Document 5Lr4wOQ85gD0R4a0wYV3ZO1nz

AIR SAMPLING i INDUSTRIAL HYGIENE SURVEY GENUINE PARTS COMPANY RAYLOe DIVISION ATLANTA. GEORGIA' Survey Conducted By: JOHN M. DEMENT PATRICK J. SHULER Report Prepared By: JOHN H. DEMENT PATRICK J. SHULER Environmental Investigations Branch -Division of Field Studies end Clinical Investigations NATIONAL institute for occupational safety c. health 108 % Broadway- Clnclnnati. Ohio ^5202 August. 1972 imncit tr _ national technical information seryice u.nrM<aui V r rnmit at* mat HWBUI0011378 ( V. PLACE VISITED : Rayloc 4200 Gordon Road AC linci, Georgia Phone /: 404-691-3700 DATE OF TRIP * : July 17-19. 1372 PERSONS MAKING TRIP : John M. Oenenc Patrick J. Shuler PERSONS CONTACTED : Mr. Edward Kipling. Mant Manager Mr. Thomas Damie], Production Manager PURPOSE OF TRIP ; To conduce an industrial hygiene survey and taka, asbestos and lead dusc samples In th plant. ii HWBUI0011379 I 1 i.vTaoat'crioH During the week of July 17-21. 1372. an industrial hygiene survey and air sampling for asbestos and lead dusts were conducted at the Rayloc Division of the Genuine Parts Company. Atlanta, Georgia, from the sample results and industrial hygiene survey, several conclusions can be drawn. The following paragraphs discuss plant operations and industrial hygiene practices along wtth conclusions and recommendations. DESCRIPTIOH.OF THE PLANT The plant is located west of Atlanta and employs approximately 5^0 pebo 1 e operating cn three shifts. Zf tr.es* HWBUI0011380 - Genu lrti:'P5/ts'Com|Mny "proY!3es.' consul tic ion to 4 si ijt Rayloc and their other divisions with any safety and industrial J- , > ........T.-5hygiene problems.' These services are 4 Iso provided by Sentry- Rayloc's Insurance company. The production manger is responsib i' for safety in Che pi ant and Is chairman of a five memfaer s,fety coraml ttee which meets each month. The union. Teamsters Local 528, Is a I so actively involved in the safety program in the plant. The medical program.consists of local physician retained- -V as a part-time, consul.tant, and-workers era lnd,,iri..:f Irsc.vaid-iwho^--^ft; are always In the...p:lanci-..-A preremployment phys'Ica'V 1 s..g ivenlo* which Includes a "Chest- X-ray, . and-blood and'urine-analysis. -i`fj Ho pulmonary funct ion tests or further phys ical; examinat iens-'a re ,' 3rven- *' "'1 * v. .* ' * .*w .V*"*-,``,.''t*sss0^(2s}, '. 'Jr. \ > --iraMKft f K;;&' -ir`r.-mi HWBUI0011381 ....................... ................... 3' - ' ' > *. *vt :*s.i'*:* * . - . * ' .-..VAn>^:V'5S_____ A. Brake Shoe Helloing '. The used brake assemblies are first 'sorted accord ing^co' ` size. The oU worn linings are removed next. Riveted i In'fhgs' *-> are sheared off and bonded linings are burned off. Next' thi'v'1' shoes are degreased by heat if necessary, then cleaned in a : "Vheelibraeor" which.si high velocity steel shoe to abrade the surfaces. The shoes are then dipped In a corrosion inhibitor and straightened If needed. Next, the new.-} in ingafe are either..riveted or are bonded, to the shoe Al.I- r.ei in'edv:"" assembl ies .are then- surface ground'.to provide -the-correct .................. " ' X; radius of..curvature. . The finished products are given a 'ft . v inspection and packed for . sh ipment. ' ''' "t.; ***--- 8. Clutch Oise Relining HWBUI0011382  -j " ' . - .< ,, ri':wjuSr&r'i were; the only areas u?ing these materials.. Ho other potential exposures were noticed in the rest of the'plant with exception to toluene In the scarcer rebuilding area. Personal samples -' were cotlecced on workers ac each of the steps in the process of rellning brakes and clutches In order to determine which Jobs, If any, pose potential healCh problems Samples were collected on a HIM Ipore. Type AA cellulose ' ' s/gf-Xi ester membrane filter ac a calibrated flow of 1.7. I l cers/minuce.: :vii?: . ` -- -2-AaS? The type of:pump-used was .a HSA. permissible personal air saittplerl .':L .r ;. ' '.-if Anblfsis'-for'isbestos fibers" Was done1 by-countihg-Vf lbersf; V''.' : ' .... ...... . 0r. ... .... - .. .......v;.i . `V;*/ r greater than 5 iior In' length 'undir a. phis'f coritH'sc miorpscop`<;> -$*.*' *3*. at.*, magrtf fIcatipnr.of ft30xi The-Jurount' of .leait was'' de'temaiWe'd^-^\ " >/ ?.";fep-v =%/. j-p. '`An* f Wuitrj a^hyg i trie yyy.yywg&y ^ a! s^(c n v rrife HWBUI0011383 ...*** w t. Exoosure to asbestos dust during brake and\ei '..*r*w;yv5 "-v-i refining. 'V' t. Lead exposure from lining materials during brake and clutch re I(ning. ' 3. Toluene exposure during insulation coating of various armatures. ' * 'V 1- . i .s**- * - .K Measurements were made of both asbestos dust and lead expaiur-`^': r . V**,*.' * In each of the friction operation, ho measuremerits.of s.oIveii.t exposure were made. . .' V ' ' ,: Personal Protect ion ~ ... ` I-. "v. Safety glasses'are- required in certain areas of the plan t`i'SS'`4i.':S' Approximately 40t of the' plant employees wear safety glasses.; Respirators are not required I nV production opera cIons; -ho&cvv'ri^u'X'r^iSri HWBUI0011384 *. -i"&vXj...'`/V-v:-<r-;*v4.O5,- * >>' ' 3?lf8SiP'' * . * {'Vri .'ii-C.;* ; k 1 S.U'tN 'f?; 3^*'. Figure 5 shew* a layout of the friction products plane along with locations of cftc dusc collectors ani t^r'. . 'fVC*fc/iavy-Rjf-i-*:. SS> : . '`."'Vi'A.iv***` respective capacities* r. ; v^'- , Velocity measurements at the entrance to the gi-iedir^hoods " showed velocities ranging from 600 fpm to 1100 fpm. Ho ventilation is provided at the clutch derivecing operation; Housekeeping room vacuum sweepers on a continual basis-. Compressed'^il'i^^v'^'^S?^^'-''` " -4 ' ' >7-'- ' iV: for cleaning but all outlets have low pressure nozzles *a* * . ' R1 e~sult-s and. D..i.s..c. tussion ; .-= r -fki ....... .-Th results, o/..this survey'are ipi-esenWd^inSMfiesi^ present jtandard for as' m.'.K-i.-ircn'lw .i.Wkilfes'i.Vi Regfs.te.r on June. " ; ` [ " * - - .ir.-- "The S-hotTrl- HWBUI0011385 ;:SSiW- - /-v,' ' 3 ' ................. >ijpS :r.T-V f '''."-X- ' ' ` XE^tweshS'r-J '."' . /;. '. -XV~ip: be exposed at any tin* to ai rtorn asbestos r-:1',/1".- X5?Ki?'X fibers in excess of ten fibers,..longer than five micrometers, per cubic centimeter of air." *' '* ' `-v,y :UV- ;.:/ On. July 7, 1976, a hex standard of 2,0 fibers greater than 5 micrometers in length per cubic centimeter of air will be effectIvo. XX Hone, of the <i5 samples. exceede|J the present standard fcru V-C-^^? asbestos.-the highest ;val^e'Jb'ei.hgv'ifi.S^f ibers'/intfibers.'--girei t . -.V **.*." - - " a than *5 micrometers, in I ength' per ;ni;l 1111 ter).. Therever'e~'or?Ty- three samples chat, excceded' the''future asbestos Standard of 2'.:0 ...VrS;- ' ;'V;'-.v/X;Xr.v=y> flbers/m!. All of these samples were taken bh person .'derivetihg Xfffi si- ,, - Surface < grinding, produced -the "Sjecoh'S''; hi ; \ '`\y\ik- its value'being :l.`i"V;?ibers/mi-;aj5S'l:^bth **, I - UT? a ' . - ' .&.ti&csgiS9;w HWBUI0011386 .. . . .... COKCLUS IONS' :ANO RECOHjlENOAT lOWS- '.j. ..1 .. Frofu the sample results and the industrial hygiene survey! the following conclusions and recoemendacions are made: I. There was no operation Chat had asbestos exposures in excess of the present standard of 5 fibers/ml. The only operation in excess of the future standard of 1.0 fibers/il was the removal, of old clutch facings by drilling. TMfi.-:, operation a I so had lead 'exposures in excess of the present*-' .... ' . . '-J'J, standard of 0.15 g/raJ. Particle size estimates of thW'rlead * : r . . ..s * fr:v particles has shown'that 80X of' the particles' were less ;tfian m. - > .. *-jf 3-5u ' 1 n diameter and would.therefore by respfrable. Duetto the high lead exposures local exhaust ventilation, should be added at ehse*drtils Immediately. HWBUI0011387 -' -;f3^fl^ere **s *'. decectabl-e `tlblu'ene'.'odbri'iyidi'!;re^i.of :fte|rvi'W area cure: dip'tank. Althougn this odor was present, It Vs 'highly possible that toluene concentrations are'well below the present ^ ' standard of .100 ppm (the odor threshold for toluene Is only 2.1 ppm). In any event, toluene concentrations should be determined for this area and local exhaust ventilation Installed I f levels are found excessive (>IOO ppm). '*&% - Due .to the- elevated: lead exposures- found In the', brake ' "'VlvsN - ' ` , , . shoe sorting operation and clutch-defivetlng operation,:blood lead levels stout'd be determined for wo liters in these' er^sv^-.'v* : . ' . u. .I.';* A.program,of periodic blood lead checks should be established.--: r'/-' HWBUI0011388 1. . Edwards, G.H. and J.R, Lynch, "The Method Used by che U.S. Public Health Service for Enumeration of Asbestos. Oust on Membrane Filters*1. Am- Occuo- Hyp.. 11:1-6 (1368). 2. Keenan, Robert G., seal., "The 'U.S.P.H.S.' . Method for Oeternrin ing Lead in Air and In Biological Material l". Am. Ind. Hyij. Assoc. Journal. 24:481-431 (135JT ' 3. Interoffice Report on Garage Lead Exposures, March 16, 1372. 1*. . . HWBUI0011389 HWBUI0011390 I h^-.'-'i`:.,.v-r%?^,. ,,^..i. r"'5'. V II TX3LZ Z RESULTS Cl SURVU AT RAIWC Ailtmtct, CtarfCa fuLy 17-13, 1371 * ` - '-' "VX* :<V ^VCf' .;* J.^.^'^. 7!^'^" " " ," ' / *;";-*^ .-. r'-.'-Vb'I> *?- f'*-:" !".-''V w JOB SWU l BrukA Stvss- Section Sore bid brake shoes Sort old brake shoes Oerlvlter. brake shoes Load-bid bonded shoes in oven. that riweves Load old bonded shoes in oven that removes Vheelabrator. brake shoes Wtee libra tor,, brake- shoes kheelabncor. brake shoes I .,:_ Wwaiiibraebr. . brake, shoes.. 'Ap'ply^adhes'Lve "to'J;ih.ing-\ `Aopl-f-; adhesive to-linings M Viter 'neioer" . Rlvlcer helper Rtvlder. ft: Wvttlir"' Mvttfr*. :yfy :'' ; -RliViSSif." **,&/ ~r-C-:, ' ... .*i.y!L'jiBeuy-j,, ' f-j- -.. Ining tnlng r M <5 37 .38 35 Z6 ...Z7 JS ...iJS, -.'13 v. .... comcewtratiom ASESSTQS FTSETtS 7ft*h&& afgsv sn. Lsngrsh ' 'i'.Bxr nl ' 1.0 o.jr. . 9.Z .o'. 11 '. ... 1.0 = 0.4 , 0;C6 ' . i-.-. ,;o;os 0.6 `'io.'o;..' '' " 0.7 o;7- o.l . v0;4: /lifejfesp !" ' ~ '0VS '' 0-S . . f-:\o'.5 ,i?' HWBUI0011391 JfliP': a-lZVJi ' *' *,; r'-.j -r??*V mi+**'-:. \>: - `"i?.v^->.' .V; -'jriV'i iisf. Hayloc tamo I a Aasul CJ A( Iicj, Caorg is fife 2 *-. f- '.*' . !,': f'rf* 'i ..... ' .' ..; . ',v`.... -.;s(Tic '.' \* *- '.i'i'**. *"*1s?vr. .v '*,' . .*; * v'-'?iVc*~ JOS Surfaea Crlndar Surface Grinder Suffae* CrindarInspactor. by grindar Inspector, by grindar Inspector, by grinder Inspector, final product Packer Packer CZsteeh facing S&ctrCon sample / OJ Ob 0! 02 OS 08 09 08 10 COHCEHTWTIOHS LSatSTVS rnrsc. ;=. H&rs >Jin -i, Ungih: Q Oar it. ' ry/tv'' . i.s 1.0 1.8 0.8 0.3 0.8 0.8 0.3 l;I 0.10 'O.0S.Q.Qf" <3.q6: 0.03 ; 0.07VV ,o.03:f a.03-' 0.07' tI Wheal adra tor, clutch facing* flatlyit clutch facing* (punch pr**> B/Ivlt clutch facings [drilling) Bari vie clutch facings (drilling) Barlwit clutch facings (drilling) Barlvlt clutch facing* (drilling) HIvI tar, clutch facing* Mvf Car, dutch facing* Packer clutch facings 28 j* 42 0.8 Bj9 . 2.8 . .. ' . -'"ii".15'3,fj 0.06 . i1.0V30?*:: 4J 33 4.8 . Jo.iS ' . 2.0 j: 0. 70 . f 32 0.6 . - ' 0.21 30 6.4 - ' o.a? >. 23 0.J- . .0.04 31. 0.2 ' 0.07 ' HWBUI0011392