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FILE NAME Manville JMA DATE 1967-1969 DOC JMA004 DOCUMENT DESCRIPTION Minutes & Report - Ambient Air Surveys Sy Aad 3 Pri) : om 6/19/67 6/19/67 ~ 6/19/67 Fu ae wit we. : . Aa L 6/19/67 6/19/67 6/19/676/19/67 6/19/67 .... .... 7 ge ? micrographs th th th th " - High Ce A 2 High . "4a, . .^' ~~ . os 14430 -, ay ee PT A ee BL ML rege LAE ae . an 4 Engineering . rs Research and _ a Center ' 7 re oof ehh Sb ae. re ee 27 he ee Ys File Vorwald LowPh Vorwadlode va oo . ra we wie Spe Tae a % or Soa . . . . i. - . ve a. . Fe L. Pundsack ay 4 7 5 . ata as a wo . aC ee te. goee woe , book ' . he apelin . ' : 2 oe . . 7 oh ane c . aa " easeSagat ake a, o Vorwald Report ge te following concerning , The are some general comments report the dust samples collected in downtown Detroit Dr. Vorwald's . on . t the el amount amount 1 Obviously they were able to find many fiber particles in these dust 7, hee t- >. samples However the pictures do not allow any estimate of the amount Maso ANCE gtof such fibrous materials present in dust areSiaoe ae Os pag oy me ee eee ae a Caer 2. The fibers appear to be chrysotile all show evidence of some be uate peonyee + of type of degradation Such degradation could be caused by either - . eesi mechanical action or by heat . 7% . . roe . ft . ere magnification optical micrographs blown sate mops ope - 14-71- . ' 3. Many of the high ... ome eae gem het AL eA micrographs s e AM- oyblown have been up a h S raya ia aicne) at ou to a point where the details extreme magnification seen could be artifacts caused by the #we *, wiea a votes eee tO we tPr i>) par pure Be was 4h,The optical micrographs of the fibers appear as though some attempt i vo made to separate a fine fraction from the original sample In 0-0 sidentce. doing so + they hrslar1ge000 fibrous 56 have isolated a 2 fraction of material eee .s s as wh fal 4 i. ed have the appearance of fibers which were heated at a lower temperature - ed 6. It appears that any fibrous material which had a tubular appearance chrysotile regardless + aS Sue aaLaeiswh hia Specific compiled Bailey and Heimschussel attached. ee Shen . oee.sr,errnatad Specific - was oepace considered to be te SAREara e a alae comments 6 2 pa fae of the magnification used . hymess< YAne iy RF ies eeee cast oanetmeerte, os 2attached oesPiSee ay by D. G. fae wth OT . : ; a, are os Ae re weg . a SS ye io oy , Ml | . >ieBES g * roane rht Sleei S2ie eesete EEE IES,WHILE bMS ey te gue Cewnt aintt,o itee path oon, hh we eae, 4 * , i we aeeaten weare a eee , . 4 . 4? msaaa ta , ~ us J. P. Leineweber Se "4 a ee tee + ow JPL ma apetem ai *, NG \ 1 ee uy aes we ao aeAttachment me rego? . - cee ae nay i. antlwel aera itsye awe PDD ya a oot Cs oo 3 Fw he . mete Be tL ye . mae . a _ ong a.ae rar a . Sass ty ~ iu a a eeu Miter wnbraat wtow e : , a 7h aediy? Bot, Deeds Bae re 7 + aay Beet Pan ean we Sea fe . 3 ,ae A ac + a 4d 4 . uty eS as) eve ~ vw ts a Tee ates ~ cc : wit cc H. Jackson Jackson Jackson x - eo he FOa!n + 3 eM ee we 2 woes we Veer Shae ho cn 4 ee i) moray ee eg P> a ote p08 I OS tt, meres 7 S. Speil D. Bailey SoMleEr E,y "3 we G. Reimschussel fe ot flione Sad 8/1 wto mininge mininge mininge Recent Recent Mot aoa 660i, an ~ ote j - me moro , ~ oo. 28 bd .f ot, at, . ~ i , aa e, ta? ne ~ ow . a . . - ;ae to y cman se cae cat, we en ter ream eS tere sagan aye fe re a re a ~ ee oe eea ie a0 ^'d at { a 4 > : SeeS Wns Ea ae, 2a Pane 21 3 RATS : lee, ; ng,2dae was Poa WL Dei ATTACHMENT . :why Lo ey ATTACHMENT i ~ f. o wee woo, . a . . 2. ce aia ii CE 2. weer Foe tM MI . . . OY ae tel Oe wee a eee ee 4 be an "Ra rc ee, : ee : rr . . 8 - 4 sos SOR . a RTM meget eS , ee . 9S 8 ARE ate , malt j : FIGURE TITLE _ MICROGRAPH MAGNIFICATION COMMENT a 7L . : weet 4% . . << 4 Amosite on i } " a 5 moana fe ** .. patent . vey Splinters ' Light Tie 860x Splinters " . a 15 microns and less 4 aks Peer bet anders "Pye 2 - 7. 11 = Po* hase . . / Jt I 376X . Splinters 15 microns and less yey oo 2 peSnaer -""- 3. 11 yoo, o~Electron . 33,290X _"_ Splinters eho wat ee ee ta HD and Bete less a bcdm pe > ertak3 ? Lightaed,Light tcce Sas oS; ety 4 and EES Light pies VP Splinters ys ES 5 phAmositeoY 860x - 0.4 micron diameter Sena tie pet . asa ob . we oe 5 ote eyweit less * 20 micronsand ras , .oF ' yee LEE ee fn eA ix aie **** Amosite xt 6, ipagly Electron 55,383x 55,383x Possible sintering * ae Ce mete aa Amosite 4 veg on ~ " : Fey oo toe r te sae a 7 og) on t iat, Oe a Ne oh J , - . . . 4 preg THT we : , oyw, is : we . . vt . . *. vila . ; tere - a . - wey + 10 + -++ Chrysotile seyy sat Light vo age 1,655 1,655 itr, well opened - earn er dg eee | st ert ie aei a. 13 Chrysotile Electron 168,200x Ss Damaged fibers Ball Milled ae | 16 AzaCdh, rysotile ots atthe atthe beg, . Electron 111,200x Shows effect of heat = | roe 2 tonyNrwe o hedes fyMaka anLea al saeebur tkeNitneste ' og , 2 ane he al eee DOA ~ a ' . 7 17 - _, Crocidolite Light ~- | wie 860x .. Few fibers abt Contato Met te : oe 344x duct intake *** 24 5100 5100 Pre filter Light ae ss Air " outside .``Fly woe ~ oe definitely fibers not _ Cotton 7 ot chrysotile oo. ET rekon te 30 filter ' Electron > 83,100x 83,100x ~ -" Concentration Looks likechrysotile ~ oses Electron 31-32- vai! n#s 9 18,400x chrysotile notvery well intfr iallterElectron 18,334,03000xX 33,300X Perhaps ace . .../ , . 8 ae ot we wea ok aon vam aa Pr] * 6778- filter- eyi 33 **m2 >iPie Light Light en je " Perhaps ; very well well 7 wot! 7 resolved ... ares~ . ca eg . wet, MN on wee yh a nee Wn oe i a re a a 2? ee af e ae . ~ oy 37 filter Light 677 2 . . J oo ar b I or? 38 filter s^' Phase 677X ae * Be 9 sans aptedpennia filter filterfilter fe mint $ we Poe filter Samy 1376x 3. ooaCee 39 | en . Light 1376x 3. Glass fiber yay ~ ~ aioe TN bord a te Mee - . ee > 40 filter Phase 2,710x 2,710x ? Glass ea fiber - ee ha a REmt arr en ATT Sa ga em < 1 ~ z* ae es an a - CO EAA oa Ae f ee . ah ! 4 5 eon oe Phase Phase ore 1 doting a8ahs ase * . OO nies rae en ole te te * a : , Arete aMae.te1 > : ERE . whe Sem BAS yy fad : . vores a a . " a rn et . te vate aa yet ar een _s Pant eea* | ay re rors . Sane . . wad, + eae . hset- a + +e ae 2h, tantae ek timers cs = Pied Aer2e we - 4 re gat oo oer . os a Pag oe? . -_ * o- ie 7 ~ - - 7 a a. 2 2. xe * . ae ae ei vahrestak < : P. Fa . . . 1 Sage vo . met . ' . . RRR 4 , " Sam eB S ' ath tS yet feed ve oy . agg " . a , a . ; . . MICROGRAPH MAGNIFICATION . : SOAR . $ ~ ety + et ee eae int 7, LE ee ar peg , Og Nee' eta tpy y age re he wl COMMENT | 41 0 filter Phase '. - 1,376x 1,376x ra42-45 ay 42-45 Pre Ass ; we saga , e ve 42-45 """ filter Toe OT ee Ty oe eh , 168,20x 43,300X Electron ee } Ma ty ~t e fe - 168,200x 168,200x ~e , , 50 .- Filter - Phase it i 344X chrysotile Possibly some aay - " or Re wey a 4 wt fe we nweamaee, Chrysotile Con al ete at. SS 0 CTSrace glass a Phan tye tge oo ier a ey 'hee, ee 52 |. Filter " - Electron 14,890x 14,890x Animal hair - Trace chrysotile ~ tee 53-54 . Filter --..'-') Electron >. -7,040X + a . 18,400x 18,400x -3/ Main fiber probably not chrysotile though trace present . possibly .- : ert i : Filter Light . 59 Glass a> $24; fiber - oes Filter Phase 344x Glass eet . hae! . . Filter yea7 < fF. os ee : . . 344x 344x . af ey tng Phase het 2 4 Pa : oe : a s 3 if Be e fiber wep mor 97S Sees wg te 5 pe : ee Tt ce 7 at ds iy a , eS "ys oy : . roy Sey. i* k e Sanit "ee ae E osE s A, sna steal, We oan th Pel . pte rae. ge pear BT | 61-70 Filter vee trae Light Light ae oo tp at Phase ae on eee. 677X o a e 1,084x Som e glass fiber -- . pele tele ce cee galling . 1 a my 7 ty ENS, bates Oe tet i 0 BRI. NO At Oe Aen on famere nt a 71-76 Filter Electron 168,200X 168,200X - 111,200X 111,200X ha Possibly damaged chrysotile . ce eee, . * me docile docile docile docile . WWentroen ntroWenntron Wentron . 83,100x 83,100x Og | 7 77-81 Light Te Millipore Light 6TTX tas .82 ores . a Millipore vt,a Millipore wat a oy eine od ie 83,100x 7 Electron " cc 83 Millipore Electron 111,200X 111,200X ... Ne a c , , Possibly chrysotile oan . 8 Se - ~ Possibly damaged cae, chrysotile .Where is is + yt NA other material How concentrated _ Perhaps not chrysotile 84-88 Millipore Phase 1,376x 1,376x What fiber ~~ ty 89-91oer Millipore Millipore See a a v. O. mad a (he " Phe hponacn 92 a yMiellSipoire e irakirak Electron 4.2% 10,555x 10,555x 43,300X bowaas eek ets 83,100x wate: a on ae tSeee or . rg lt ee fhe aia : ihe abee t vq? ie m,.| Mera en abteen it atid sires 43,300X 83,100x fayeHb reget Electron 130,00X 1300,000X1300,000X Millipore - 7 a *( Trace chrysotile so hi fa a > eee Mm . temperature : Why ash at eae ate! wget m , m 4 ow : >> ab hoe ogat iso : CO A Dye tt ny eeht eee pee WP Se Ash temperature too high- PNa SERG. eye a: . fee ee . v Teese Ta lee . 1 - * . * . st as Mab. ATe " " " runs Sede 4 yeeniier, 0 ", " " ", " " ities > atte an to. , "AC - BAP aan - ay ye eg corde ey! pil 53, wit se nn Sge a wot tate de cathe aa on : = o Les a he eee ", " " aN gt Be a er 4 . st Pa vet Seuss . id pte ae - wy rae att PE db wit phils 4s gf he tog sO visor ot Bde we py aaa, See vey eos og ee eae . . , wed . fe . ee ; Laie UR ere Sey Beowbeer. a 3 eof e . rer wet t a / cen fi Te toa 4 UA a agenh, oned ort tb +3 . bee a Sigal :- o PR Ow oa ataared ah MEE ET OD OE ey FS IAT WED: baey OREN EatTRS ahd , SRN els Lt ee a i a oree oy mre ue ym Fat. ee ": . yee a Ne er * > > < de op e . ie, I . vA . ae, wn Fo ear se, rv weer LR . qs . - .frousart wanes igs . Sate Ot uN ye . bee, preer gt aes CTE IAG M8 . Tete r ere ee ee ee ee eee kk, . < . . SO e . oe we oe ~a a ue se 2 7 . eo, : . a a 7 . SC o are a m, LEONE er eee BD BD BD BD BD eee gtr toe ap aN Tay Rar avg ot ve {phone ee GS sy ye an wth oe POS tTe neefi2, cent ATTACHMENT poe ee cee een . megs te:a wie erret eget NeeH tte s*up . Oe dee eat Thay tsi cere ene . as BOan * A . a rn : : . 7 ze . . . .,*> ^ COMMENTS - 7 ' a GEORGE REIMSCHUSSEL a ~ = Vo A a TA OP a : : o an ee eee Cs To - MS pe ae Se Se ely, 3 . . ar ot tots aa iy , : : , os . 4 . | ner Introduction Page 2 Amosite Pe. ie yh Foes - and crocidolite fibers are . labelled though they are Manville fibers These were = a t l+os... obtained from Manville but obviously not produced by us rn ' ^' . oe to. \ . . * . . (6 26 ou 4: ber swe ost FIGURE TITLE MICROGRAPH MAGNIFICATION ~- COMMENT an wae? at aR . vt es 7) accoR ? watertoip d : aA atara-) het Sern Chrysotile Light on)ie : tans a 12 vie 12 are Chrysotile ; Chryswotile eet Chrysotile Ont Oo Sn DO Se Seon 677X _ ie Seems very grade eage os Lee ee, it fe appearanceas 18,400x18,400x Hassame ae ~ CARLY SEED MS MO oS, treated short fiber for 3 fiber .. gees Waring Blendor vt ee te fae sorts wae : os Ra at: 16 ee Chrysotile re Electron : - 7 Kamit beak ey ' MEA ees vm ... ... ... ... ... ce aPrey , tree wh tese . 111,200X , . Snes a retatede . Looks more like our chrysotile which . has calcined 700 Oy et . ee ey been ; sample | - 1 for hr ge or . ta gh eee gt . 4 wee ea 30 filter Electron 83,100x Seems like a lot of fiber .33-35 filter - 12-1 ree ne eM er Light Phase des 677X Fibers are too large for chrysotile at eel Viren aereaier4this magnification , eee tant tae 44 so : filter 10 El*ectron 43,300x 43,300x Does look like chrysotile|"vaeoar7? e. e Feet 7 59-60 59-60 Oe Fil2te Po r Light Filter Light 7" 344x So Lat etn 82 Millipore Electron . 83,100x 83,100x HasChrysotile appearancebut* dT chrysotile magnification is too low . ao Appears more like treated chrysotile . . ~i. 92 ae Millipore ep m. . : . aa woe - Nat ae MilliporeMillipore Mil ipore ee. ElecEletctrorn on Electron 395 Sa _ 3 ~, - vege ws ae a . " ? ! vey an s * ". ahey mente ary her tae, * to . 300,000x` like chrysotile 300,000x` look 300,000x` 300,000x` ; 300,000x` 300,000x` DoeDsoesnotnotnot cee sey OE LT, cee ee f| idesety eA PSU wane : ot . * -o4 n eu. . vt aa thy we a an tareeOay ; PING ae ema ea 5 * oh Foster Paty lta aecS ~ - OO ate ws, ; + ~ v . eee Bw ome - . - A > dae . . . ~ t ~ aa est hae Te . y a ~ OK . : reser . oan ae ee : st ek ea a . ne aT eeentemtne as . cern a oe cranes aera ms ne erate em de 5g ee ee reertratomgrer ae . ee - eos mt thorn OU ated by ernssrih dee elon eh TA ee whe ot om? ae ge # . te ge ar ee a er : ea, 7 : ce eo , ndngaa saan ete ", eon Wate t MST wa te avy Me 3 eras Sard ean. Be hang wrpanrne Te as Larenfend Ven" od . me we Frat BM 408%., whe amg ri a ae A a we a aoe wr om an Oo 4 Boman aaringincet b im able . ote? wa va Cg . ee . ET : - wa whe gs a: ge pay Oae e ern? fae Sere ~ RETR Ee CST AM le BT ae PE ttyl epee spindle we igeni eens SMe tgp oo NODA LA -, ee tS mee age onder la pgh ey SR Tigo C. B. Burnett - GHQ H. M. Ball ---- GHQ J. B. Jobe - DHQ K. V. Lindell - Asbestos A. B. Marchant - GHQ A. C. Smith Ivan Sabourin F. J. Solon Jr. - GUQ W. L. VanDerbeek Dr. G. W. Wright - GHQ 1500 REPORT OF MEETING ENVIRONMENTAL CONTROL MAY 19 1969 SUBCOMMITTEE c omental Control Department 1740A 1740A 1740A Research & Engineering Center June 4 1969 GENERALOFFICE OFFICE , | GENERAL 6,89 6,896,89 6,89 ; OF OF THE COUNSEL Attending this meeting were W. L. Vanderbeek K. V. Lindell H. M. Jackson G. L. Swallow Dr. G. W. Wright Chairman The agenda as meeting issued on April 28 1969 copy attached was followed for the I. The completed Manville Asbestos Textile Plant membrane filter personal air sampling results were presented and discussed It was pointed out that only 10 of 89 stations were below the M 6.0 fibers per cc It was established that 33 stations were over TLV of 12 fibers per cc principally in the Spinning and Twisting TLV of the ACGIH Departments The presentation included a comparison of the new M data with USPHS data taken by the same method and a comparison of the new M data with 1968 M data taken agreement with by the impinger USPHS results method The new The data new data were in good general slowed conditions to be worse with respect to the new TLV than they had formerly appeared based on the impinger method and the old TLV The committee requested that the above of June 16 together with similar data data be provided for the Policy Meeting taken in the Manville Asbestos Shingle Department and the Marshville Plant of the above are attached to these Minutes Spread sheets covering each H. M. Jackson proposed that the Subcommittee submit a recommendation to the Policy Committee concerning use of respirators in the Manville Textile shops The Subcommittee's consensus was that the recommendation should call for the use of approved respirators at stations with a fiber concentration over 12.0 fibers per G. L. Swallow cc The details are to be worked out by H. M. Jackson and REPORT OF MEETING ENVIRONMENTAL ENVIRONMENTAL CONTROL SUBCOMMITTEE MAY 19 1969 2- June 4 1969 Dr. Wright asked if it could be established whether the A Building data represented good or bad operations in the opinion of plant supervisory people The answer was negative based on inquiries already already made to the Plant It was agreed that in future Manager surveys the Industrial Hygienist would check at least daily with plant supervisory people and note on the data sheets whether plant conditions were considered normal or abnormal Dr. Wright inquired whether the basic normal normal air flow patterns in A were known It was stated that such data were not presently Building available G. L. Swallow agreed to see that this information is obtained G. 1. Swallow presented and discussed the Bench Mark samples which are being taken to establish a correlation between the old and new methods of sampling for asbestos dust concentrations These are simultaneous station samples taken at representative locations in each building and plant surveyed He pointed out that the relationship between counts by the old and new method would necessarily vary with the process samp For this correlation can be established However correlations for can and will be established by the above technique reason no general specific situations Modified sampling schedules which have been established of problems in the Textile operations were discussed as to expedite follows correction A. Special Industrial Hygiene Surveys in the Manville Textile operation have top priority These surveys are being made in close cooperation with the are the Packings and Friction Materials Division and plant people They for the purpose of isolating specific fiber dust sources and checking effectiveness of changes made to equipment and process E. J. Bulava's letter of May 22 to J. A. Krochta is attached showing the results of the first special survey The times per year robin schedule for Marshville Textiles Shops is not being followed noted above are being done instead surveys at Manville and Special surveys as C. The first Marshville Industrial Hygiene Survey using the membrane filter technique has been completed In accordance with B above additional surveys will be in response to Division requests to check specific problems or to recheck for effectiveness of correcticovrrecetive measures ) The Asbestos Plant Textile Department will be surveyed twice in 1969 II Results of ambient air sampling at Manville Plant locations downwind of the Textile Plant and downwind of the Pipe Plant showed a range of 0.04 to 0.14 fibers per cc The average count was 0.07 fibers per cc No significant difference existed between the Textile Plant and Pipe Plant locations * REPORT OF MELT BG ENVIRONMENTAL CONTROL SUBCOMMITTSUBECOMMEITTEE MAY 19 1969 -3- June 4 1969 II Cont'd Electron microscope studies on two of the Textile Plant Plant of 3.30 gms of fiber in a hour sample and 3.67 samples gave results gms in a 40.5 sample Based on an assumed average fiber of 1 x ... 10 M , the calculated equivalent fiber counts are 0.062 and 0.038 fibers per cc A discussion of the in the following data and ambient sampling program program followed and resulted A. It was agreed that there has been sufficient sampling done on Manville Plant premises Sampling downwind of the Manville dump should be done next Dr. Wright suggested that ambient sampling should be done for short period simulating conditions at Manville Plant twenty years ago The Jeffrey ambient sampling schedule was presented Sampling on Plant and Mine properties will is received June 1969 at large K. V. Lindell proceed as This will soon as the be followed Bausch Bausch and Lomb microscope by sampling in the community suggested using the roof of the Iroquois Club and supervisory employees property as sampling sites III Engineering Drawings costs and dust counts for asbestos bag opening stations comparing the Glove Box in the Manville Textile Shop with the Hooded Shelftype in the Asbestos Shingle Shop were reviewed Station samples showed fiber counts of 4.4 and 1.7 fibers per cc respectively at the Glove Box and Hooded In discussion of the data it was agreed that A. Dust counts will be made at the Glove Box when the rest of the Textile operation is down in order to eliminate the effect of ambient air fiber concentration B. Modifications will be made to the Hooded Shelf bag opening station to overcome some observed fiber spillage with the objective of improving performance to the point where it can become the M standard opening method rather than the Glove Box It was pointed out that in answer to customer inquiries the Environmental Control Department is recommending the HoodedShelf Bag Opening Station rather than the Glove Box chiefly because of relative cost RIFOLIRIFOLI OP MEETINMEEG TING ENVIRONMENTAL CONTROL JUNE 4 1969 SUBCOMITTEE SUBCOMITTEE -4- June 4 1969 IV The new Environmental Environmental were discussed Control Industrial Hygiene Survey reporting methods The newly adopted Occupational Environmental Environmental for Division reporting and quarterly updating each Industrial Hygiene Hygiene Station over TLV Control Status Report provides of action being taken to correct The the Occupational Environmental Control - Open Appropriations level of expenditures to correct environmental problems on Division basis report shows a Plant and Summaries of the above are incorporated in the Quarterly Environmental Control Report Results of surveys are now being reviewed with Plant Managers before the Industrial Hygienists leave the plant location Final results in writing of Noise and Vapor Surveys are given to the Plant Manager at that time Dust Survey results are sent to the Plant Manager directly from the Area Industrial Hygiene the wait for final Laboratory as soon as counts are completed eliminating notification and return of the Permanent Record Record Books The merits of removing the Industrial Hygiene Permanent Record Books from the plants and filing them in the Research and Engineering Center were reviewed H. M. Jackson recommended and the committee agreed that no decision should be made on this Industrial Relations Department pending further consideration by the V. G L. Swallow reported on the status of programs for correction of asphalt saturator emissions at Manville Fort Worth Madison and Waukegan Briefly stated Manville Engineering Project 73,400 for a Goldfield filter is approved State of New Jersey has expressed verbal agreement c Expect unit to be operative in late 1969 An application for lances from existing ordinance has been submitted B. To satisfy State and Local authorities we will have to start installation of control equipment by January 1970 and complete by June 30 1970 Le thes To auh ded badly EXV RONMENTAL CONTROL MAY 19 1969 SUBCOMMITTEE SUBCOMMITTEE SUBCOMMITTEE -5- June 4 1969 Madison and Waukegan A. We must file with the State of Illinois by August 15 1969 an Air Contamination Emission Reduction Program B. The program must show our plans and schedule for completion C. To satisfy the State we must be in control by a date agreeable to both parties probably December 1971 Dr. Wright suggested and the committee would be taken at the emission from the becomes operative in Manville agreed that asbestos dust counts Goldfield filter when it . EM / eF ms i} / Jf ae G. L. Swallow Acting ENVIRONMENTAL CONTROL a Secretary SUBCOMMITTEE Attach CC H. M. File C Jackson - DIQ April 28 1969 Environmental Agenda Agenda Control Subcommittee May 19 1969 Meeting Results of personal air sampling Manville Asbestos Textile Plant membrane filter program at the II Results to date in the ambient community air sampling program for asbestos fiber This program was carried on at Manville Plant III Asbestos fiber bag opening methods IV Review of reporting new Environmental techniques Control Industrial Hygiene Survey V. Air and water pollution problems at M plants ~~ . CONFIDENTIAL C. B. Burnett - GHQ H. M. Ball - GHO J. B. Jobe - DHQ K. V. Lindell - Asbestos A. B. Marchant - GHQ A. C. Smith Ivan Sabourin F. J. Solon Jr. - GHQ W. L. VanDerbeek Dr. G. W. Wright 1500 RLPORT OF MEETING ENVIRONMENTAL CONTROL JULY 14 1969 SUBCOMMITTEE tan 1106 Environmental Control Department Research & Engineering Center July 31 1969 1 EngKinering S \ G469 G469 OFFICE OF THIE GENERAL COUNSEL Attending this meeting were 1. M. Jackson K. V. Lindell Dr. G. W. Wright E. M. Fenner The agenda as issued on July 23 1969 Attachment 1 was followed for this meeting 1 Special Dust Surveys - Manville Asbestos Textile Plant Included in the special dust surveys taken during the past two months at Manville Asbestos Textile Plant were a Comparative dust studies on two cards with and without specific dust control equipment b. Evaluation of the return air from the fly fiber dust collector Results of these two surveys are detailed in Attachment 2 The card study indicated a considerable improvement in dust levels on a card equipped with shaft seals and the addition of shaft seals showed this one test is not sufficient to hoods Another card modified only by considerably less improvement However determine the trend The installation of shaft seals on all cards is now the entire card room is underway week of August 4 complete and Results will a sampling program covering be available during the The low dust levels in the return air from the fly fiber dust collector were confirmed by readings taken by representatives of DPE using the Sinclair Phoenix photometer The photometer probe was inserted into the return air duct prior to fan start the air quality in the duct immediately photometer reading was near zero This As soon as the improved until indicates that fans in a were started few moments the the return air was much cleaner than the ambient air in the duct During the course of the REPORT OF MEETING MEETING PAYTRONMENTAL CONTROL JULY 14 1969 SUBCOMMITTEE SUBCOMMITTEE ~?- July 31 1969 test the probe was removed from the duct in order to sample the ambient __. air on the rooftop This air was considerably dirtier than the return air being about the equivalent of the initial ambient air sample The membrane filter sampling procedure will be repeated four more times At the conclusion of the discussion on conditions conditions in Manville Asbestos Textile Plant Dr. Wright suggested that dust count data be obtained on one card operator over a full 8 hour shift of 90 minute samples This sampling program results will be available the week of August This to be done by a series was completed on July 29 and 4 1969 2 Ambient Community Air Sampling During the past month ambient air samples were taken at the dump at Jeffrey Mine and in the town of Asbestos Results are detailed in Attachment 3 Manville of these Plant surveys Attachment 4 a map of the town of Asbestos shows the sampling locations there Please note the high count obtained at location 3 Jeffrey 1 Gate Entrance to Mill 4 This sampling program will continue at Locations 1 2 and 3. Additional locations may be added within the town of Asbestos K. V. Lindell suggested also that samples be taken adjacent to the Jeffrey Tailings and Waste dump This will be done Photomicrographs of are attached to Mr. bundles the dust samples taken on VanDerbeck's copy of this the roof report of the Iroquois Club Note large fiber One 14 hour sample was taken at the Manville Dump approximately downwind from the active dumping area Additional samples will at the Dump as follows 200 feet be taken a a b c Personal Personal Personal samp saml plee on dozd er ozer operaotop r eraopt erator or Identical to previous sample just described Sampling point approximately mile further downwind town of Manville toward the We have arranged to take samples on the roof of a building at the Manville Borough Waste Treatment Plant The prevailing winds pass over Manville Plant in the direction of this sampling location 3 Fiber Feed Station Staion Station Dust feed counts taken on the original station in H Building were installation of a hooded 1.7 fibers per cc shelf fiber In the May 19 1969 meeting of the Environmental Control Subcommittee it was suggested that this unit might be made the basic standard for future and revised asbestos fiber bag opening and feed stations Committee members recommended certain changes to the hood The modified hood is shown on DPE Dating 23758-1 copy attache REPORT OF MEETING -3- ENY RONMENTAL CONTROL SUBCOMMITTEE SUBCOMMITTEE JULY 14 1969 July 31 1969 The revisions were not a success Dust counts increased to a maximum of ~ of 4.1 fibers per cc from their previous level of 1.7 fibers per cc The increase resulted from a kickback of dust from the breaker blades drifting up through the grating for a man to slit the back edge bag support It was found to be impossible of a bag positioned properly on the grating shelf because of Interference between his arms and the top front edge of the hood The hood has again been modified as follows "" | a A solid plate was installed over the front of the bag support and the the grating front of The 3 inch gap between the hood was maintained b The top curtain front edge of the hood was hung that would not impede cut the back and a heavy operator's arms flexible Pictures of the hood as originally and finally modified are attached to W. L. VanDerbeek's copy of this report Dust counts taken after the final modifications were 2.0 fibers per cc It is believed that when the operator becomes more familiar with the operation the dust counts will drop further possibly into the area of 1.5 fibers per cc Since fiber and because feeding with the hood has this hood has become a minimal hazard operation a relatively low cost of manufacture 800 to 1,500 assuming dust collection facilities are available it is recommended that this design become the Manville basic standard Unloading of Box Cars - Asbestos Fiber and Celite Eight box cars containing asbestos fiber and two box cars containing Celite were examined upon arrival at Manville Plant Dust counts were taken at all fiber cors and at one Celite car during unloading and counts were made during the period of May 16 1969 Results of the counts are tabulated in Attachment 6 These examinations to July 11 1969 Similar dust counts were made during fiber car unloading at Waukegan and Denison Plants Results of these counts are also tabulated on Attachment 6 Photographs ears during takebny our the Manville this report Industrial survey are Hygienists showing the condition of the attached to Mr. VanDerbeek's copy of Respirator Program The Respirator Program was discussed briefly The major point was the confirmation of a previous decision that in asbestos fiber dust locations the criteria for determining whether or not respirators are required would be the ACGIH Threshold Limit Value of 12 fibers per cc REPORT OF MLETIH MLETIH -4- ENVIRONMENTAL CONTROL SUBCOMMITTEESUBCOMITE SUBCOMMITTEE JULY 14 1969 July 31 1969 Industrial Hygiene Permanent Record Books It was the decision of the Environmental Control Subcommittee that we recommend to the Policy Committee that the Industrial Hygiene Permanent Record Books be maintained in the Environmental Control office at the Research and Engineering Center Sofformation in Finderne Instead of at each plant Sofformation Sofformation furnished the Plant Honagers after each survey would consist consist of the current results at all stations with notations indicating the previous years that stations had been over TLV There was a further recommendation that this be at the program implemented gradually completion of future surveys after approval of this procedure The program probably could be fully implemented by the end of the first quarter of 1970 Air and Water Pollution The only item discussed was progress on Greco filter at Manville Roofing Plant the installation of the Goldfield- EMF ems Attach 7 CC 1. M. File C Jackson - DIQ E. M. Fenner Secretary ENVIRONMENTAL CONTROL SUBCOMMITTEE Attachment 1 July 3 1969 Environmental Agenda Control Subcommittee July 11 , 1960 Meeting Review of results of special dust surveys at the Manville Asbestos Textile Plant Review of results asbestos fiber at of initial ambient community air Manville Plant Dump Jeffrey Mine sampling for and in Asbestos Review of special dust sampling at modified H Building fiber feed station Review of special dust surveys taken during unloading of box cars containing asbestos fiber and Celite bags Review of Respirator Program 6 Final decision on policy concerning location of Industrial Hygiene Permanent Record Books Review of air and water pollution problems and corrective measures wuy ' tsus Manville Asbestos Textile Plant Special Dust Surveys Card Room Date Location Personal Station Remarks 6/28/69 5:00 A.M. 40 Card 7/3/69 5:00 A.M. 40 Card 7/3/69 10:00 A.M. 40 Card 8.5 3.9 9.9 7/4/69 5:00 A.M. 30 Card 7/8/69 5:00 A.M. 30 Card 12.6 11.1 12.0 3.3 5.7 15.1 10.4 Prior to modification No other cards operating Card cleaned and modified by the addition of shaft seals 7+ and hood No other cards operating Card modified as above Card room in normal production operation Card tender working a four card assignment Prior to modification No other cards operating Shaft seals installed No additional hoods No other cards operating 7/8/69 10:00 A.M. 30 Card 9.6 31.5 Card modified as noted above Card room in normal production operation Card tender working a four card assignment Note 6182 stock being run during all tests Return Air Test Return air from the fly fiber dust collector was sampled by means of a membrane filter holder supported in the mouth of the return air duct Time 6:00 A.M. Fibers per cc Over 5 microns 0.46 Remarks Dust collector fans started at 6:00 10:00 A.M 0.27 2:00 P.M. 6:30 P.M. 10:00 10:00 1.31 0.39 0.41 0.64 Environmental Control Department ! Research & Engineering Center October 2 1969 C. B. Burnett - GHQ H. M. Ball - GHQ J. B. Jobe - DHQ K. V. Lindell - Asbestos 1500 A. B. Marchant A. C. Smith GHQ Ivan Sabourin W. L. VanDerbeek Dr. G. W. - Wright GHQ REPORT OF MEETING wr ee SEPTEMBER 15 1969 Present at this meeting were H. M. Jackson K. V. Lindell W. L. VanDerbeek Dr. G. W. Wright E. M. Fenner The agenda as meeting issued on August 25 1969 Attachment 1 was followed for this 1 Bulletin On Environmental Control Standards The newly revised Executive Bulletin Standards was reviewed and modified 312-3 on Environmental Control The bulletin in its modified form was discussed at the General Managers Meeting held the last week in September The final bulletin incorporating changes recommended at the General Managers Meeting Attachment 2 is now being prepared for distribution 2 Industrial Hygiene Resurvey - Manville Asbestos Textile Plant A report Attachment 3 comparing the August resurvey of Asbestos Textile Plant with the original membrane filter survey February 1969 was discussed Manville of 3 Ambient Air Sampling Program A data sheet Attachment 4 detailing the results of the ambient air sampling done since the issuance of the Environmental Control Department Report 10 dated September 1 1969 was reviewed It was recommended that the exposure of the bulldozer operator on the Jeffrey Tailings dump be measured Done and included in Attachment 4 -2- October 2 1969 Dr. Wright inquired if there might be asbestos fiber in the Millipore filter it was paper being used learned that the in our filter sampling program paper manufacturer Upon investigation previously had stated that no fiber was used in this paper and that analysis work performed at our Research Center confirmed his statement 4 Personal Air Sample - Full Shift The Eastern Area Industrial Hygiene Laboratory had recently sampled one Card Operator at Manville Asbestos Textile Plant for a total of 6 hours four minute samples Dr. Wright requested that this sampling procedure be repeated on a different operator at Manville Textiles At the suggestion of H. M. it was decided to sample the Card Room Stocker Jackson The results of these two sampling programs are shown on Attachment 5 Review of Membrane Personal Air Sampler Survey Program Results of the program to date were very briefly discussed At the conclusion of the discussion Dr. Wright recommended a sampling program at Jeffrey Mill using the membrane filter for sampling and both the light microscope the electron microscope for analysis of each sample It was decided and that 15 samples would be taken 5 in a high dust area above 12 cc 5 in medium dust area 6 - 12 cc and 5 in a low dust area below 6 cc The electron microscope analysis technique will be such that its results may be compared with similar sampling and analysis work done by Dr. Selikoff's group at Mt. Sinai Hospital 6 Air and Water Pollution Problems The status of our major air and water pollution problems is detailed in the Environmental Control Department Report 10 Three items not included in this report were discussed a A complaint was received from a close neighbor to Waterville 07 Plant concerning fiber glass microfibers being deposited on property where he is creating a real estate subdivision b A citation was received from the State of Colorado Department of Health notifying us that stack emissions at our Florence Plant exceeded State standards The Environmental Control Department is presently further investigating this situation c The Goldfield operation on the 4 fiber glass mat air filter is now Asphalt Saturator at the Manville in experimental Roofing Plant Attach ; CC H. H. 5 M. Jackson Lo - DHQ File & C SA, Panvier Panvier Panvier E. M. Fenner Secretary ENVIRONMENTAL CONTROL SUBCOMMITTEE Attachment 1 Proposed Proposed Proposed Agenda Agenda Agenda Environmental Environmental Environmental Environmental Control Control Control Subcommittee Subcomite Subcommittee Subcommittee 15 September September 15 September 1969 1969 of revised bulletin on Environmental Control Standards Results of 2. Results of total resurvey of Manville conducted conducted conducted during July and August 1969 5 ambient ambient ambient air sampling sampling sampling data data data to to determine fs personal personal air sampler survey on one Asbestos Textile employee for full full full full shift 5 . RReevievw iReviewew of air and water pollution pollution problems * Attachment 2 Sept. 16 1969 antsy EXECUTIVE BULLETIN 312-3 Rev. Occupational Environmental Control Standards as set forth in Executive Bulletin 312-3 dated dated 312-3 dated dated April 28 1968 have been reviewed and reaffirmed or revised based on experience These Standards are detailed below and for effective Occupational Environmental Control they should be adopted at all locations 1 Brooms and Shovels Brooms and shovels may be used for clean in areas and operations where their use does not create airborne toxic dust contamination in excess of tthe he Manville Threshold Limit Values Where the use of brooms and shovels does create such conditions vacuum cleaners central vacuum systems vacuum booster systems connected to existing dust collection systems and power sweepers shall be used instead Fiber Feeding Operations The following procedures shall be adopted at all fiber feeding stations a All asbestos fiber shall be supplied in clean tight bags on clean b New or revised dust control hoods shall be designed as shown on GPED Bag Drawing 23758-1 Station Station " Opening StatiStation on modified modified as required by the local application Bag disposal shall be accomplished without creating airborne fiber dust contamination ws. 3 Unloading of Toxic Bagged Materials The following procedures shall be used in unloading toxic bagged materials a Quality Control personnel shall inspect each shipment upon arrival to determine its condition and shall prepare a report on their findings b Spilled material shall be removed from all car pallet and bag surfaces before and during the unloading operation using suitable vacuum cleaning equipment c Torn bags shall be sealed with tape or covered with a slip bag as they are removed from the car Patched bags shall be placed on separate pallets and used immediately in the production operation d Personnel engaged in the unloading operation shall wear respirators whenever broken bags and loose material are encountered 4 Asbestos Fiber Empty Bag Disposal Jute fiber bags shall not be sold or reused within th plants They shall be encased in plastic or paper bags and buried in a land fill dump either by the plant or a contract hauler Used paper bags shall be encased in clean paper bags and used as furnish in the Paper Mill The filled clean bags may be baled or otherwise compacted under dust controlled conditions for easier handling Where used paper bags cannot be disposed of by this method they shall be handled in the same way as jute fiber bags 5 Pallet Cleaning Dirty pallets shall be cleaned before reuse They shall be vacuumed water booth washed in a suitable drainage area or air washed in a dust controlled boobtoothh Fiber Storage Whenever possible the principle of first in first out shall be applied out to the warehousing of bagged fiber In all cases fiber inventory should be turned over once a year Plastic covers shall be used over fiber stored in unlined jute bags 7 Containers Covers shall be used on all containers of asbestos fiber and other toxic dusty materials during transportation and storage 8 Dust Control Systems New or rebuilt dust control systems must meet the following criteria a They must be engineered to maintain dust levels below the applicable Manville Threshold Limit Value for example 2 cc for asbestos fiber dusts and 0.2 Mg Mfor lead dusts b They must meet basic design specifications as developed by DPE to assure maximum efficiency and minimum maintenance and clean requirements They must be maintained adequately to insure operation at design effectiveness 9 Visible Dusts When visible dusts and chips do not create a hazardous condition periodic clean of accumulation of such dusts and chips will be included in plant housekeeping schedules and programs Frequency of clean will be determined by the requirement that accumulations must not create hazardous airborne dust concentrations and by Corporate Housekeeping Standards E.C. 200 Series - Manual of Standard Practices Vice W. L. President VanDerbeek for Production and Engineering FIBER DUST SURVEYS MANVILLE TEXTILES Operation Fiber Prep Carding Spinning Twisting Weaving Total No. No. Over 12 cc No. Over 6 cc A 10 B 10 A 16 A 15 A 8 A 22 2 22 A 22 B 22 35 13 5 13 2 16 1 10 8 - 8 15 20 11 18 5 21 0 - 13 A - Survey in Feb./Mar B - Survey in July 1969 1969 Attacament 4 AMBIENT AIR SAMPLING Jeffrey Station 7 - 1/8 mile downwind of the dumping operation on the Tailings Dump -- 16 hour sampling time Station 8 - East of Station 7 - 16 hour sampling time Samples collected on 0.8 micron pore size 37 mm diameter millipore filter using a personal air sampler pump at 2 LPM Station No. Date Total cc cc in Length 7 8/11 7 9/1 8 8/18 0.81 5.8 1.25 0.36 3.6 0.6 II II Scotch Plains 8 hour samples taken on the porch roof of G. L. Swallow's home in Scotch Plains Samples collected on 0.8 micron pore size 37 mm diameter Millipore filter using a personal air sampler pump at 2 LPM Date cc in Length 9/6 9/7 0.075 0.04 Electron microscope of asbestos fiber analysis of these samples Consequently some of the shows only a trace fibrous material in as noted under the light microscope was not asbestos almost nil the sample III Manville Borough A high volume air sample was collected on the grounds of the Manville Borough Waste Treatment Plant The sampling pump operated at 34 CFM for 25 hours Collecting medium was an 8 x 10 0.8 micron pore size Millipore filter cc75min The examination by light microscopy showed 0.55 cc75min cc75min length electron microscope analysis indicated that only % of the total ash than 0.01 cc were asbestos The or less Jeffrey Two membrane personal on the Tailings Dump Sample No. air samples were taken on the Bulldozer Operator Total Fibers cc Over 5,4 1 125.0 cc 46.6 cc 2 99.0 cc 30.7 cc Attachment 5 FULL SHIFT SAMPLING One Card 6 hours Room operator at Manville Asbestos Textile Plant four consecutive minute samples Results are was sampled as follows for 1 2 3 4 7.0 cc >than 5/1 in length 11 6.5 cc " 6.2 cc ot } 11 uot te 6.6 cc 21 # It The Card samples Room stocker Results are was sampled as follows for 4 hours three consecutive minute 1 2 20.6 cc than ... in length " 11 MT " Th 17.5 cc 3 1 27.0 cc 11 arose