1 s) (7) Bliarfnate polymer esdiaust from coagulation bag riltar. Sept - Receive bags fron vendor X ' fdE evaluation. Ktov. - Dec. - bs^^ gnotall .fiatot oofe.^'^ {^ Tt*^ Batoll seoond-ocsbr .i. 'X^--*'""-"^ j>;a..to,>(A. ^t.t-fct. ir*l<t &uj,+ neeessasy. a ^c-L V1^"'- i'->"t- t-.^-K if Jan. - matoll third cot, A,Sre>>a.^i.( - .* ox Af^-^. ^ ^ . necessEffy,. Flon+i. w.t^-TeA,, lo* tvAa^A. i*^ --ttt^ w. e"tf;iit ^\\ P?b--Deteattmc-final-cfaaant -r-TB sst<.~. o-;^ oo4. eoncenlj.'tit.Lan ami ,, t*jv^- /'.<. ^. /x<&%-M/rfl), datoonino noooncayj ctadt X X ^S^^ ^^\ /^iy - d6-^-~t ^.^^-^-f.^ ^t^-.'^ (8) Blimtnate the nanual dumping of "'""" -^ ^w-^ ^:f"' the central vacuum systea. Oct. - COD issue - ($17,750). X March '81 - Installed. 6S8OOdfV -aBsa...._ ^- 'E^tOtSS PIVISIOHS SSSSaS'JSS) (gC-143) COaniOL iLiSRBM JULY fSJG. 'SECT. OCT. NOV. DEC. J! I. 'EKgngEBBPyS COtCTSIXS'- gEg - (contteued) "~ (9) Raise eadiaust stacks of coagulation and wet finishing bag filters. -Maaseh - Determine final concentration .ftf<~ after b&g test. -Agria: - Contact Vferodau for height ^w^ needed. 3^ -May ~ COD issue. (10) Investigate Shoe cleaner. July - installed but removed fran V service twice due to l^^-M^ ^"^'^ . decanter overflows. 3ftH.- ^ , >l^ ., ^ '(11) Determine effect of Itorus Disc product temperature on C-8 concentration. Sept, - Asked SSXS to set vp bench x scale work because too much plant penalty. tiev. - Complete bench scale work and issue findings. D-Ae- (12) Pj:evsit hot -steams containing polymer/ C-8 fit-am flowing through sumps. X- Y Sept. - COD 1Y-183 ($4700). x 9w. * Installation / JLtn^'/ J-^.-- x x 10 ricocnMrV t x >< x ^ w x ^ EID077259 ,,,,^ ' 1; a' ISE-IDS D3MSIOCEh.-- (FC-143) COHEmC, </ , glares KiSH OGEKM ' ~----------'----------H...,1..--------.^F---------.-..- JOLy BSGSiSEEGSG COEBroOiCi5-FIMB 'POMOESR/OISPEBSIOH AUG. SEPT. (1) May - ' completed COD 'EC-586 - Raise Pine Powder dryer air supply inlets to exhaust additional airborne C-B ($1,200). (2) May - conpleted COD TX-047 - 3htemal Fine IfwOsc dryer fan guards to exhaust airbocna C-8 during outages ~ ($8,500). (3) May - conplefced. COD '?-048 - Additional inspection windows for Pine Powder dryers {$2,500}. (4) May - coagaleted 030 TO-061 - Bqacove . dispersion ingredients hood and its esdiaust stack - ($5,000). (5) May - InpBOved sealing of Fine Eowder Dryers - included better door seals and sealing between dryer : sections. (6) Oct. - Farther jroprovements to be aiads in diyeac sealing. '' " (7) Seduce Pine Powder Dryer Exhaust Stacks' C-8 emissions - ($100,000). co'-vUs^^^" ^ (^^ Ci^r*^ M^ C'^' , ^ /^ O^f7 f f 1^ L-6rtT X ' . Nov. - COD-approval May ' 81 - Installation (f^1^ (8) Oct. - Seal holes in floor above Fine . Fine Powder Dryers to reduce C-8 concentration upstairs. (9) Increase exhaust capacity from #2 Dryer. Oct.' - COD issue. . . Peb. - Installation '&"'----------"~==L OCT. X } ^ .X i t i H3V.. DBS. " / ^ WE, ^JsKsHfS / S ',^.-^-"----"i"^'sc/ ''"'i. ^ -, 11 - 'ria''ww8> mvj^iimy saasrus j U'U-.L'U) OMI'KHL jpGaaM K. BICg'ECTIVS EQOTEMan' -"BSSSSIBfQXSBS JULY AUG. SEPS. OCT. KW. DEC. j ComEo II (1) 3/5 - Use of GMa-H cartridges (ccrabination high efficiency filter and activated charcoal) approved by R. F. Kinter, Chairman, Bespirafory Protection Subconmittee. (2) March-June - Q4A-H cartridges established for routine use. (3) May - GMA-H cartridge tested at IStskell Lab with 1 ing/to3C-8 (10QX proposed limit) feed. Capacity exceeds 40 hours. W 9/15 - Report on cartridge tests issued (HLR 664-80), It.should .provide a basis to esctend cartridge use to a nonth. This is ander review. Air Supplied Systems (5) May/June - Field tested 3M Hardcap system. X 11 (6)'July Becoroended to Production X to provide 3M.Hardcap units (7) May - ^i^ for all Vfet Finishijaq cersonnel. c^oven.'^a-fe-rtSe^d CW |UAflu&ffiM1--------------' Ty-045 ($72?0) for breathing air stations in FEP area. (B) Sept.- completed COD TX-0$2 ($1,994) X for breathing air station for weigh station. (9) 3/11 - COD TO-051 ($16,750)for breathing air stations in Polymers area authorized. Oct. Breathing air stations in X /-:) service. 4> /\0ft'e. ^^Ttrf'v^ /t^ rm't-^'e' r--'--,r ^..JaJSSSgi....:.. -.i>.-aa.-,._ISi;a,,.A4MS Pi 'CEEIOKP DIVIStOliS Ciy^-143) COSEBOL sasaros MD'ifcusw. L< 'KBOgiCTITO'BigJIEME^I' - CLCffiHaS Disposable Clothirtg s 'GlcWes (1) 8/28 - Started, field test'of protective clothing. (2) ttov. - Start field test of protective clothing 'with sore breathing capability. g.ti (3) Peb }wQ - Stock approved protective clothing iA Stores. (4) May - Started routine use of ftL-61 latex rubber gloves .in Fine Powder/Sispersion .and PEP Areas. rora- ADG. X SEPI. OCT. ' 'K07. X DEC. I jaM 14 i7E8Ooarv