Document nmEmjdwm23g9nE7NBdpqx3OOG

. >> w UZ&yftL k M Irrtsr Offlcs A3 General Service* a Mr. R. Veazey m Lock H. Crabtree ,W U Jure 19, 1573 |F. J. Dery JR. U. Obringer pT E. ffoth EH V*JT?V!'8M| m Subject: Asbestos ibw jr \ As you are aware ve engaged our Industrial Sygiiene Section to conduct severikl^pvirorjtental tests at Arizona Roving# Ground, and Mr. Henry Lick w offthatSection performed the necessary sampling and tests during the week of April 23, 1973* Included in the testing were samples of airborne asbSfec^dust generated while cleaning fMflclr.ferake linings and assemblies. *` We^H^rears^ceived a written report of the laboratory analysis tbich relates thita^^hough the WWL'b allcvable 5 fjfri ?sper cubic cen^dB^r was nci e>xeeded on a tide"weighted average^CBSKtwas an insjfince during m tk$o**tftsatiiere the "peakjLwaclmum of 10 fibres* per cubic Centimeter was exceeded, i M Paragraph 1910.93a of^$fi$*0HA lav cone atateajjhit the employe shall be notiftOflP^offSintration df asbestos that ex asbestos (&Bj attached) Iting if lar^is exposed peak levfl. It Is m requestedlthat the enalfflfo/Feter Was* be naSltt^ally notifled^bsing the at thgeapldye has been notified, one copy. ne of your>Jgrlver^Mechanlcs, tification cfcSPr After be placed in his Medical Record and the original returned to th vith employe notification 1 *" of brakes and components paired that all cleaning ressed air be discontinued di3it removal from brake assemblies is lo be done by use of a "shop" kilable from Sears Roebuck and Company, Craftsman U.5-gallon r*dutty Industrial Vac vlth dolly anfeg^gpCle, No. 99KT 17S31N. lory set, ftut No. 9KP 16973, must^e provided to afford proper and removal of dusts. Dae entia^cost is slightly less than $100.00. b*.* been thoroughly checked IfflHNfrfectiveneas and is approved Lng of asbestos by Ihdustrl^MCIMte Section and General Services Safety Activity. The attached procedure muatf be followed when the unit is emptied and contents discarded. H0*N 2087 V r. M m m m m m * m m m a D. R. Veazey. -2- June 19 1973 Should it become necessary to "dust" or clean brakes prior to receipt of the vacuum unit, each, employe so Involved must wear an approved dust respiratorregardlesa of length of exposure t^asbestos dust. Minnesota Mining and Manufacturing respirator, Model*'8710, should be used for this purpose. *\4 Tour attention is directed to OSEA EferagSaph"1^10.93a (J) 1 through 6 of the attached Regulations concerning Medic^^pcaainations and Records. Vh^n full compliance with this paragrapJr^Eas^een met, as discussed by us Ain a recent telephone conversation,/please advise this office. rv j \* Ar.$th^pSQSviev of exposure to asbestos sWkgy^fill be made vithin six r raonctfs and annually thereafter. __ If there are any questions you may havftn^r^.if; ve can be of any further asaT^anc^, please contact us. - ns0 m 2038 V m M m m m *j m m SAJE OPERATING FROCECURE for EMPTYING AND DISPOSAL OF ASBESTOS CONT21TS ' FROM INDUSTRIAL 5CMJUTlTVUNirS ; When it becomes necessary to empty the asbestos-laden contents Uof an Industrial Vacuum Unit the toJg&riBg procedure shall be ' maintained. *^ ^proved dust respirators are tcoF^^bb^fvr^oo:ra by all persons engaged in emptying and dis?osa&*Qf materials from the shop vacuum unit. An approved respirator is Model No. 8710 available from 3M Company. pw*Wi'Arj .J r pB2?rTContent8 of the vacuum drum must-be vashed out by flushing vlth ^ater and allovlng slurry to flAftKthrough the drain hole at 'base o---f---u---n---i-t. f / per bag and cloth filter baga-^aust^be handled vith extreme J pare in order to keep dust to a minimum. 1 * Bags and asbestos-laden materi^^ana waste must be placed _ la-sealed impermeable bags or othfe^closed impermeable ""Containers tffg disposal. disposal TSElainers must $e cleanly and legibly labelled I Caution - if.if Asbestos Fibres - Avoid Creating pubt - Breathing ifebestosi Dust May Cause Serious Bo< of thiIf pireocceedd*ure is to unim used In afestos ^rork, and -condition.) to each ip vacuum .tained a legible r ?v m mii m I "V*. PREPARED BT TEE GHfEFAL SERVICES SAFETY ACTIVITY. ANY CHANGES OR MODIFICATIONS MUST RECEIVE THE APPROVAL OF THAT ACTIVITY. ' ` ' . 20S9 June 1973 . ... jsm RULES AND REGULATIONS Sx Aicxau* . Du*l BArt--~------ ttetatim 1*' Sau# Serif, notme or lUocK. *i`` Sana Sorlf. Ootnie or Block. pareirraoh. which indicates the em ploye^ own exposure to asbestos hbers. <3> 'i*?/ip<oyce notification. Any em ployee found to have been exposed at any time to airborne concentrations of asbes tos fibers in excess of theMUmts pre to the AMKi.Mil Rcervinry of t ^ OccunailunM Rftfcty ,, vJ`hT Director o( tOmuVXnTM'.;'% clous and medical eonsuit&r..,V* ".V^V- of them. and. upon the request or an 7-1 ptoyee or former employee, to i;a - nil m A raid arvutblo* Dual... Ouintt Wwr A*>ffuoa rroiccUT* " uoiuie. tonipmciu. Do Not Remain In \m U" CoUiie. GuJcaa Your Work It*- qul/^ II. Brrotmnc Aabeato* Dt 14 point Oothte. XJ5T 04 IUiATUOUk TO Tour Hwki ia. Spacing between lines shall be at least equal to tiieT*iSht bf the upper of any scribed in i>arngrapr$i of this secuon sluxll be notified liiwvTitiiif'of the expo sure as soon as practicable but not later Hum 5 days of the fihtUnc. The employee shall also be tlmelssootified- of the cor rective action being trken. (J> Medical exam,nations--(1) Gen eral. The employer shrll-tfrovide or make available at his coat, medftki examina tions relative to exposure to asbestos re quired by tills paragraph. % clan. Any pitycicion who ccuevTc'- i medical examination rcqu:r;q oy paragraph shall furnish to the er-.;j.o-t' of the examined rmpioyce all ;pc u-./cr million specifically rcquirca by "J-_ paragraph, and any other u'.edicai iz formation related to occupations; tx posure to asbestos fibers. S 1910.94 Ventilation. (a) Abrorfre blasting--a> Def.r.i two lines. . Spew? <2) Prcnlacnncis. The eayplovcr shall lions applicable to this paragraph --.; m i2> Cau*lonJdt>c7-<i> Labeling. Cau tion labelriiehall ba affixed to all raw materials.^mixtures, scrap. waste, debris, mid other* products continuing asbestos fibers. or toL^eir containers, except that no label U'fequjrcd yhcre asbestos fibers provide or make - .ahablcUO each of his employees, within 30 calendar days fol lowing his first/employment in an occupation exposed to Mrborne con centrations of asbottoti-fibers. a compre hensive medleal examination, which shall Abrasive. A solid substance usca in i. abrasive biostins operation. Ui> Abrastvc-bhutinp respirator. continuous flow air-line respirator cor. structcd so that it will cover the wearer head. neck, and shoulders to protect m.- have been modified jby a bonding agent, include, ax a minimum, a chest roent from rebounding abrasive. n coaunc. bttthefJdrrbther material so that during any reasonably foreseeable use. luntiimc. ai^^age, disposal, processmg. or transportation, no airborne concentre* genogram fpostcribKanter.or 14 x 17 inches), a history jr^licit symptom atology of rcspu^Torr^lseftsc. and pulmonary function t^tr* to include (Ul> Blast cleaning barrel. A console' enclosure which rotates on an axis. < which has an internal movinfitrcad tumble the parts, in order to ||fc 1 i Hons of asbestos'^fibers in excess of the forced vital capacity <FVC> and forced ous surfaces of the parts to Uiactio%) exposure UfnU* prescribed in paragraph expiratory volume at 1 second (FEV,..). an automatic blast spray. m ib) of this seettbn'will be released. (3) Annual examinations. On or be (lv) Blast cleaning room. A^Srnple 01 > Label specifications. The eautlon fore January 31. 197T. and at least an enclosure in whieh blasting labels requ^ed by subdivision tl) of this nually thereafter, every employer shall arc performed and where the operat subparagysplnhall be printed in letters provide, or makdiAV0Jiaj{f comprehen worts inside of the room to operate t of sufficient size and contrast as to be sive medical exanaqalrons to each of his blasting nosle and direct the flow of at i " ni * * t ** nreadily visible and legible. The label shall employees cngaced'TlWiccupaUons ex state: * posed to airborne concentrations of as 1_ Cactsow - bestos fibers. Sueh^prftXft examination Contains Asbestos Zibets h-aptuysastiag pum , Sreadiing Asbestos Dust May Caass. 4 Serious Bodily Harm shall Include. asgjTjninlmum. a chest 1 roentgenogram fcJWWMMLnterior 14 x 17 Inches). a history to elicit symptom- logy of respiratory disease, and pulmonary function tests to include (h) HdO&eepinp--(if Cleaning. AH forced vital capacity (FVO and forced abrasive material. >g (v) Blasting cabinet. Anr cncibro herethe operator stands outside a: ` t^e blasting nozzle tferotgftg pening fer openings -- the enclosure. (vi) Cfton air. Air of such punty th it will notpause harm or discomforiio dividual' if it is inhaled forscxUnB pMbf time. -f- external surfaces in any place of e _ expiratory voluaejmPf^tcond (FEVi.), (YU) Dust collector, a device or co: ment shall be maintained free ofvaccu _ (4) rermiatif(o/deployment. Th*m||pat|(m of devices for separating d auiattons of asbestos fibers if. with their employer shall provide, qr make avail- aftomOg air handled by -^iigga dispeniom*th*1drtrcuid be aa excessive able, within 30 (calendar d*y before or/ tcatilatfea system. concentration, f V Aafter tthe he0fit (viii) txhaust ventilation system. m (3) fVasU^dirposaL Asbestos wMfee^xAy employee ennn^TOan occupattoa^mtem^er removing contaminated scrap ytr^Vf*, container*, eqtn^ exposed to airborne congestretions of space, comprising tseaESQR ment, atad asbestos-contaminated doth asbestos fibers, a compaahensive medleal of the following elements (d> enelos- .C X *' 'L> IV C lng. consigned for disposal, which may produ^ in any Reasonably foreseeable examination whigm shah} include, aa a w.if.iwtttm 4 chestzqtflt&ognm (pos use, hxadUnratoroct. processing, dis terior-anterior 14 x *7 inches), a history posal. or tawortatlon airborne eoneen* to dldt symptamatplogylof respiratory (rations of asbestos fiber* in excess of the disease, and pjgBMBNUfunetlon tests exposure limUi^rescribed in paragraph" to include for^d vita^ cAPacUy (FVC) * (b) of jpKeettan shall be collected and a* ndJ forced" e~ xpira"tory vo'lftme' "at '1"seco"nd or hood, (b) duct work. (c> dust tjolle in* equipment, (d) exhausttemndL discharge stack. r (lx) Particulate-lllter respirator. air purifying respirator, commonly ferred to as a dust or a fume respire: which removes most of the dus or fu disposed of?fl*aied impermeable bags, or other doted, impermeable container*. ' U) JUcosiXusing--(.\) Bspcsurt rec- orda. a^^ggtlyer shall milnuin rec ords m any personal or environmental momtodgfertquired by this section. Rec- , ords shaUbp maintained for a period of st least 3 jflars gnd shall be made avail . kb! ioa nquest to the Assistant Secre- Ury oS3EUBOpr Occupational Safety I < *nd Wraith. theCtrector of the KaUonal ?5llttiU for Cteupatlonal Safety and Health, and to authorised representa- o of either. \p *. '(2) Employee access. Every employe* *d former employee shall have reason- (3) Recent jSamination*. No .medleal examination as required of any em ployee. If adequate records show that tha employee ngs beea/exomlned in ac cordance with thSfQffxgraph within the past 1-year period. (6) Afedfeoj/^ecords--(1) Ifolnfenonce. Eaplopre^Lemployecs examined pursuant to (tils paragraph shall cause to be maintalhLRSfflfil|Le and accurate records of atf'WnMlcil umlnadons. Records shall me retained by employer* for at least 20 year*. 01) Access. The contents of the rec ords of the medical examinations from the air passing through the der (x) Respirable dust. Airborne dust capable of passing through tha per respiratory system to reach lower lung passages. v, <xl) Rotary blast cleaning table, enclosure where the pieces to be dea axq positioned on a rotating table and passed automatically througn a terie bl^t spreyA (xll> Abreslos bloillnff* The fore application of an abrasive to a tur by poeumatle pressure, hydraulic g sura, or cemrirugal fares. - ^ <2) Dust hazards from abrasive b ing. (i) Abrasives and the sux `JiaPbaleiama*cccicneeeassd tubosyasnuybpreacraogrdorarpehquu(1iirr)eed*oftvosthbuies required by this paragraph shall be made available, for inspection .and copyax* coating* on the shatured and pulverued ouriag blA- : ''' * . v* fiV V** v ,* ona