Document Neo29y5y5OO2b0ozr86j42XdE

RULES AND REGULATIONS 22139 (b) Ail electronic device. (c) A switch actuated by a lever, rod. or plate,. Lhe latter to be placed on the `up" side'of the head pulley so as to Just clear a passing step. (il) Manual reset location. After the manlift has been slopped by a stop device It shall be necessary to reset the auto matic slop manually. The device shall be so located that a person resetting it shall have a clear view of both the "up" and 'down" runs of the manlift. It shall not be possible to reset the device from any step or platform. till> Cut-off point. The initial limit slop device shall function so that the manlift will be slopped before the loaded step has readied a point 24 inches above the top terminal landing. (lv) Electrical requirements, (a) Where such switches open lhe main motor circuit directly they shall be of the multipole type. (b) Where electronic devices are used they shall be so designed and Installed that failure will result In shutting off the power to the driving motor. (c) Where flammable vapors or dusts may be present ail electrical Installa tions shall be in accordance with the National Electrical Code. NFPA 70-1971; ANSI Cl--1971 (Rev. of 1963), require ments for such locations. <d) Unless of the oil-immersed type controller contacts carrying the main motor current shall be copper to carbon or equal, except where the circuit Is broken at two or more points simultaneously. (6) Emergency Stop--(i) General. An emergency stop means shall be provided. (ii) Location. This stop means shall be within easy reach of the ascending and descending runs of the belt. Oil) Operation. This stop means shall be so connected with the control lever or operating mechanism that it will cut off the power and apply the brake when pulled In the direction of travel. (lv) Rope. If rope is used. It shall be not less than three-eighths Inch In diameter. Wire rope, unless marlincovered, shall not be used. (7) Instruction and warning signs-- (1) Instruction signs at landings or belts. Signs of conspicuous and easiiy read style giving Instructions for the use of the manlift shall be posted at each landing or stenciled on the belt. () Such signs shall be of letters not less than 1 Inch In height and of a color having high contrast with the surface on which It Is stenciled or painted (white or yellow on black or black on white or gray). () The Instructions shall read ap proximately as follows: Face the Belt. Use the Handholds. To Stop--Pull Rope. (11) Top floor teaming sign and light. (a) At the top floor an Illuminated slim shall be displayed bearing the following wording; TOP FLOOR--GET OFF" Signs shall be In block letters not less than 2 inches In height, nils sign shall be located within easy view of an ascend ing passenger and not more than 2 feet above the top terminal landing. (b) In addition to the sign required by subdivision (a) of this subdivision, a red warning light of not less than 40watt rating shall be provided Immedi ately below the upper landing terminal and so located as to shine hi the passen ger's face. (Hi) Visitor Warning. A conspicuous sign having the following legend--AU THORIZED PERSONNEL ONLY--shall be displayed at each landing. The sign shall bo of block letters not less than 2 inches in height and shall be of a color offering high contrast with the back ground color. (d) Operating rules--(1) Proper use of manli/ts. No freight, packaged goods, pipe, lumber, or construction materials of any kind shall be handled on any manlift. (e) Periodic inspection--(1) Fre quency. All manlifts shall be inspected by a competent designated person at Intervals of not more than 30 days, limit switches shall be checked weekly. Manlifts found to be unsafe shall not be oper ated until properly repaired. (2) Items covered. This periodic in spection shall cover but is not limited to the following items: Steps. Step Fastenings. Rolls. Roil Supports and Fastenings. Rollers and Slides. Belt and Belt Tension. Handholds and Fastenings. Floor Landings. Guardrails. Lubrication. Limit Switches. Warning Signs and Lights. Illumination. Drive Pulley. Bottom (boot) Pulley and Clearance. Pulley Supports. Motor. Driving Mechanism. Brake. Electrical Switches. Vibration and Misalignment. "Skip" on up or down run when mounting step (Indicating worn gears). (3) Inspection log. A written record shall be kept of findings at each inspec tion. Records of Inspection shall be made available to the Assistant Secretary of Labor or Ills duly authorized represent ative. (Sout.ce: ANSI A30.1 1!)C9 Sufctv Code for Maullfts.) 1910.69 Sources of standards. Sec. 1910.66 1910.67 1910.68 Source ANSI A120.1-1970 Safety Code for Powered Platforms for Exterior Building Maintenance. ANSI AS2.2-10C9. American National Standard for Vehicle-Mounted ElevaUng and Rotating Work T'.at forms. ANSI A90.1-19C3 Safety Code for Muni ifts. 1910.70 Simulants organizations. Specific standards of the following or ganizations have been referenced In tills subparl. Copies of the standards may lie obtained from the Issuing organization. American National Standards Institute. 1430 Broadway, New York. NY 10018. Subpart G--Occupational Health and Environmental Control 1910.93 Air ronlumiiiants. An employee's exposure to any mate rial listed in table G-l, G-2, or G-3 of tliis section shall be limited in accord ance with lhe requirements of the follow ing paragraphs of this section. i a) Table G-l: (1) Materials with names preceded by "C"--Ceiling Values. An employee's ex posure to any material in table G-l, the name of which is preceded by a "C" (e.g.. C Boron trifluoride), shall at no time exceed the ceiling value given for that material in the table. (2) Other materials--S-hour time weighted averages. An employee's expo sure to any material in table G-l. the name of which Is not preceded by "C", In any 8-hour work shift of a 40-hour work week, shah not exceed the 8-hour time weighted average given for that material In the table. (b) Table G-2: (1) 8-hour time weighted averages. An employee's exposure to any material listed In table G-2, In any 8-hour work shift of a 40-hour work week, shall not exceed the 8-liour time weighted average limit given for that material In the table. (2) Acceptable ceiling concentrations. An employee's exposure to a material listed in table G-2 shall not exceed at any time during an 8-hour shift the ac ceptable ceiling concentration limit given for the material in the table, except for a time period, and up to a concentration not exceeding the maximum duration and concentration allowed In the column under "acceptable maximum peak above the acceptable ceiling concentration for an 3-hour shift". (3) Example. During an 8-hour work shift, an employee may be exposed to a concentration of Benzene above 25 p.pm. `but never above 50 p.p.m.) only for a maximum period of 10 minutes. Such ex posure must be compensated by expo sures to concentrations less than 10 p.pjn. so that the cumulative exposure for the entire 8-hour work shift does not exceed a weighted average of 10 p.pjn. (c) Table G-3; An employee's expo sure to any material listed In table G-3, In any 8-hour work shift of a 40-hour work week, shall not exceed the 8-hour time weighted average limit given for (hat material hr the table. (d) Computation formulae: (1) (1) The cumulative exposure for an 8-liour work shift shall be computed as follows; E-C.T.-t-C*Ts+ . . . CnT. where: 8 E is the equivalent exposure for the work ing shift. C Is the concentration during any period of time r where the concentration remains constant. T ts the d oration In hours of the exposure at the coTHa n:ratioa C. The value of E shall not exceed the 8huur time weighted average limit In table fEDERAl REGISTER, VOt. 37, NO. 102--WEDNESDAY, OCIOOtR IS, IV72 A "i in f'VLHS AM[' RFiCL'lATiONC J O-l. 0-2. or G-r> hM- I':,- b.vUvCil. U,! j 'i\! To iMurl.i"!I.o Mir1 pre- I s-iribeci in subdivision U> of this subpanv- T^m e r? i p.p.m.- zne.,?.P * Tv.tr.i: O 1 - Conllri.i..,! p.p.m.* nusVM* -."iTnh. r.iVe that :r.onn>yl i*-hoiir thru* weighted nrnal.e brvi rd built of I ' rM*\h!ohydi .... AxVjir aril 5. . . .... ........ 100 ppm. (tabic G-J>. A;--r-*imcr that an \< mV. ru..!i.Y.,.l.ri.'I.<..\............... cnmlovco is snbjro}. I*' iNi f<*l!o'Viiv' \ lit*................ r`cpa;.uuv: * \ I.wh* dUMiIurMn, :; o I, 2- ?on in 'i I, Of*" 40 nrn :'?i -JU 2.4in VO Tv; : I'.cnri '"yposure a". !r*0 p ;; ni. Ta'j lim:'.;rv|)it.,iir'' a* 7.' ;i p m. Z'.m*;- limir-: cap-1: mo a ;' p.p m. A iMriu ................................ FubsNhiMn'* this information in the A -'.v! >: -.1 <khi....................... formula, \vc have A'l'. ? IV ._. ... *( AiM'-Mv. IMyl rlli> r (AC::i. A!!\ I ci or, l MlwiifMo........ 2-Ai,.,i',iii'tirutil. son Fthnnoi- iitnliii*........................................... Since 81.23 p.p.m. is l^ss than 100 p.p.m., 2-A : iri'i|;vi f...'i.n.o.......................................... A . * * 1 ! IT! 1 Mllf Main \?M- the 8-hour time weighted avcraj-c limit, the exposure is acceptable. li-A i.'Vt :'<** .. .......... - v-V:iV* -, ? t! i........................... (2) (i) In case of a mature of air con taminants an employer shall compute the | A oP'iir r l- .t . . . .. A .'sl Mnr ...i, : '..iri. i't) -Skin.. .\ itf `11:is y :uiM equivalent exposure as follows: j i.` f.ifplia liaphi 1 ni i in n. s 6n 12.' ft i<: 4 :\a r. 1 11 0. :i C, C. Cm i tni-'-urra). ... _____ e=---f . . . -- L, I.. Lt i .Vrft u:e. and onnipotrad* As).. A Min-.................................................... A T !ri:ivy I ;:Mn............... Where: Em La the equivalent exposure for mixture. C Is the concentration of a particular con taminant. Barium i'soIuMi* compi.iind :)__ n-ll.nrojnlrnn*, '/mIimimm. .. *!- TV'iyl \wrttlv........................... . IP 7.\l cklondn............................. (',!p;--':\M. ;:{ I)'phonyI.............. IJ:s::h',::*d A. soo fH-.MyoiMyi 1 L Is the exposure limit for that contami nant, from table 0-1, G--2, or 0-3. M li'T............................................... OXlMo. .................................. (' M.'rori trldnoi!!.-:....................... i The value of E,, shall not exceed unitv (1). (li) To Illustrate the formula pre Tl^MiltlfS.......................................... 1 :rAi}tf*JVirtr---Sfcin......................... R'M-Viiriio (I, t?-K(i|..<\rUr*n*) ..... J'.ijftUM'lltlol. Butyl tnrr- n. i n. 5 1,000 scribed In subdivision (i> of this subparagraph. consider the following exposures: 2- ...................................... *`*'i66.......... 2-*'*uMxy rthanol (Butyl OM* h-salvo) --^kln...........................I'utvl Hcotrui* fn-!utyl amtato). r>n 1ft0 Material . Actual non- contrition of fl-limir exposuro R-hnr.rtlma welchtod averac* exposure limit oc-Rutyl rvcclutlr*....................... . tcrUltulvl acetate...................... . Jlutvl alonhm......... jn.r-Rntyl nlpohol................... . Icrt-Rntyl alcohol.......................... O Hulylamino--SJcin.................... C (rrt-T'uiyl chronmto (as 200 200 100 150 100 6 ('rO|P-Skln.......................... .. Arrtono (Tallo CJ-1)___ ... V p.p.m... 1.000p.p.m. 2 Ihtl anone (TnM* 0-1).-- 4ft p.p.m.... 200 p.p.m. n*RKy] clyoMyl ether (ROE).. * Butyl rirrcHofati................... ... 50 III Toluona (Tallin (.1-2)............40 p.p.m_____ 200 p.p.m. p-tcrt-Rutrltolucno............. 10 Substituting in the formula, we have: CaMum ars**na!o............................ C-ihMutn oxide............. .. ................... `Camphor.................................... 3 500 45 40 Cariiaryl (Sovln^j)..... .................. Car'twm lilrtclc............................... E.=------------1---------- !-------- Carlton dioxide............... . 6,000 1.000 200 200 E- =0.500 + 0.225 + 0.200 Ei.0.325 Since E,, is less than unity (1), the expo sure combination Is within acceptable limits. (e) To aclileve compliance with para graph (a) through (d> of this section, adm'nistratlve or engineering controls must first be determined and Imple mented whenever feasible. When such CarlKin monoxide.......................... Ch'ordane--Slcln......................... . Chlorinated mmpheno--Skin.... ChlnricntM diphonyl ntldn...... Chlnrtno......................................... Chlorine dioxide. ........... ............ C ChVvrlnn trtfluortde.......... . C Chlomneetoldehydo................ cv-Chtoroacetophanona (plicinru-ylchlorlde).................. .. Chlorolwmtnna (monochloroIjontwio)............. ............... .. 0-ChiorotanKylldenA malononltrtle fOCRM)......... -- Chloroltromomethane............. .. 2-Chloro-l,3-l>utadl(*no, so* 60 .... 1 0.1 0.1 1. aos 78 0.00 300 controls are not feasible to achieve full compliance, protective equipment or any CUloroprena...............................-- CM'Vodlphnnyl (42 prrcnnt Chlorine)--Skin........................ other protective measures shall be used to keep the exposure of employees to air contaminants within the limits pre scribed in this section. Any equipment and/or technical measures used for this ChlnrwUphenyl (M percent Chlortnel--Skin................... .. l^hlom.Z.S-epoxypropane, sea F.p1chlorhydrlo.~............. . 2-Chlorncithfiool, sea Etbylana clitorohydrln..................... ........ Chlomethyleoe, sea Vinyl purpose must be approved for each par ticular use by a competent industrial ehlortde.......... ...................... C Chloroform (trlchloro- methane).................. ... m hygienist or other technically qualified person. Whenever respirators are used, their use shall comply with S 1.910.134. 1-Chlora-l-nitropropana........ CMoropInlo....................... ...... Chlomprene (2-chloro-l,2- baladione)-- Skin................... ... 20 at a o. .1 rt. n. 5 0.5 5 :< a. 7 ft 2,200 210 710 HftO nro 300 4.V) 300 15 (1.1 270 3ft 60 6 5 3.5 9.000 55 0.6 as as 3 as 0.4 3 as 350 a4 1,000 1 Oil M* 100 QlT a Chromium. $.il. <*rirn!nlc, rtir.,m-.Hi ,<-,t :v Cr....................... :ml J ....................... . C*\l t:tr :-i . !t V'*l itllus .!!<* o.Inii!.- Tr i-Minnl anlhra- ivh*. IJ-tI'-*!. p!i.*in:et.rMphrrr*iMstn,n........... . - : : r .i-l .Inst.. .....I.........' -.|I* l :.............. Ill , < ., M . _ ............. ^ f `S . < >: i -- (kin. ............ i ' \ 4*lr.!u`Vji >uj ................. Cyrlol;. viinot!.'.............................. 'yc!o*'.-\-i.`................................... SO o(M) r.a *41 3(x :.Vi. ' 1' " '' *' li ni.-T `kin................................... Il'iVr. :.-r J|,'M.- vik ............ is- * kin .! 11 * . *!.: .ivi) *4 yh 01 y. I.'* i:io- . 1 * !F::*!.<8.-..n-1-.M>!'- |0.....-....................................... \ li'M.rnn" ............................. P*......................... . C . * svli:or,,l.,*i:..-...................... p-m-::: roiw. ..... ............ . iJUMM'v.biini"*!-'* "thane............ l.ft-l)l'*ul*ir<vft.,Vii;!;rtliyl hvd-H'ioifi.................................... I.Mlmh'or.^h-........................ 1.2-PU-f.h.t*. :h;.M-uc.................... C l>1chl"r*tMl.y! r-iOrr- Skill... 0. 05 SO 0.2** 0.1 so"'* 1.000 UX) 200 1$ Mi'(Jiyl,n'C).'trlil<'............. .... D1chl*:ii"n"nuornir:'-i.ii:ino.. . C 1.1-1 >lrhlorn-l-nt!.*>!:.mn.__ 1.2-Olchl(iroprnpan<v S'*o |rop\ii*ii.ilii*iij.'fldf............. . r>ich5*i oi Mu* rh*ih:uio___ __ Dlchlorv-ts (111 \'l*) --Skin........ IJIrldrlu--Skin.............................. . L>lot liy l;iin !*** .............................. Dlcthyh'.uttno I'rh-sool -Skin ... l7!.`tliyU*!l.T, Kl'iyl nilior__ I ....... C I HjfJyiMd:. I .:h.-r ilKIK)........ Dlhy4!M:V\M..-i'/** 'f. S*M ilyls*i*i iii.ou* ........................... Dllss-myi k, ro: ................. Ol'srH*ro: ..Mr- *o.*. Skin............. DtnuMl'ctv1 '!:..;.......s..-n......... r>lm4*!hy' -- Skin........ fln,*tlij j*u.;!u- ..................... . -;:7.<**u. see Xv!! !*.' ...... ^'.disuvtliyU nnlli*:-- 'i--.......................... Rlmrtiivl'^-o'. t. XyU*n.. I>lrn*t!iyl l 2 i*ll.r.>iiMv2,2-UI* chlootf-; myI plrosphato, (Dlhro-ii...................................... Dlnjrihyif- r;M:itildo- Skln.--.. 2Al)l;u< ilivMlfi.tnnoiu*, sae DllmlMityl k< ..................... t.1-1 >lnioihy!hydn.xlne--8kln.^ t)lm(`thyl|i<ih:il:|i`......... .......... . ni:n*l!-vl.*ut(;l*-- Skill.__ ..... PIiIv*!h*ii7*t.*' i nil IsoiruTj) -- Skin......................... ........... Pin Uro.o-rnvl--Skin.......... Dhiltropihji-na-- Skin.................. Uloxann (iJlvtl'A'lene dioxide)-- ?k*!n.............. !.............................. Diphenyl....................................... Dlponiyimcthane dltroeynnela (see M-ihylc'i<* Mtplicnyl Isocyanate (Ml>)....................... Dlprrtyl< M* rlycol methyl etli.-r--Skin........................... ... l>t-5rc. octyl phthalate (IH*2* ethyllicxylpMthalftle)................. Endclf*-Skin... ............ ........ Eptehlwhydrln--Skin .......... KPN-Hkln..................................... 1.2-Epoiyproian*, xce PropTb'ne.ixtde_______ ........ 2,i-Epoi7-}-propanoi, sea Olyddol....................................... 2.000 10 l. < 10 v.*\" 0. s 1100 10 aY 10a3 i 100 t Sec footnotes at end oi table. 01 .5 0o0...13i 1 I ftt 2*02 !,02f4t0AS 1,022(l1K<f0t 20100 1 o.' ;i' ai 240 00..41 5 300 460 4,950 a2 400 790 90 4,200 GO 7,000 0l.2ft 00 2.3 200 2U H a 3 30 ....... ft 6 n1 .j 1.6 M0 1 000 &3 1 10 HI V ? fe-8 v- iv ,FEDERAL REGISTER, VOL. 37 NO. 202--WEDNESDAY, OCTOBER 18, 1972 RULES AND REGULATIONS 22141 Tablb G-l--Continued Table G-l--Continued. Taulb G-l--Continued Substonoe BQfW Substance p.pjn. Ktlmnclhlol, sco Ethylmer- raptan.............................................. nhanolandm* .............................. 3 jKtlmxyethimol -Skin-----..... *X> - Klhoxyolbylncclruo (ColU>* snlva aoinle)-- Skin. --...... 100 F.Lhyl nccl-H**................ ............... irthyl acryl;U!-Skb>.................. 400 25 alcohol (clh:uu>l).............. 1.000 M h> lunlnc.................................... 10 r'.iliyl s**c-nmyl ketone (6- ni'ibyl-3-lii'pt:muue)................ 25 s-: f fI >>/ur*no............................... .111 v I brmnldi*........................... . 1U0 200 6 740 M0 1,400 100 1,900 13 130 4:tft 8W 1.> l butyl krlono (3I !< ................................ il.yl chloride........................... .. rJibyl ether.. ...................... llbyl formate............................. ' Ethyl mercaptan.........-........... Fihyl silicate.................... .. ........ Ethylene chlorohydrln--Skin.. 1;! hyb'uedfnndne..................... . - iiibUene dlbromldc, seo 1,2- 50 1,000 400 100 10 100 5 10 230 2.600 1,200 300 25 850 10 25 I )Hrnini>'thHnc............................ i thylonc dklilnrklo, see 1.2* I lichlurocthnuo............................ i- RUtylcno ulycol dhiHntn ond/or Nitroglycerin Skin... <0.2 1 Klhyleim jii.vcol munomcihyl clijcr sircUte, S`u Methyl cellnsolvo acetal**......................... '`.thyleno linino-- a'tin................- ........ a*6* ' ........... i* Fthyletio oxtdo............................... so 00 l.'ihylldhw chloride, sco 1,1- I ttchlorocthnno............... . N- K thy luiorphollne -Skin------ - `*"26......... .......... m` 1-Vrlmm.......................................... -- 15 IVrrovanadiutn dust......--... l I'inorMo (hs 10..................... -......... Fluorine........................................... Fluorotrlcldofomethane.---... 1,000 Zft 0.2 5,600 Formic acid..................... ....... 5 9 Furfural - Skin........................... --. 6 20 urfnryl alcohol............................ SO 200 Glycidol (2,3-Kpoxy-l* ptopunnl).................................. Glycol tuouorthyt ether, soo '.`-Klhoxyethanol.......................... 50 150 tl.iihUm , sco Ailnphos- methyl...............................-.......... flnfiihun............................................ H.'ptachtor--Skin................... ....... Jlcplnno (n-heptane).............. --. 11 txachloroethanc--Skin............1 Ir-xachloronaphlhalano--Skin... Hexane (n-hoxauc)..--........ 2-Ifexonouo.............................. --- COO 1 wu........ 100 0. ft as 2,000 10 0.2 ltfl 410 U.'tono (Methyl Isohutyl ketone).......................... --.........* o-Uoxyl acetate.............. -........... 100 60 U ydriulno--Skin..........----- - 1 Hydrogen bromide........--.. 3 0 Hydrogen chloride.................- 5 Hydrogen cyanide--Skin.......... - 10 flvdrogcn peroxldo (90%)..--. Hydrogen solenide--.................. 1 0.05 H ydroqulnooe..... ----- ........ C Iodine.............................. ...... ""5.T' Iron oxide fume........................... .............. Tjoemyl acetate.......................... 100 Isaimyl alcohol...... ........................ ino bohutyl acetate................ JftO Uohutyl alcohol................ 100 Liophorone.................... .. Tsopropyl acetate........................... 2ft 2ftO Isopropyl alcohol............... r-opropylamlne................. Isopropylether............................... 403 ft sou tsopropyl glycldyl ether (IGB). 60 Kettme..................... .. 1 ead arsenate............ . Undone--Skin__ _______________ Uthlmn hydrido....... .......... L-P.q. (liquified j>etroleura .,)................................................ 1,000 Magnesium oxide fume.......... MalatWon--Fkln................ Maleic anhydride.............. ..... C Manganese................................... -(taliyl oxide..................... .. 410 300 1.3 10 7 u 1.4 <1.2 io 52ft 300 TOO 3<)0 140 5ft <J*0 12 2,1191 240 0.0 0.13 0. A 0.025 J,MW 1ft 1.1 1 5 HO Methatmthlol, see Methyl . merrapfan____ ______ ......... Methoxychlor.......................... . 2'Methoxyethonol, see Methyl eeltojnlve................. JiUiyl acetate........................... --*9 Methyl acetylene fpropyne).... 1, 000 Mctliyi oceivlo.ne.propadlene fixture (MAIHM....................... 1,000 M-'thy! iM-rvlaf a--Sfcfn.......... 10 Methylai Cdlmeihoiytnolhane).. l.ono mo two 1,800 3ft 3.100 Methyl alcohol (nielhanoJ)_.._ 200 3* Mttliyljiuhio...___________ ..... 10 12 Methyl un:y) mNoJioI, see Mthyl tsuhutyl cnrbluol..... Met by! (n-amyl) ketone (2- Hcplanono)................................ <3 Mcthvl bromide--Skin.......... .. Methyl butyl ke.lono, see 2- 100 20 Mothvl cellOKOlve -Skin........... Met'ivl cellUNolco acetate--Skin M**llivl chloroform............... . Muthvicyclnhoxano..................... Mctlivlcyclohcxanol....... ............ . o-Methylcyclohcxanone-Skin.. Methyl ethyl ketone (M12K), 25 25 350 GUO 100 IU0 Melltyl formate.............................. MctSivl lodlilc.--Skin....... ............ .Methyl Isohut yl carhlnol--Skin. Methyl Isol-utyl ketono, see 100 6 25 Vfruhvl (ro**n analc--Skin___ ... C Methyl mercaptan................... Methyl methacrylate................... Methyl propyl kotone, see 2- 0.02 10 100 C Methyl styrene............. . 100 C Methylene blsphonyl Isocyanate (MLI)._................. 0.02 MoWbdenum: Soluble compounds................... ........... l(o><duhIe comrxjuuds................. ........... Moiiomethyl aniline--Skin____ 2 C Monomothyl hydraxine-- Skin............................................... MvrphoUna--Skin.................... Naphtha (coaltar;................... . 0.3 20 100 NatihtUalone.................. Nickel carbonyl......................... . 10 0.001 Nickel, metal and soluble empds, as Nl..................... NK'Othio--Skin................................ ............ ............ -- Nitric acid................................-- Nitric oxide.................................... 26 p-Nltroanllliuj--Skin........... 1 Nltrobenione--Skin_____ ____ _ 1 p-Nltrochlorobcuxene--Skin........ Nltroolhano................................ 100 Nitrogen dioxide....... ................... Nitrogen trlfluoride...................... 6 10 Nitroglycerin--Skin............ ......... 0.2 Nitronicthane...... ............ ....... ... 1-NltrojH-onane...... ............. 100 25 2-NHropropane.......... -........... . Nltrotolueno--Skin............. . 25 6 Nltn'trtchloromothano, seo Chlon>plrln................................- Octachloronuphlhalene--Skin... Orinne............. .................... Oil mist, mineral..................... .. Osmium tctroxldo........ ................. Oialicaeld___ ............................... oxygon diHucildc.............. . O/.ano...................................... ... 0.h5 0.1 T'arammt--Skin............................... 1'ikTaUnon--Skin.............................. P.'nfnlw)ran................................... 0.005 Pentaeliloronaphihulone-'-Skln.. Pontachlonjphcnol--Sk in........... Poida'ie.......................................... l.OiM) 2-Pentnnone.................................... 200 IVrchloromdh.vi mercaptan.... 0.1 Pcrchlnryl Ihi^ridc........................ 3 Petroleum ll.-tUhtes (miphtha). 600 iMifiiul--Slciti................................. 5 p-I'henyh'ue d! iinlno--Skin.___ Phenyl etlnf fv.tpor).................. Phenyl cth^rduphenyl mixtur. tvjtimr)....................... Phfiiylerhs l-m`, s<h Styrnne....... Phenyl giyVidvl alwr (POE)__ Hi l'henylhydruxini1 - SI: n.............. 5 Phfwdrin (Mcvitiphos ^ ) -- Skin................................................ Phcv-gene (rarhm.yl thloride)... Phosphina....................................... a) a3 Phosphoric acid.............................. Phosphorus (yellow)------- ---------- Phosphorus i>entachlnrtdo.......... . Phosphorus pentn.suir.de,......... Phosphorus trichloride.............. Phtlialic r.nhydrlde...... as 2 Picric acid-Skin............................ P'.Trd (2-1*lvul> 1-1,3- jndutidkiMo)................ ............... . Platinum (Soluble Salts) as Pi.................................................. Propirgyl alci.hU--Skln.w-------- Pmimne................ . 1,000 n-Pmnyl arvlate...........--.. 200 Psi.pyl ulcnhiil.................. 200 n-Propyl nil ride............................ S: f-r<ipy1cn (llehluiide.......----Prupyh-ne Unh*u--Skin.............. 7ft 2 Proir letiy xide............................ 100 Prupyrn-. b**c MethylacelyU*uc.. J*yr*`iiirun................. ................. Pyridii'c........................-................ ........6 Oti5u,........................................... UDX -Skin............... ................. Substance p.p.m* mgVM* * 466 80 80 120 1.000 2,000 470 4G0 28 100 aos 20 410 480 0.2 6 15 9 0.35 70 400 60 0.007 1 0.6 30 6 5 1 310 9 29 2 250 90 90 30 o.i 2,3GO 0.002 1 ai 0.2 O.ft 0.1 1 o.oi 0.5 as 2. M0 7C0 0.8 13.5 2,0iX) 11) 0.1 7 0.1 a< 0.4 1 0. t 1 1 3 12 0.1 ai a 002 1,800 840 r/10 410 350 6 VO ft 16 0.4 1.4 Rhodium, Metal fume and dusts, as Hh.................. ................ Soluble salts.................................. Koum-.l............... ................................ Rotenouo (commerclul)................. Sclonlunt compounds (us Se).......... Selenium hexufluorldo................. Sliver, metal ami soluble cum* pounds............................................ Sodium IhioroacctaU- (U1SU)-- Skin................................................. Sodium hydroxide........................... fitlblne............................................. Sunlilard solvent......................... 0.1 600 Strychnine......................................... Sulfur dloxld<*................ ........... .. ft Sulfur hexafluoride....................... 1.000 Sulfuric arid...................................... Sulfur monoehlnrlde..................... 1 RuUur ivuiailuorlde..................... Sulfuiyl fluorUlo............................ 0.025 6 Systox, sec Dcmuton 4j).................. 2.4.5T.................................. ................ Tantalum........................ ................. TEL>P--Sskin.................................... Tellurium.......................................... Teilurlujn hexafluoride............... 0.02 TEPP-Skhj..................................... .... C Tcrphenyb........................... .. 1.1.1.2-Tetrachlnfo-2.2-dlfloorO' ethane.......................................... l,1^2,2-Teirachloro-l.2-dUluoro> 600 ethane.......................................... 1.1.2.2-T`druchloroellmno-Skln TetrachiorCK'thylene, sco Per- soo 6 chloroethylene................ .............. Tctrachloromethaue. sco Carbon tetrachloride.................................. TotrachloronaphthoUme-'Rkl.i... Tetmcthyl lead (as r'h)--Skin... Tetruhydrofuran........................... Tetramethyl lead (as Pb)-- Skin................................................ Tetromcthyl succinonllrllo-- Sklu.............................................. Tetranitromethane..................... . 0.6 1 Tetryl (2,4.ti-trhdtroi>henyl- mcthyliutramliud^Pkln........... Tlialllum (soluble com pounds)--Skin os Tl.................. Thirant............................................... Tin (Inorganic empdp. except oxides....................................... . Tin (organic empds)...................... C Toluene-2,4-di1ocyanute..... 0.02 o-Tolti id lew--S kin........................ 5 Toxaphene. see.Chloi mated cainphem*...^.............................. Trlbulyl phosphate...................... . 1.1.1-Trichloroethr.uo. s^o Methyl chiorniorii-- 1.1.2-Tr1chb.r'>d hare.- In......... TitaniumdUixldc........... ............... . Trleldormncthauc, see Chloro form.................. --...................... TrlchlorofUiphthahiit* -Skin..... l.S.VTrlrhUii^pT.pntie............. .. 1.1.2-Trtehloro 1,2.2 irl::uoroethanc...................................... - Trletliylandne........................... TrUluonM.woHibnou^jnt.djaue . 1,000 26 1,000 2 4,ft-'!'rinttruphc:.ol, uev l*i* ric wld .............................................. 2,4.fl-'l r>`ulroph< M\ Imeiii;. I- idtoti'diu*. s!C> 'l eiryt................. Trlnllm-'o'iJcKc- Skin.................... Trlortitrre*<yl phoM>;ate.............. Trlplu n>d pht.'Uhuio...... .............. Tuh*miuii....... ........................... llniiiium (<h;Mo . Urnuiuri) (ii^sojuMoc r:.pc*ui.'U>). C Vauadiuti;: Vjf>j lu>t...................................... VjOifume..................................... Vinyl iKMixeno.re*.- Styrene......... O Vinyl ehlorhie........................ Vhiylrynnhlo, see Acrylonitrile.. Vinyl toluene............................... Warfarin........................................... Xytoue (xylol).............................. Xylldlno - Skin.............................. 100 5 Yttrium.......................................... . Zinc, chloride fume--................... 7.Uv` oxide fume*.............................. Zirconium compound* aa Zr)... ft. 1 f. 091 10 5 O. 2 U. 4 0.01 0.05 2 2 O.VhI 5 u. 14 i: 0,000 01 (1.25 20 10 6 0.2 0l 0.2 0.05 0 4,170 .170 25 0. G7G 600 0.1 6 2 0.1 0.14 22 45 15 6 300 7,600 ion 6,100 1.6 0.1 3 500 0.05 0.25 0.5 0.1 1.300 430 0.1 435 25 1 1 5 5 1070 Addition. * Parts ( vui*<r or :*m pef million ports of conlaml* noted sir by viiunie ( 25* G. a id 7to oni. llg preasura. * AppmvbJwlo it i!1lgr:iu:s <( parllculale I>er eubio ineUTofair. vNo font note . ^. 1; used to avoid confusion with celling valut iF'iath i.s.) * Ail ot'.uo-Pherl'* cc.ueoiitratlnn of not inure than n.02 p.p.tn., '*r prrsnnnl prutcclluu may l> iwi'waty to avoid headache. A ntuph-d by ni*'ihid that dei*s imt collcv! vn|***r. / F.ir t-nul fonut >lr# ld'ihi'h- in*idl,,rn g Iset'M-iiiial fur |K-r.T m.h.; ructiu). No. 202--Pt. II- FE0CRAL kCGISTER, VOL 37, NO. 202--WEDNESDAY, OCTOBER 18, 1977 22113 RULES AND REGULATIONS Taw.s G-* Cc'i Methods of compliance--(1) En- ginccring methods, <i) Engineering con Acceptable maximum peak above trols. Engineering controls, such as, but Material 8-hour Ume weighted avorago Acceptable celling concentration the acceptable celUngconcenlra- tlon fur an 8-hour abut. ----------------------------- Concentration Maximum duration not limited to, isolation, enclosure, ex haust ventilation, and dust collection, shall be used to meet the exposure limits prescribed in paragraph (b) of this section. B-nrene (237.4-1909).........................................10p.p.m_28 p.p.m................ Mp.p.m................ 10 minutes. Beryllium and beryllium compound! 2*g7M*......... S/ig./M1..............26|ig./M(................ 30 inluutcs. (Z37.29-1070). Cadmium turn* (Z37.8-1Q70)............ ............. 0.1 mg./M*.........0,3m./M*.......................................... Cadmium dust (237.6-1970).............................0.2mg./M............. 0.6 mg./M*............................................... Carlmu dlmlflde (237.3-1968)......................... 20 p.p.m. ..............30 p.p.m................ 100 p.p.m............... Do. Carbontolmchlorlde (237.17-1967).............. . 10p.p.m............ .. 28p.p.m............ . 200p.p.m_______ 5 minutes In any 4 hours. Ethylenerilhrnmlde (237.31-1070)_____ ____20 p.p.m_______... 30 p.p.m....____ 80 p.p.m........ 5 minutes. Ethylene illchloride (Z37.2I-1069).......___ 00 p.p.m...............100 p.p.m............. 200 p.p.m............ 6 minutes In <ii> Local exhaust ventilation, (a) local exhaust ventilation and dust col lection systems shall be designed, con structed, installed, and maintained in accordance with the American National Standard Fundamentals Governing the Design and Operation of Local Exhaust nny 3 hours. Formaldehyde (Z37.I6-I067)........................... 3 p.p.m.................. 0 p.p.m............ 10 p.p.m. ........ 30 minutes. Hydrogen tluorfde (237.28-1009). ,,------------- ------- do.............. ..... ...........------ -------- ---------------.... Fluoride as dust (237.28-1969)........................ 2.5mg./M*................................................................................. Lead and Us Inorganlccorapounds (Z37.U- 0.2 mg./M*......................................................................... 1900). Metliyl chloride (237.18-1069)......................... 100p.p.m........... 200 p.p.m................ 300p.p.m............ Smlnulosln any 3 hours. Methylene Chlortde (237.3-1969).................... 600 p.p.m......... 1,000 p.p.m............. 2,000 p.p.m_____ 6 minutes In any 2 hours. Orgnno (alky!) mercury (237.30-1900) ...... 0.01 mg./M... 0.04 mgVM i............................................. Styrene (237.16-1969)........................................ 100 p.p.m......... 200 p.p.m................ 600 p.p.m.............6 minutes In any 3 hours. Systems, ANSI Z9.2-1971, which is in corporated by reference herein. <b) See { 1910.6 concerning the avail ability of ANSI Z9.2-X971, and the maintenance of a historic file in connec tion therewith. The address of the Amer ican National Standards Institute is given In 5 1910.100. (iil) Particular tools. All hand-op f,. iif- Trichloroethylene (237.19-1907)...............................do.........................do....................... 300 p.p.m.............6 minutes In any 2 hours. Tetracbloroethylene (237.22-1067).......................... do........................ do................................do--............... 6 minutes In any 3 hours. Toluene (287.12-1987)........................................ 200 p.p.m......... 300 p.p.m.................. 800 p.p.m............10 minutes. Hydrogen sulfide (237.2-1960)....................................................... 20 p.p.m..................80 p.p.m................ 10 minutes once only If no erated and power-operated tools which may produce or release asbestos fibers in excess of the exposure limits pre scribed in paragraph (b) of this section, such as, but not limited to, saws, scorers, other measur able exposure occurs. abrasive wheels, and drills, shall be pro vided with local exhaust ventilation sys Mercury (Z37.8-1971).............................................. -...................... tm*./l<lM*................................................ Chromic acid and chromates (237.7-1971)........................................ do*._................................................. tems In accordance with subdivision (11) of this subparagraph. TABts Q-3--Minisai. Dusts Substance Mppcf Mg/M* Aerodynamic diameter (unit density sphere) Porcent passing selector (2) Work practices--(1) Wet methods. Insofar as practicable, asbestos shall be handled, mixed, applied, removed, cut, .scored, or otherwise worked In a wet Sitka: Crystalline: Quart* (rasptrabte)................ 289 lOmg/M1 * %8IOrH %8IOH-S Quart* (total dust)............ . aOmg/M* 2 90 2.6 70 AS 60 6.0 28 10 0 The measurements under this note refer to the use of state sufficient to prevent the emission of airborne fibers in excess of the ex posure limits prescribed in paragraph (b) of this section, unless the usefulness of the product would be diminished thereby. $ CrtHtohplIte: Dm M tlie value calculated from tba count or mass formulae for quart*. TrldymUe: Use H the value calculated from the for %9iOt+l au ABC Instrument. If the respirable fraction of coal dost Is determined with iMRB the figure corresponding to that of 3.4Mg/M* in Uie table for coal dust is4.6Mg/M*. 1910.93a Asbcsios. (a) Definitions. For the purpose of (li> Particular products and opera tions. No asbestos cement, mortar, coat ing. grout, plaster, or similar material containing asbestos shall be removed from bags, cartons, or other containers mulae (or quart*. Amorphous, including natural dtatomacecus earth......... this section. (1) "Asbestos" includes in which they are shipped, without being 20 SOrog/M* chrysotlle, amoslte. crocldolite. tremo- either wetted, or enclosed, or ventilated ilte, anthophylUte. and actinollte. %MO, (2) "Asbestos fibers" means asbestos so as to prevent effectively the release of airborne asbestos fibers in excess of the Silicates Ores than 1% crys talline silica): Mica.................... ................... Snapwlone............. Talc (non-asbestoa-fonn)... Talc (fibrous). Use asbestoa limit.............................. Tremollte (see tale, fibrous) Portland cement........... Graphite (natural).................. Coal dut (respirable fraeUoa less than 0% BlOj)_____ ..... For more than 8% 8IO*.. ___ 20 20 20* 80 16 2.4mg/M* or lOmg/M* fibers longer than S micrometers. (b) Permissible exposure to airborne concentrations of asbestos fibers--(1) Standard effective July 7, 1972. The 8-hour time-weighted average airborne concentrations of asbestos fibers to which any employee may be exposed shall not exceed five fibers, longer than 5 micrometers, per cubic centimeter of air, as determined by the method pre limits prescribed In paragraph (b) of this section. (iii) Spraying, demolition, or removal. Employees engaged in the spraying of asbestos, the removal, or demolition of pipes, structures, or equipment covered or insulated with asbestos, and in the removal or demolition of asbestos In sulation or coverings shall be provided with respiratory equipment in accord Inert or Nuisance Dust: Respirable fraction........ . Total dust ............................ %310t+l scribed In paragraph (e) of this section. (2) Standard effective July 1. 1976. ance with paragraph (d> (2) (ill) of this section and with special clothing In ac 10 80 Srag/M* 16mg/M* lire 8-hour time-weighted average air borne concentrations of asbestos fibers cordance with paragraph (d) (3) of this section. Not*: Conversion factors -- mppi*tx38.3million particles per coble meter *=particles per c.o. Millions of particles per cable foot of air, based oo traplnger samples counted by light-flaki technics. 1 Ttie percentage of crystalline silica la the formula la tho nmonnt determined from airborne samples, ex cept In those Instances lu which other methods havebeeo shown to be applicable. As determined by the membrane filter method at 439 xphn.ei contrast magnification. thrill concentration and percent quarts for the epp5cation of Uiis limit are to be determined from Che fraction passing a rige-selcctor with the following characteristics: Containing < l% quarts; If > \% quarts, use quart* to which any employee may be exposed shall not exceed two fibers, longer than 5 micrometers, per cubic centimeter of air, as determined by the method pre scribed in paragraph (e) of this section. (3) Ceiling concentration. No em ployee shall be exposed at any time to airborne concentrations of asbestos fibers In excess of 10 fibers, longer than 5 micrometers, per cubic centimeter of air, as determined by the method pre (d) Personal protective equipment-- (1) Compliance with the exposure limits prescribed by paragraph (b> of this sec tion may not be achieved by the use of respirators or shift rotation of em ployees, except: (1) During the time period necessary to install the engineering controls and to Institute the work practices required by paragraph (c) of this section: (il) In work situations in which the limit. scribed In paragraph (e) of this section. methods prescribed In paragraph <c> of FEOERAl REGISTER, VOL 37. NO. 203--WEDNESDAY, OCTOBER IS, 1972 RULES AND REGULATIONS 221-13 this section are either technically not based upon his most recent examination, breathing zone of the employees, on feasible or feasible to an extent insuffi an examining physician determines that membrane filters of 0.8 micrometer po cient to reduce the airborne concentra the employee will be unable to function rosity mounted in an open-face filter tions of asbestos fibers below the limits normally wearing a respirator, or that holder. Samples shall be taken for the prescribed by paracraph (b) of this the safety or health of the employee or determination of the 8-hour time- section: or (lli) In emergencies. other employees will be impaired by his weighted average airborne concentra use of a respirator. Such employee shall tions and of tlic coiling concentrations of (iv) Whore both respirators and per be rotated to another job or given the asbestos fibers. sonnel rote (.ten are allowed by subdivi opportunity to transfer to a different po <:i) Sam.-ling frequency and patterns. sions (i>, (ii), or Mil) of this subpara sition whose duties he is able to perform After the initial determinations required graph. and both are Israeli cable, person with the same employer, in the same geo by subparagraph (1) of this paragraph, nel rotation ,;h:ul be preferred and used. graphical area and with the same senior samples shall be of such frequency and (2) Where a respirator is permitted by ity, status, and rate of pay he had just pattern as rei-recent with reasonable subparagraph (1) of this paragraph. It prior to siuh transfer, if such a different accuracy (ho loveiu of exposure cf em shall be selected from among those ap position is available. ployees. In no ease shall the sampling be proved by ii:.' Dureau of Mines, Depart (3) Special clothing: The employer done at intervals greater than 6 months ment of the Interior, or the National In shall provide, and require the use of, spe for employees whose exposure to asbestos stitute Iter Occupational Safety and cial clothing, such as coveralls or similar may reasonably be foreseen to exceed Health, D; pertinent of Heal til. Educa whole body clothing, head coverings, the limits prescribed by paragraph (b) tion, and Vv'i ifarc. under the provisions of gloves, and foot coverings for any em of this section. 30 CEB Part 11 (37 F.R. 6244, Mar. 25. 1072), and rhnll be used in accordance with r.ubili visions (it, (ii), (iii), and (iv) of this .subparagraph. (1) Air purifying respirators. A reusa ble or single u e air purifying respirator, or a respirator described in subdivision (ii) or (iii) of this subparagraph, shall bo used to reduce the concentrations of airborne asbestos fibers in the respirator below Hie exposure limits prescribed in paragraph (it) of this section, when the ceiling or the 8-hour time-weighted aver age airborne concentrations of asbestos fibers are reasonably expected to exceed no more than 10 times those limits. (ii) Powered, air purifying respirators. A full facepiece powered air purifying respirator, or a powered air purifying respirator, or a respirator described in subdivision (iii) of this subparagraph, shall bo used to reduce the concentra tions of airborne asbestos fibers in the respirator below the exposure limits pre scribed in paragraph (b) of this section, when the ceiling or the 8-hour time- weighted average concentrations of asbestos fibers are reasonably expected to exceed 10 times, but not 100 times, those limits. (ill) Type "C" supplied-air respirators, continuous flow or pressure-demand ployee exposed to airborne concentra tions of asbestos fibers, which exceed the ceiling level prescribed In paragraph (b) of this section. (4) Change rooms: (1) At any fixed place of employment exposed to airborne concentrations of asbestos fibers in ex cess of the exposure limits prescribed in paragraph (b) of this section, the em ployer shall provide change rooms for employees working regularly at the place. (ii) Clothes lockers: The employer shall provide two separate lockers or con tainers for each employee, so separated or isolated as to prevent contamination of the employee's street clothes from his work clothes. (iii) Laundering: (a) Laundering of asbestos contaminated clothing shall be done so as to prevent the release of air borne asbestos fibers in excess of the ex posure limits prescribed in paragraph (b) of this section. (b) Any employer who gives asbestoscontaminated clothing to another person for laundering shall inform such person of the requirement in (a) of this subdi vision to effectively prevent the release of airborne asbestos fibers in excess of the exposure limits prescribed in para graph (b) of this section. (c) Contaminated clothing shall be (3) Environmental monitoring--(i) samples shall be collected from areas of a work environment which are represent ative of the airborne concentrations of asbestos fibers which may reach the breathing zone of employees. Samples shall be collected on a membrane filter of 0.8 micrometer porosity mounted in an open-face filter holder. Samples shall be taken for the determination of the 8- hour time-weighted average airborne concentrations and of the ceiling con centrations of asbestos fibers. (ii) Sampling frequency and patterns. After the initial determinations required by subparagraph (1) of this paragraph, samples shall be of such frequency and pattern as to represent with reasonable accuracy the levels of exposure of the employees. In no case shall sampling be at intervals greater than 6 months for employees whose exposures to asbestos may reasonably be foreseen to exceed the exposure limits prescribed in para graph (b) of this section. (4) Employee observation of monitor ing. Affected employees, or their rep resentatives, shall be given a reasonable opportunity to observe any monitoring required by this paragraph and shall have access to the records thereof. class. A type "C" continuous flow or pres transported in sealed Impermeable bags, (g) Caution signs and labels. (1) Cau sure-demand, supplied-air respirator or other closed, impermeable containers, tion signs, (l) Posting. Caution signs shall be used to reduce the concentra and labeled in accordance with para shall be provided and displayed at each tions of airborne asbestos fibers in the graph (g) of this section. location where airborne concentrations respirator below the exposure limits pre (e) Method of measurement. All de of asbestos fibers may be in excess of the scribed in paragraph (b) of this section, terminations of airborne concentrations exposure limits prescribed in paragraph when the celling or the 0-hour time- of asbestos fibers shall be made by the (b) of this section. Signs shall be posted weighted average airborne concentra membrane filter method at 400-450 X at such a distance from such a location tions of asbestos fibers are reasonably (magnification) (4 millimeter objective) so that an employee may read the signs expected to exceed 100 times those limits. with phase contrast illumination. and take necessary protective steps be (iv) Establishment of a respirator pro (f) Monitoring--(1) Initial determi fore entering the area marked by the gram. (a) The employer shall establish nations. Within 6 months of the publi signs. Signs shall be posted at all ap a respirator program in accordance with cation of this section, every employer proaches to areas containing excessive the requirements of the American Na shall cause every place of employment concentrations of airborne asbestos tional Standards Practices for Respira where asbestos fibers are released to be fibers. tory Protection. ANSI ZR8.2-1969, which monitored -in such a way as to determine (11) Sign specifications. The warning Is Incorporated by reference herein. whether every employee's exposure to signs required by subdivision (1) of this b. See $ 1910.6 concerning the avail asbestos fibers is below the limits pre subparagraph shall conform to the re ability of ANSI Z88.2-19C9 and the main scribed in paragraph (b) of this sec quirements of 20" x 14" vertical format tenance of an historic file in connection tion. If the limits are exceeded, the em signs specified in S 1910.145(d) (4), and therewith. The address of the American ployer shall immediately undertake a to tills subdivision. The signs shall dis National Standards Institute is given In compliance program in accordance with play the following legend in the lower i 1910.100. paragraph (c) of this sertion. panel, with letter sizes and styles of a (c) No employee shall be assigned to (2) Personal monitoring--(I) Sam visibility at least equal to that specified tasks requiring the use of respirators If, ples shall be collected from within the in tins sulxhvision. FEDERAL REGISTER, VOL 37, NO. 202--WEDNESDAY, OCTOBER 18, 1972 I- 221H r RULES AND REGULATIONS Legend Asbestos___________ Dust Hazard. Avoid Breathing Du.it____ Wear Assigned Protective Equipment. Rotation 1~ Bane Sortr. Oothlo or Block. %" Sana Sortf. Oothlo or Block. >4" Gothic. 14" Gothic. paragraph, which Indicates the em ployee's own exposure to asltestos fibers. (3) Employee notification. Any em ployee found to have been exposed at any time bo airborne concentrations of asbes tos fibers In excess of the limits pre scribed In paragraph (b) of this section shall be notified in writing of the expo sure as soon as practicable but not later to the Assistant Secretary of Labor for Occupational Safety and Health, the Director of NIOSH, to authorized physi cians and medical consultants of either of them, and. upon the request of an em ployee or former employee, to his physi cian. Any physician who conducts a medical examination required by this paragraph shall furnish to the employer Do Not Remain In Are* >4" Gothic. than 5 days of the finding. The employee of the examined employee all the infor I Unless Tour Work Re shall also bo timely notified of the cor mation specifically required by this quires It. rective action being taken. paragraph, and any other medical in Breathing Asbestos Dust May Bo Hazardous To Your Health. 14 point Gothic. Spacing between lines shall be at least (j) Medical examinations--(1) Gen eral. The employer shall provide or make available at his cost, medical examina tions relative to exposure to asbestos re formation related to occupational ex posure to asbestos fibers. 1910.94 Ventilation. equal to the height of the upper of any quired by this paragraph. (a) Abrasive blasting--(1) Defini two lines. (2) Preplacement. The employer shall tions applicable to this paragraph.--(i> (2) Caution labels--(1) Labeling. Cau provide or make available to each of his Abrasive. A solid substance used In an tion labels shall be affixed to all raw employees, within 30 calendar days fol abrasive blasting operation. materials, mixtures, scrap, waste, debris, lowing his first employment in an (ii) Abrasive-blasting respirator. A and other products containing asbestos occupation exposed to rjrbornc con continuous flow air-line respirator con fibers, or to their containers, except that centrations of asbestos fibers, a compre structed so that it will cover the wearer's no label Is required where asbestos fibers hensive medical examination, which shall head, neck, and shoulders to protect him have been modified by a bonding agent, include, as a minimum, a chest roent from rebounding abrasive. coating, binder, or other material so that genogram (posterior-anterior 14 x 17 (iii) Blast cleaning barrel. A complete during any reasonably foreseeable use. inches), a history to elicit symptom enclosure which rotates on an axis, or handling, storage, disposal, processing, or atology of respiratory disease, and which has an internal moving tread to transportation, no airborne concentra pulmonaiy function tests to include tumble the parts, in order to expose vari tions of asbestos fibers In excess of the forced vital capacity (FVC) and forced ous surfaces of the parts to the action of exposure limits prescribed in paragraph expiratory volume at 1 second (FEVt.), an automatic blast spray. (b) of this section will be released. (3) Annual examinations. On or be (iv) Blast cleaning room. A complete <ii) Label specifications. The caution fore January 31. 1973, and at least an enclosure in which blasting operations labels required by subdivision (i) of this nually thereafter, every employer shall are performed and where the operator subparagraph shall be printed in letters provide, or make available, comprehen works inside of the room to operate the of sufficient size and contrast as to be readily visible and legible. The label shall state: Caution sive medical examinations to each of his employees engaged in occupations ex posed to airborne concentrations of as bestos fibers. Such annual examination blasting nozzle and direct the flow of the abrasive material. (v) Blasting cabinet. An enclosure where the operator stands outside and Contains Asbestos Fibers Avoid Creating Dust Breathing Asbestos Dust May Cause Serious Bodily Harm (h) Housekeeping--(1) Cleaning. All external surfaces in any place of employ ment shall be maintained free of accu mulations of asbestos fibers if. with their dispersion, there would be an excessive concentration. shall include, as a minimum, a chest roentgenogram (posterior-anterior 14 x 17 Inches), a history to elicit symptom atology of respiratory disease, and pulmonary function tests to include forced vital capacity (FVC) and forced expiratory volume at 1 second (FEV10). (4) Termination of employment. The employer shall provide, or make avail able, within 30 calendar days before or after the termination of employment of operates the blasting nozzle through an opening or openings in the enclosure. (vi) Clean air. Air of such purity that it will not cause harm or discomfort to an individual if it is inhaled for extended periods of time. (vii) Dust collector. A device or com bination of devices for separating dust from the air handled by an exhaust ventilation system. (viii) Exhaust ventilation system. A (2) Waste disposal. Asbestos waste, any employee engaged in an occupation system for removing contaminated air Gcrap. debris, bags, containers, equip exposed to airborne concentrations of from a space, comprising two or more ment, and asbestos-contaminated cloth ing, consigned for disposal, which may produce in any reasonably foreseeable use, handling, storage, processing, dis posal. or transportation airborne concen trations of asbestos fibers in excess of the exposure limits prescribed in paragraph (b) of this section shall be collected and disposed of in sealed Impermeable bags, asbestos fibers, a comprehensive medical examination which shall include, as a minimum, a chest roentgenogram (pos terior-anterior 14 x 17 inches), a history to elicit symptomatology of respiratory disease, and pulmonary function tests to Include forced vital capacity (FVC) and forced expiratory volume at 1 second (FEVl.) of the following elements (a) enclosure or hood, (b> duct work, (c) dust collect ing equipment, (d) exhauster, and (e> discharge stack. (ix> Particulate-filter respirator. An air purifying respirator, commonly re ferred to as a dust or a fume respirator, which removes most of the dus, or fume from the air passing through the device. or other closed. Impermeable containers. (5) Recent examinations. No medical (x) Respirable dust. Airborne dust in (1) Recordkeeping--(1) Exposure rec ords. Every employer shall maintain rec ords of any personal or environmental monitoring required by this section. Rec ords shall be maintained for a period of at least 3 years and shall be made avail able upon request to the Assistant Secre examination is required of any em ployee, if adequate records show that the employee has been examined in ac cordance with this paragraph within the past 1-year period. (6) Medical records--(1) Mainte nance. Employers of employees examined sizes capable of passing through the up per respiratory system to reach the lower lung passages. (xi) Rotary blast cleaning table. An enclosure where the pieces to be cleaned are positioned on a rotating table and are passed automatically through a series of tary of Labor for Occupational Safety pursuant to this paragraph shall cause blast sprays. and Health, the Director of the National to be maintained complete and accurate (xll) Abrasive blasting. The forcible Institute for Occupational Safety and records of all such medical examina application of an abrasive to a surface Health, and to authorized representa tions. Records shall be retained by by pneumatic pressure, hydraulic pres tives of either. ~-- employers for at least 20 years. sure, or centrifugal force. (2) Employee access. Every employee (ID Access. The contents of the rec (2) Dust hazards from abrasive blast and former employee shall have reason ords of the medical examinations ing. (1) Abrasives and the surface able access to any record required to be required by this paragraph shall be made coatings on the materials blasted are maintained by subparagraph (1) of this available, for inspection and copying. shattered and pulverized during blasting FEDERAL REGISTER, VOL 37, NO. 202--WEDNESDAY, OCTOBER 18, 1972