Document mmddn6JzKaz3BnMqdaxeYEXMQ

~ }''~ - ~, // " .l l I. i ~\OSH R~CCM~ENDED PROCEDURES FOR ASBESTOS BRAKE AND CLUTCH SERVICING 1. All procedures perfqrmed in a restricted area of facility. Entrances posted with an asbestos exposure warning sign. 2. Respiratory protection during all servicing operations. MESA and NlOSH approved air purifying respirators. 3. Loose wear dust to be removed by well maintained shop vacuum. After vacuum cleaning, remaining material removed with water soaked rag. 4. All new lining grinding machines provided with local exhaust ventilation . . 5. All floor and equipment cleaning performed with high efficiency shop vacuum. 6. Vacuum cleaner bag and all other waste sealed in plastic bags and labeled asbestos warning label. FMSI 06103 .j TYPES OF FACILITIES PERFORMING AUTOMOTIVE BRAKE REPAIR tt Ht Lllil HU.Ui l GARAGE TYPE APPROXIMATE # FACILITIES PERCENTAGE OF BRAKE WORK PERFORMED ' Service Stations 195,000 N 50 ' Independent Garages New Car Shops 108,000 39,000 ('.) 30 18f') - .Fleet Shops 21,000 1-2 - - -- ----- --- -------- ------ NIO,SH Estimates That More Than 900,000 U.S. Workers Are Potentially Exposed To Brake Wear Oust .:'_;., ,, . ,, .;;, 1, ... ~:. ';. "T1 3: ~ 0 0) ~ 0,a:.. / _, .. ,,._,..- --,:--:.--<'":~- -- - 11 . ,,. __,.,. . .. . ---:-,-----.: , .. --. r SUMMARY 0F BRAKE REPAI R J 0BS F0R 1975 pfi lfrvlHJ ARY VEHICLE AND JOB TYPE MILL.I 0NS 0F WHEELS SERVICED Automobiles New Shoes Installed Relined Shoes Installed Disc Brake Pad Sets Re- ..... ... placed Trucks . Brakes Relined New Brakes Installed . - ---- ----------~- ~-~ 12. 7 38.3 16.9 7.4 2.5 ~-- ., 3: ~ 0en ..lo 0 U'l . .., SUMMARY OF FIBER EXPOSURES IN GARAGES AS DETER MI NED 8y 0 pTI cAL MI c R0s c 0py PRELtr~~INARY FIBER CONCENTRATION (FIBERS > 5)Jm/cc) EXPOSURE SUMMARY 'A GARAGE SURVEYED B cD E Mechanic's ExQosure Mean Daily TWA* Range of Daily TWA Values 0. 11 0. 13 o:0, 08+o , 0 . 11 +o 12 .~.0.15. 0. 12 0.05\-o DolO .0. 0 4+o -0-.-1--2 0 19 . 0:18 Garage General Air CQoceo:tca:tiQDS Mean Daily TWA Range of Daily TWA Values 0.07 ---- 0.09 ---- n.o5 ..,. _ _ _ 0 .. -0-.0-7- -0-.-0-4- Highest Peak Concentration Observed 0. 58,. -- 2.33 0.72 15.33 0. 16 *TWA = Time-weighted-average. NIOSH Recommended TWA = 0.10 fibers ?-5}Jm/cc -n -3en: / 0en ~ 0en  0 U lVIII: t\ I\ I U I I t~l..l\ ' - " ' ....,..._.._,. __ PRELIMIUARV RENEWING USED BRAKE AND CLUTCH ASSEMBLIES FIBER CONCENTRATION{ FIBERS >5. um/cc) RECEIVING BONDING CUTTING FACILITY &: & & CLEANING RIVETING GRINDING A MEAN CONCENTRATION 1. 1 0.6 1~ 1 RAf\GE 0.. 4-4.8 0.2-1.4 0.8-1.6 II SAtJ.PLES ( ) . ( 15) (20) ( 6) .B MEAN CONCENTRATION 4. 0 . 2.7 5.0 RANGE 1.0-7.6 1.1-5.8 1.5-9.3 II SAMPLES ( ) ( 5 ) ( 6) ( 6) c UEAN CONCENTRATION RANGE . 1. 3 1.2-1.. 3 . . 0.8 ------ 0.6-1.3 , #__s A~Mf_L_S_~-- (__)~- --~----~- ( 2) - .- . ... ('2)_____ NIOSH Recommended Standard = 0.10 fibers ~5~m/cc INSPECTION & PACKAGING 0:7 6.8-1.1 ( 4') ------ ------ I g"T1 I -en 0 0) ..a. .0..., I ~ SUMMARY OF ASBESTOS FIBER EXPOSURES IN FRICTION PRODUCT -~PRODUCTION L~ ::1 _._...r.._..-. FACILITIES AS DETERMINED BY OPTICAL MICROSCOPY cc )F1 8ER G0NCENTRAT I 0N ( F I BERS > 5}J m/ - - - - --~ -- - - ~-- ---~--- 0- MIXING HOT PR~SS- GRINDING, BONDING I~SPECTION PLAt\T & lNG & CUTTING & & & NGFOR~.1.1 CURING DRILLING RIVETING PACKA~ING A MEAN GONG 0~7 RANGE 0.0- 2.5 # SAMPLES (29) .( ) I 0.6 0.0-308 ( 19 ) 0.8 0.0- 3.6 (39) 0.4 0.0-1.3 ( 9) 2. 3 0.0-10.3 (32) ., -3: C/) 0en ~ 0 QO ' ......,__ 8 MEAN GONG RANGE # SAMPLES () c MEAN GONG RANGE # SAMPLES () 0 MEAN CONC RA~GE ~~'MPLES 1. 7 0. 0- 8.. 4 (59) 9.9 1.5-18.4 ( 19) 0.8 0.1- 2.0 ( 5) 1. 2 0.2-7.0 (44) 5.2 2.7-7.4 ( 10) 1. 1 1.0-1.3 ( 2) 2.2 1 0 5 0.0-17.5 o.3-5.7 (72) (13) I.2 0.1- 4.6 (32) 6. 6 ' '1.1-22.1 . (40) 5. 1 0.7-11.1. ( 4) 20 3 0.4-20.5 ( 15 ) 0.2 ( 1) . 0.9 0.,1- 3.4 ( 6) -~SUMMARY OF ASBESTOS FIBER EXPOSURES IN FRICTION PRODUCT -~R'ODUCTION ._..,.....,. FACILITIES AS DETERMINED BY OPTICAL MICROSCOPY .--L2."..-: FIBER CONC~NTRATION (FIBER -,. 5)Jm/cc) I ' r..= 0... PLANT MIXING & HOT PRESS- GRINDING, BONDING I~SPECTION I lNG & CUTTING & & &I FOR~A ING CURING DRILLING RIVETING PACKAGING C" '- MEAN CONC RANGE # SAMPLES () 4. 5 0.6-16.2 ( 10) 18 0.3-3.7 .. 5. 8 0.6-14.4 ( 14 ) . ( 11 ) ------ - 2.9 0.5- 5.4 ( 7) .. F MEAN CONC 7. 1 RANGE 0.3-?7.5 # SAMPLES (23) () 11 0 9 0.1-3.6 (20) . 9.2 . . 0. 21 0.2-61.8 ------ (14) ( ~) . .19.0 0 5-105. Q. ( 14) . NI OSH Recommended T'NA = 0. 1 Fi be r..s ,. 5)Jm/ cc , esn: 0 Q) -a. 0 -CD ,# ,. _ .... ~~~A - 0 --~- '"----- C0MPARI S0N 0F AI R80RNE F I 8ER LENGTHS I N pUfLlMlfi AR y FRICTION PRODUCT OPERATIONS INDUSTRY AND OPERATION PRODUCT MFG. RAW MATERIAL MIXING PRODUCT FORMING Flt\ISHING GARAGE REPAIR OPERATIONS BRAKE MECHANIC GEOMETRIC MEAN JJM l .3 1. 4 1.8 <1.0 % OF FIBERS .,. 5JJM 9.8 9.2 17.2 <1 I i I -I "T1 -e3n: 0en ~ ~ 0 ,_ i - ::. .........~ ..... .. . ---.. ...' . . .. '. ~ .:~ -~ ~ - AIRBORNE PARTICULATES IN FRICTlO~ PRODUCT PRODUCTION FACILITY ..-. ~-.-,-i ..'. :,~-.: _._l..._....~....____ - ... - . . .~. . ; .... , ..~ ~ . . . ' ..,. ' .. . . ... - ..,.. ~ \ ) . . . . . .,... .. . - - .-- ----------~ PREL\MINARY. FMSI 06111 AIRBORNE PARTICULATE IN GARAGE PERFORMING BRAKE REPAIR ... ~ ~ l .-e .. "4t / ' \. _.I--- --------- . o~. -....... . .,; ~ .. ~ . lfL ~. PRELIr,q !NAAY fMS\ 06112 PnELU~lNAP.Y PRELIMINARY RESULTS OF GARAGE / LEAD EXPOSURE STUDIES LEAD . Peak Exposure Using Compres~ed Air For Cleaning Wear Oust Brake Reassembly ir._a r _~g_ ~~~G~~11~C~~_l___A .- ---- ---- - - - - - - - - - - - - CONCENTRATION 1Jg/m3 2,660* 20 10 - ... These values do .not represent time~weighted average exposur~s OSHA Proposed Lead .TWA = 100 }JQ/m3 .' I I s-n: -(/) 0m -a. -a. w , . SUMMARY OF LEAD EXPOSURES IN FRICTION PRODUCT PRODUCT ION FAG ILIT IES PREUfmfiARY LEAD CONCENTRATION (~g/m3) MIXING HOT PRESS- GRIN 0 11; G, BONDING lr\SPECTION PLAt\T & lNG & CUTTING & & & FOR~A ING CURING DRILLING RIVETING PACKAG.I NG A MEAN CONC 28 2 8 45 RANGE <1-89 <1-3 4-15 2-6 <1-8 # SAMPLES ( 4 ) () ( 4) (6) ( 2) ( 4) ' .. I B MEAN GONG 7 19 .. 4 4. 3 RANGE 2-11 # SAMPLES () . ( 6) . . 2-55 .. . 3-7 ( 4) . ( 6) 2-6 . ( 2) <1-5 ( 4) I I ! c MEAN GONG . 729 ' '8 6 RANGE 2-7000 3-16 1-11 "T1 3: SAMPLES (22)C/) # - ( )eCn) ---- ------ ( 4) ( 7) ~ ~ Proposed OSHA Lead TWA = 100 ~g/m3 _____ ... 6 .. 2-10 (2) .... I . 'I I ..,......, ~ ... ,. - . "- ::~~~-~~ ... :- . . ,-.-.~:.: ::.~~;-.:~ ' ...,,11-.-~.-,---:~--~ ............... SUMMARY OF LEAD EXPOSURES IN FACILITIES PREL\MlNARY. RENEWING USED BRAKE AND CLUTCH ASSEMBLIES LEAD CONCENTRATION (~g/m3) I I FACILITY RECEIVING BONDING CUTTING INSPECT ION , && & & CLEANING RIVETING GRINDING PACKAG I_NG A MEAN CONCENTRATION RANGE fl SAMPLES ( ) 187 60-700 ( 15 ) B MEAN CONCENTRATION 34 RANGE 6-80 # SAMPLES ( ) c ( 5) MEAN CONCENTRATION 3 RANGE ., # SA~PLES ( ) 2-4 ( 2) -3en: 0e......n.... OSHA Proposed TWA = 100 JJQ/m3 - c.n 79 77 ' 40-170 (20) 50-100 ( 6) . .. 9 . 16 2-41 . ( 6) 2-57 ( 5) 77 40-70 . ( 4) ------ ------ -- - ---- 3 2-4 .. ------ (2) I I I , r. ,, I oI ,."'.'t'' ..."" ... "/.'': _.-~~, ~~ '" I ' ''''''' :,:t:f,~'' .t ,,. .., . ,.... -,r\'''j "".:,~"1'' '"'"-'~~r; "' ~ ~ .--:- SUMMARY OF LEAD EXPOSURES IN FRICTION P~ELHv11NARY PRODUCT PRODUCTION FACILITIES. LEAD CONCENTRATIOK (~g/mJ) PLAt\T D MEAN GONG RANGE # SAMPLES () E MEAN CONC RANGE # SAMPLES (.) MIXING & F0Rt,1 ING 4 1-12 ( 4) 17 3-45 ( 4) HOT PRESS- GRINDING, BONDING lNG & .CUTTING & & CURING DRILLING RIVETING ' 3' 2-4 ( 3) 14 1-77 ( 6) <2 1-3 ' ( 4) 2 2-2 ( 3) '. 5 . <1-17 . (4) .. ------ F MEAN GONG 3 <1 1 ., RANGE 1-4 <1-1 1-2 3: # SAMPLES ( 2) { ( 4) ( 5) ~ e0n () ---_a. _a. en Proposed OSHA Lead TWA = 100 ~g/m~. ------ lt\SPECTION & PACKAG.I NG . ------- . 3 1-5 ( 4). 3 . <1-8 ( 4) .I I I I _.. .