Document O3MmQZENmxgVBMzwJZgVMDEkX

:o^u*+ Table Z-2 Material 8-bour time waeviegrhatgeed Acceptable celling concentration Acceptable maximum peak above the acceptable celling concentre- tlon lor an 8-bour abut, -- - - .. -- Concentration Maximum dumloa ^r.rene (Z37 4-15S9I'................................... ........y*rylliura and beryllium compounds 10 p.p.m........ 25 p.p.m.. 5*g./M*... (237.29-1970). Cadmium lume (Z37.5-1970)........................... Cadmium dust (Z37.5-1970) -- o.i tog./M*..,-----0.2 mg./M*...--- 3 mg./M*.0.6 mg./MJ. Carbon disulfide (Z37.3-1068)......................... Carbon tetrachloride (207.17-1967)....--.. 20 p.p.m............... 10 p.pjn........ so p.p.m*. 36 p.pjn.. Ethylene dlbromlde (237.31-1970). Ethylene dlchlortde (Z37.2I-1S69) 20 p.p jn........ 30 p.pjn.. 60 p.pjn.............. 10Q p.pjn, Formaldehyde (237.16-1967). Hydrogen fluoride (Z37.23-IC69) Fluoride as dust (237.28-1969).. Methyl chloride (Z37.1S-19W)... 3 p.pjn......... 6 p.pjn... .......do....... ............................. 2.6 mg./M*........ -.................... 100 p.p.m........ 200 p.p.m... Methylene Chloride (237^-1960)....................500 p.pjn........... 1,000 p.p.m. .... 60p.p.m.............. lOtnlmUea. ___ ................................. 30 minutes. .... 100 p.p.m............ Do. .... 200 p.p.m....... 6 minutes la any 4 hours. .... 60p.p.m........ 5minutes. .... 200 p.p.m....... 6 minutes Iq any 3 hours. .... 10 p.pjn...____ 30 minutes. .... 300 p.pjn....... fiminutes (n any 3 hours. .... 2,000 p.p.m_____ 6 minutes in any 2 hours. Of7ano (alkyl) mercury (Z37.30-1S69)..........0.01 mg./M... 0.04 mg./M*. Styrene (Z37.16-1969).........................................100 p.pjn........... 200 p.pjn... Trichloroethylene (Z37.19-1967)...............................do.........................do.......... Tetrochloroethyleoe (237.20-1967)...........................do..-..................do............ Toluene (237.12-1967)........................................ 200p.pjtn......... 300p*ja. Hydrogen sulfide (237.2-1966)....................................................... 20 p.pjn. Mercury (237.8-1970.......................................................................1 mg./lQM *. Chromic acid and chromates (Z37.7-1971)........... .'.............................do 600 p.pjn 6 minutes In any 3 hours. 300 p.p.m........... 6 minutes In any 2 hours. ............... do................ 6 minutes In any 3 hours* ___ 500 p.pjn........... 10 minutes. .... 60 p.pjn............. 10 minutes once only IT no other mearnr- able exposure occurs. 1 Occ'toaiiona! exposures to benzene are subject to the requirements of Section 1910.1025 except a. specifically exempted by 5 .'Cti.o 1910.1023UK2). Exposures - erp'.ed ly Section 1910.1025(a)(2) are covered by this Section 1910.1000. ' Footnote to Table Z-2 added at 43 FR 5963, February 10, 1978; entry on Lead deleted from Table Z-2 at 43 1 52952, November 14. 1978, effective February 1, 1979) Table Z-3--Mineral Dusts Substance Mppcf Mg/M* Silica: Crystalline: Quartz (respirable;............ . 260* lOmg/M* * %SiOt+6 %S10,J-5 Quartz (total dust)................ 30mg/M* Crlstobalite: Us# H value calculated from th# count or mass formulae forquartz. Tridymice: Use M th# value calculated from the for* mulae for quartz. Amorphous, including natural dlatomaceous earth............... %S,Oi+2 20* 80mg/M* %S10i Silicates (Jess than 1% crystalline silica): Mica........................... -............ Soapstone.......... ................. . To lc (non-asbestos-fornO... Talc (fibrous). Use asbestos limit .................................... Treinolite (see talc, fibrous) Portland cement........... Graphite (natural)........ ........... Coal dust (respirable traction less than SiOj).......................... For more than SiO>................... 20 20 20* so iS 2.4mg/M* or lOmg/M* or Nuisance Dust: Respirabl* fraction.............. Total dust............................... %SlOrl-2 15 Bme/M* 50 ISmg/lt1 Note: Conversion (actors-- mppc(X25.3-milllon particles per cubic meter -- particles per c.e. * Millions of particles per cubic foot of air. based on Imptnger samptes counted by Ught-field technic*. * The percentage of crystalline silica In the formula Is the amount determined from tlr-bom* samples, ex cept in those Instances in which othermetbqdabeve been shown to be applicable. * As determined by Che membrane filter method at 430Xphase contrast magnification. both concentration and percent quartz for the appli cation of this Umlt are to be determined from the traction passing a ^Ire-selector with the following characteristics: `Containing < \% Quarts; If > l% quartz, use Quartz it. Aerodynamic diameter (unit density sphere) Percent passing selector 2 90 16 75 3.6 50 6.0 25 10 0 The measurements under this note refer to the use of art ADC instrument. It the respirable fraction of coal dust is determined with a MRE the figure corresponding to that ot 1 fKtir&iVlAj iQ'ngrcTMoa]' Mg/M*. . 191 Q.HJtttAsbestos. (a) De/iJlVllWU. i,lUiri ^"tthe purpose of this section, (1) "Asbestos" Includes chrysotile, amoslte, crocldollte, tremolite, anthophyllite, and actlnollte. (2) "Asbestos fibers" means asbestos fibers longer than 5 micrometers. (b) Permissible exposure to airborne concentrations ot asbestos fibers--(1) Standard effective July 7. 1972. The 8-hour time-weighted average airborne concentrations of asbestos fibers to which any employes may be exposed shall not exceed five fibers, longer than 5 micrometers, per cubic centimeter of air, as determined by the method pre scribed in paragraph (e) of this section. (2) Standard- effective July f, 197S. The 8-hour time-weighted.average air borne concentrations of asbestos fitters to which any employee mav 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 scribed In paragraph (e) of this section. (c) Methods ot compliance--(1) En gineering methods. (1) Engineering con trols. Engineering controls, such as, but not limited to, isolation, enclosure, ex haust ventilation, and dust collection, shall be used to meet the exposure limits prescribed in paragraph (b) of thl3 section. (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 Systems, ANSI Z9.2-1971, which Is In corporated by reference herein. (b> See 51910.6 concerning the avail ability of ANSI Z9.2-1971, 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. (III) Particular tools. All hand-op 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, abrasive wheels, and drtils, shall be pro vided with local exhaust ventilation sys tems in accordance with subdivision (11) of this subparagraph. (2) Work practices--(1) Wet methods. Insofar as practicable, asbestos shall be handled, mixed, applied, removed, cut, scored, or otherwise worked in a wet 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. (11) 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 in which they are shipped, without being either wetted, or enclosed, or ventilated so as to prevent effectively the release of airborne asbestos fibers in excess of the limits prescribed in paragraph (b) of this section. (Hi) Spraying, demolition, or removal. Employees engaged In the spraying of asbestos, the removal, or demolition ot 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 ance with paragraph (d) (2) (iii) of this section and with special clothing in ac cordance with paragraph (d> (3) of this section. (d) Personal protective equipment-- (1) Compliance with the exposure limits prescribed by paragraph (b> ot this sec tion may not be achieved by the use of respirators or shift rotation of em ployees, except: (I) During the time period necessary to install the engineering controls and to institute the work practices required by paragraph (c) of this section; (ID In work situations In which the methods prescribed in paragraph (c) of Occupational Safety & Health Reporter [Sac. 1910.1001 (dill )(ii)J 102 PLAINTIFF'S EXHIBIT ASA-610 ASARCO ELP 0000364 TOXIC SUBSTANCES S-131 31:8305 this section are either technically not feasible or feasible to an extent insuffi cient to reduce the airborne concentra tions of asbestos fibers below the limits prescribed by paragraph (b) of this section; or (i:i) In emergencies. (lv) Wriere both respirators and per sonnel rotation are allowed by subdivi sions (i), (ii), or Oii) of this subpara graph, and both are practicable, person nel rotation shall be preferred and used. (2) Where a respirator is permitted by subparagraph (11 of this paragraph, it shall be selected from among those ap proved by the Bureau of Mines, Depart ment of the Interior,'or the National In stitute for Occupational Safety and Health, Department of Health, Educa tion. and Welfare, under the provisions of 30 CFR Part 11 (37 F.R. 6244, Mar. 25, 1972), and shall be used in accordance with subdivisions (i), (il), (iii), and (iv) of this subparagraph. - (i) Air purifying respirators. A reusa ble or single use air purifying respirator, or a respirator described in subdivision iii) or (iii) of this subparagraph, shall be used to reduce the concentrations of airborne asbestos fibers in the respirator below the exposure limits prescribed in paragraph (bV 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 be 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 timeweighted average concentrations of asbestos fibers are.reasonably expected to exceed 10 times, but not-100 .times, those limits. (ill) Type t'C" supplied-air respirators, continuous flow or pressure-demand class. A type "C" continuous flow or pres sure-demand, supplied-air respirator snail be 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 airborne concentra tions of asbestos fibers are reasonably expected to exceed 100 times those limits. (iv) Establishment of a respirator pro gram. (a) The employer shall establish a respirator program in accordance with the requirements of the American Na tional Standards Practices for Respira tory Protection, ANSI Z88.2-1969, which is incorporated by reference herein. b. See 4 1910.6 concerning the avail ability of ANSI Z88.2-1969 and the main tenance of an historic file in connection the safety or health of the employee or ether employees will be impaired by his use of a respirator. Such employee shall be rotated to another job or given the opportunity to transfer to a different po sition whose duties he is able to perform with the same employer, in the same geo graphical area and with the same senior ity. status, and rate of pay he had just prior to such transfer, if such a different position is available. (3) Special clothing: The employer shall provide, and require the use of, spe cial clothing, such as coveralls or similar whole body clothing, head coverings, gloves, and foot coverings for any em ployee exposed to airborne concentra tions of asbestos fibers, which exceed the ceiling level prescribed in paragraph (b) of this section. (4) Change rooms: (i) 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: la) 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 asbestos- contaminated clothing to another person for laundering shall inform su'ch 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 transported in sealed impermeable bags, or other closed, impermeable containers, and labeled in accordance with para graph (g) of this section. (e> Method of measurement. All de terminations of airborne concentrations of asbestos fibers shall be made by the membrane filter method at 400-450 X (magnification) (4 millimeter objective) with phase contrast illumination. <f) Monitoring--(1) Initial determi nations. Within 6 months of the publi cation of this section, every employer shall cause every place of employment where asbestos fibers are released to be monitored in such a way as to determine whether every employee's exposure to asbestos fibers is below the limits pre scribed in paragraph (b) of this sec tion. If the limits are exceeded, the em ployer shall immediately undertake a compliance program in accordance with paragraph (c) of this section. 12) Personal monitoring--(1) Sam (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 em ployees. In no case shall the sampling be done at intervals greater than 6 months for employees whose exposure to asbestos may reasonably be foreseen to exceed the limits prescribed by paragraph (b) of this section. (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 8hour time-weighted average airborne concentrations and.of the celling 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 ltvjls 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 trie records thereof. (g) Caution signs and labels. (1) Cau tion signs, (i) Posting. Caution signs shall be provided and displayed at each location where airborne concentrations of asbestos fibers may be in excess of the exposure limits prescribed in paragraph (b) of this section. Signs shall be posted at such a distance from such a location so that an employee may read the signs and take necessary protective steps be fore entering the area marked by thesigns. Signs shall be posted at all ap proaches to areas containing excessive concentrations of airborne asbestos fibers. (ii). Sign specifications. The warning signs required by subdivision (0 of this subparagraph shall conform to the re quirements of 20" x 14"- vertical format signs specified in 1910.145(d)(4), and to this subdivision. The signs shall dis play the following legend in the lower panel, with letter sizes and styles of a visibility at least equal to that specified in this subdivision. Legend Notation Asbestos_______ ___ ____ -- I" Sans Serif, Gothic or therewith. The address of the American ples shall be collected from within the Block. National Standards Institute is given in 5 1910.100. (c)No employee shall be assigned to tasks requiring the use of respirators if, based upon his most recent examination, breathing zone of .the employees, on membrane filters of 0.8 micrometer po rosity mounted in an open-face filter holder. Samples shall be taken for the determination of the 8-hour time- Duit Hazard_____________ Avoid Breathing Dust-- Wear Assigned Protective Equipment. * Sans Serif. Gothic or Block. % ".Gothic. % " Gothic. an examining physician determines that weighted average airborne concentra Do Not Remain In Area ft" Gothic. the employee will be unable to function tions and of the ceiling concentrations of Unless Tour Work Re normally wearing, a respirator, or that asbestos fibers. quires It. [Sec. 1910.1001 (g)(1) (iii 1 11-16-78 Published by THE BUREAU OK NATIONAL AFFAIRS, INC., WASHINGTON, D.C. 20037 189 ASARCO ELP 0000365 31:330S Zzl 'V ERENCE FILE Legend. Natation (J) Medical examinations--(1) Gen Bi Asbestoe Dust 14 point Gothic.' Mr, Be Hezixdoue To Your Health. eral. The employer shall provide or make available at his cost, medical examina tions relative to exposure to asbestos re veins between line.; shall be at least quired by this paragraph. 1 to the height of the upper of any (2) Preplacement. The employer shall v . lines. provide or make available to each of his (2) Caution, iabels--Cl) Labeling. Cau employees, within 30 calendar days fol tion labels shall be affixed to all raw lowing his first employment in an materials, mixtures, scrap, waste, debris, occupation exposed to rirborne con and other products containing asbestos centrations of asbestos fibers, a compre fibers, or to their containers, except that hensive medical examination, which shall no label is required where asbestos fibers include, as a minimum, a chest roent have been modified by a bonding agent, genogram (posterlef'-anterior J4 y. it. coating, binder, or other material so that Inches), a history to elicit symptom during any reasonably foreseeable use, atology of respiratory disease, and handling, storage, disposal, processing, or pulmonary function tests to include transportation, no airborne concentra forced vital capacity (FVC) and forced tions of asbestos fibers in excess of the expiratory volume at 1 second (FEVYo). exposure limits prescribed in paragraph (b) of this section will be released. tii) Label specifications. The caution labels required by subdivision (1) of this subparagraph shall be printed In letters of sufficient size and contrast as to be readily visible and legible. The label shall state: Caution (3) Annual examinations. On or be fore January 31, 1973, and at least an nually thereafter,- every employer shall provide, or make available, comprehen sive medical examinations to each of his employees engaged in occupations ex posed to airborne concentrations of as bestos fibers. Such annual examination shall Include, as a minimum, a chest Contains Asbestos Fibers roentgenogram (nostenor-anterior 14 x Avoid Creating nst .17 inches), a history to elicit symptom Breathing Asbestos Oust May Cause atology of respiratory disease, and Serious Bodily Harm pulmonary function tests to include (h> Housekeeping--(1) Cleaning. All forced vital capacity (FVC) and forced external surfaces in any place of employ expiratory volume at 1 second (FEV),.). ment shall be maintained free of accu mulations of asbestos fibers if, with their dispersion, there would be an excessive concentration. (4) Termination of employment. The employer shall provide, or make avail able, within. 30 calendar days before or after the termination of employment of (2) Waste disposal. Asbestos waste, any employee engaged In an occupation scrap, debris, bags, containers, equip- exposed to airborne concentrations of t, and asbestos-contaminated cloth- asbestos fibers, a comprehensive medical consigned for disposal, which may examination which shall Include, as a produce In any reasonably foreseeable minimum-, a chest roentgenogram (pos ise, handling, storage, processing, dis terior-anterior 14 x 17 Inches), a history posal. or transportation airborne concen to elicit symptomatology of respiratory trations of asbestos fibers in excess of the disease, and pulmonary function tests exposure limits prescribed in paragraph to include forced vital capacity (FVC) (b) of this section shall be collected and and forced expiratory volume at I second disposed of in sealed impermeable bags, (FEV,.,). or other closed, impermeable containers. (1) Recordkeeping--(1) Exposure rec ords. Every employer shall maintain rec ord of any personal or environmental r toring required by this section. Reco._, shall be maintained for a period of at least 20 years and shall be made avail (5> Recent examinations. `No medical 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. able upon request to the Assistant Sec retary of Labor for Occupational Safety and Health, the Director of the National Institute for Occupational Safety and Health, and to authorized representa tives of either. (1910.1001(0(1) amended at 41 FR 11S05, Match 19, 1976) (6) Medical records--(i) Mainte nance. Employers of employees examined pursuant to this paragraph shall cause to be maintained complete and accurate records of all such medical examina tions. Records- shall be retained by employers for at least 20 years. (2) Employee access. Every employee and former employee shall have reason able access to any record required to be maintained by subparagraph (1) of this paragraph, whlcn Indicates the em ployee's own exposure to asbestos fibers. (3) Employee notification. Any em ployee found to have been exposed at any time to 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- as soon as practicable but not later (ii) Access. The contents of the rec ords of the medical examinations required by this paragraph shall be made available, for Inspection and copying. to the Assistant Secretary of Labor for Oc cupational Safety and Health, the Director of NIOSH, to authorized physicians and medical consultants of either of them, and upon the request of an employee or former employee, to his physician. Any physician who conducts a medical examination required by this paragraph shall furnish to the employer of the examined employee all the information 5 days of the finding. The employee specifically required by this paragraph, and shall also be timely notified of the cor any other medical information related to oc rective action being taken. cupational exposure to asbestos fibers. (Section 1910.93a added at 36 FR 23207, December 7, 1971, as emergency temporary standard; issued as permanent standard at 37 FR 11318, June 7, 1972, effective July 7,1972; redesignated Section 1910.1001 at 40 FR 23072, May 28. 19751 1910.1002 Coal tar pitch volatiles; in terpretation of term. As used in See. 1910.1000 (Tabic Z-I), coal tar pitch volatiles include the fused poly cyclic hydrocarbons which volatilize from the distillation residues of coal, petroleum, wood, and other organic mat ter. (37 FR 24749 Effective November 21, 1972] 1910.1003 4-Nitrobiphenyi. (a) Scope and application. (1) This section applies to any area in which 4-Nitrobiphenyl, Chemical Abstracts Service Registry Number 92933 is manu factured, processed, repackaged, re leased, handled, or stored, but shall not apply to transshipment in sealed con tainers, except for the labeling require ments under paragraphs (e) (2), (3), and (4) of this section. (2) This section shall not apply to solid or liquid mixtures containing less than 0.1 percent by weight or volume of 4-Nitrobiphenyl, (b) Definitions. For the purposes of this section: (1) "Absolute filter" 1s one capable of retaining 99.97 percent of a mono disperse aerosol of 0.3 pm particles. (2) "Authorized employee" means an employee whose duties require him to be in the regulated area and who has been specifically assigned by the employer. (3) "Clean change room" means a room where employees put on clean clothing and/or protective equipment In an environment free of 4-Nitrobiphenyl. The clean change room shall be con tiguous to and have an entry from a shower room, when the shower room facilities are otherwise required in this section. (4) "Closed system" means an opera tion Involving 4-Nitrobiphenyl where containment prevents the release of 4Nitrobiphenyl Into regulated areas, nonregulated areas, or the external environ ment. (5) "Decontamination" means the in activation of 4-Nitrobiphenyl or Its safe disposal. (6) "Director" means-the Director, National * Institute for Occupational Safety and Health, or any person di rected by him or the Secretary of Health, Education, and Welfara to act for the Director. (7) "Disposal" means the safe re moval of 4-Nltroblphenyl from the work environment. (8) "Emergency" means an unforseen circumstance or set of circumstances re sulting in the release of 4-Nitrobi'phenyl which may result in exposure to or con tact with 4-Nitrobiphenyl. (9) "External environment" means any environment external to regulated and nonrsgulated areas. (10) "Isolated system" means a fully enclosed structure other than the vessel of containment of 4-Nltrobiphenyl, Occupational Safety A Health Reporter [Sac. 1910.1003(b) (1011 ISO ASARCO ELP 0000366 TOXIC SUBSTANCES 31:3307 which Is Impervious to the passage of 4- phenyl is contained in an otherwise (2) Emergencies. In an emergency, Nicrobiphenyl, and which would prevent "closed system," but is transferred, immediate measures including, but not the entry of 4-Nitroblphenyl into reg charged, or discharged into other nor limited to, the requirements of subdivi ulated areas, nonregulated areas, or the mally closed containers, the provisions sions (i), (ii), (iii), (iv). and (v) of this external environment, should leakage or of this subparagraph shall apply. (1) Ac subparagraph shall be implemented, (i) spillage from the vessel of containment cess shall be restricted to authorizedi em The potentially affected area shall be occur. ployees only; . evacuated as soon as the emergency has (11 > "Laboratory type hood" Is a (ii) Each operation shall be provided been determined. device enclosed on three sides and the with continuous local exhaust ventila (Ii) Hazardous conditions created by top and bottom, designed and maintained tion so that air movement is always from the emergency shall be eliminated and so as to draw air inward at an average ordinary work areas to the operation. Ex the potentially affected area shall be de linear face velocity of 150 feet per min ute with a minimum of 125 feet per min ute; designed, constructed, and main tained in such a way that an operation involving 4-Nitrobiphenyl within the hood does not require the insertion of any portion of any employees' body other than his hands and arms. haust air shall not be discharged to regu lated areas, nonregulated areas or the external environment unless decontami nated. Clean makeup air shall be intro duced- in sufficient volume to maintain the correct operation of the local exhaust system. (iii) Employees shall be provided with, contaminated prior to the resumption of normal operations. (iii) Special medical surveillance by a physician shall be instituted within 24 hours for employees present In the po tentially affected area at the time of the emergency. A report of the medical sur veillance and any treatment shall be in (12) "Nonregulated area" means any area under the control of the employer where entry and exist is neither restricted nor controlled. (13) "Open-vessel system" means an operation involving 4-Nitroblphenyl in an open vessel, which is not in an isolated' system, a laboratory type hood, nor in any other system affording equivalent and required to wear, clean, full body protective clothing (smocks, coveralls, or long-sleeved shirt and pants), shoe cov ers and gloves prior to entering the regu lated area. (iv) Employees engaged in 4-Nitrobi phenyl handling operations shall be pro vided with and required to wear and use a half-face, filter-type respirator for cluded In the Incident report, in accord ance with paragraph (f)(2) of this section. (Iv) Where an employee has a known contact with 4-Nitrobiphenyl such em ployee shall be required to shower as soon as possible, unless contraindicated by physical injuries. (v) An incident report on the emer protection against the entry of 4-Nitro dusts, mists, and fumes, in accordance gency shall be reported as provided in biphenyl into regulated areas, non with 9 1910.134. A respirator affording paragraph (fX(2) of this section. regulated areas, or the external environ ment. (14) "Protective clothing" means clothing designed to protect an employee against contact with or exposure to 4Nitrobiphenyl. (15) "Regulated area" means an area where entry and exit is restricted and controlled. (c) "Requirements for areas contain ing 4-Nitrobiphenyl." A regulated area shall be established by an employer where 4-Nitrobiphenyl is manufactured, processed, used, repackaged, released, handled or stored: All such areas shall be controlled in accordance with the re quirements for the following category or categories describing the operation in volved: (1) Isolated systems. Employees working with 4-Nitrobiphenyl within an isolated system such as a "glove box" shall wash their hands and arms upon completion of the assigned task and be fore engaging in other activities not as sociated with the isolated system. higher levels of protection may be sub stituted. (v) Prior to each exit from a regulated area, employees shall be required to re move and leave protective clothing and equipment at the point of exit and at the last exit of the day, to place used cloth ing and equipment in impervious con tainers at the point of exit for purposes of decontamination or disposal. The con tents of such impervious containers shall be Identified, as required under para graphs (e) (2), (3), and (4), of this section. (vi) Employees shall be required to wash hands, forearms, face and neck on each exit from the regulated area, close (3) 'Hygiene facilities and practices. (i) Storage or consumption of food, stor age or use of containers of beverages, storage or application of cosmetics, smoking, storage of smoking materials, tobacco products or other products for chewing, or the chewing of such prod ucts, are prohibited in regulated areas. , (ii) Where employees are required by this section to wash, washing facilities shall be provided in accordance with 9 1910.141(d) (1) and (2) (ii) through (vtt). (iii) Where employees are required by this section to shower, shower facilities shall be provided in accordance with to the point of exit, and before engaging 9 1910.141(d)(3). in other activities. 'iv) Where employees wear protective (vii) Employees shall be required to clothing and equipment, clean change shower after the last exit of the day. rooms shall be provided, in accordance (vill) Drinking fountains are prohib with 5 1310.141(e), for the number of ited in the regulated area. . such employees required to change (5) Maintenance and decontamination clothes. activities. In cleanup of leaks or spills, (v> Where toilets are in regulated maintenance or repair operations on con areas, such toilets shall be in a separate (2) Closed system operation. Within regulated areas where 4-Nltrobiphenyl is stored in seated containers, or contained in a closed system. Including piping sys tems, with any sample ports or openings taminated systems or equipment, or any room. , derations involving work in an area (4) Contamination control. (1) Regu where direct contact with 4-Nitrobl- lated areas, except for outdoor systems, phenyl could result, each authorized em shall be maintained under pressure nega ployee entering that area shall: (i) Be tive with respect to nonregulated areas. closed while 4-Nitrobiphenyl is contained provided with and required to wear clean, Local exhaust ventilation may be used within: (1) Access shall be restricted to impervious garments. Including gloves, to satisfy this requirement. Clean makeup authorized employees only; (ii)Employees shall- be required to wash hands, forearms, face and neck upon each exit from the regulated areas, close to the point of exit and before en gaging in other activities. (3) Open vessel system operations. Open vessel system operations as defined fn paragraph (b) (13) of this section are prohibited. (4) Transfer from a closed system, charging or discharging point operations, or otherwise opening a closed system. In operations involving "laboratory type hoods," or in locations where 4-Nitrobl boots and continuous-air supplied hood In accordance with 91910.134. (11) Be decontaminated before remov ing the protective garments and hood; (ill) Be required to shower upon re moving the protective garments and hood. (Editor's Note: Section 1910.1003(c)(6) deleted at 41 FR 35184, August 20, 19761 (d) General regulated area re quirements--(I) Employee identifica tion. [Revoked] [Section 1910.1003(d)(1) revoked at 43 FR 49726, October 24, 1978, effective November 24, 19781 air in equal volume shall replace air removed. (Ii) Any equipment, material, or other Item taken into or removed from a regu lated area shall be done so in a manner that does not cause contamination in nonregulated areas or the external environment. (iii) Decontamination procedures shall be established and implemented to re move 4-Nitroblphenyl from the surfaces of materials, equipment and the decon tamination facility. (iv) Dry sweeping and dry mopping are prohibited. ISac. 1910.1003(d)(4)(iv)l 11-16-78 Published by THE BUREAU OF NATIONAL AFFAIRS, INC., WASHINGTON, D.C. 20037 19) ASARCO ELP 0000367 31:8'08 REFERENCE FILE (e> Signs, information and training-- (a) The nature of the carcinogenic haz surveillance program implemented; and (i) Signs. (1) Entrances to regulated areas shall be posted with, signs bearing the legend: Cancer-Suspect Agent Authorized Personnel Only (ii) Entrances to regulated areas con taining operations covered in paragraph (c) (5) of this section shall be posted with signs bearing the legend: Cancer-Suspect Agent Exposed in This ards of 4-Nitrobiphenyl, including local and systemic toxicity; (b) The specific nature of the opera tion involving 4-Nitrobiphenyl which could result In exposure; (c) The purpose for and application of the medical surveillance program, including, as appropriate, methods of self-examination; (d) The purpose for and application of decontamination practices and pur id) An analysis of the circumstances of the incident, and measures taken or to be taken, with specific completion dates, to avoid further similar releases. (g) Medical surveillance. At no cost to the employee, a program of medical surveillance shall be established and im plemented for employees considered for assignment to enter regulated areas, and for authorized employees. (1) Examina tions. (i) Before an employee Is assigned Area poses: to enter a regulated area, a preassign Impervious Suit Including Gloves, (e) The purpose for and significance ment physical examination by a physi Boors, and Air-Supplied Hood Re of emergency practices and procedures; cian shall be provided. The examination quired at all Times (/) The employee's specific role in shall include the personal history of the emergency procedures; Authorized Personnel Only (g) Specific Information to aid the em (til) Appropriate signs and instruc ployee in recognition and evaluation of tions shall be posted at the entrance to, conditions and situations which may re and exit from, regulated areas, inform sult in the release of- 4-Nitrobiphenyl: ing employees of the procedures that (ft) The purpose for and application must be followed in entering and leaving of specific first aid procedures and prac a regulated area. tices; (2) Container contents identification. (i) A review of this section at the em (1) Containers of 4-Nitrobiphenyl and ployee's first training and indoctrination containers required under paragraphs program and annually thereafter. <c) (4) (v) and (c) (6) <vil) (b), and <c) (Ii) Specific emergency procedures (6) (viii) (b) of this section which are shall be prescribed, and posted, and em- accessible only to, and handled only by, oloyees, shall be familiarized with their authorized employees, or by other em terms, and rehearsed in their application. ployees trained in accordance with subparagraph (5) of this paragraph, may have contents identification limited to a generic or proprietary name, or other proprietary identification, of the carcino gen and percent. (iii) All materials relating to the pro gram shall be provided upon request to authorized representatives of the Assist ant Secretary and the Director. (f) Reports--(1) Operations. Not later than March 1, 1974, the information re (ii) Containers of 4-Nitrobiphenyl and quired in subdivisions (i), (ii), (iii). and employee, family and occupational back ground, including genetic and environ mental factors. (ii) Authorized employees shall be provided periodic physical examinations, not less often than annually, following the preassignment examination. (Hi) In all physical examinations, the examining physician shall consider whether there exist conditions of In creased risk, including reduced immu nological competence, those undergoing treatment with steroids or cytotoxic agents, pregnancy and cigarette smoking. (2) Records, (i) Employers of em ployees examined pursuant to this para graph shall cause to be maintained com plete and accurate records of all such medical examinations. Records shall be maintained for the duration of the em ployee's employment. Upon termination of the employee's employment, including containers required under paragraphs (c)(4)(v), (c) (6) (vil) (b), and (c)(6) (viii) (b )of this section which are acces- ;ible to, or handled by .employees other (iv) of this subparagraph shall be re retirement or death, or in the event that ported in writing to the nearest OSHA the employer ceases business without a Area Director. Any changes in such in successor, records, or notarized true formation shall be similarly reported in copies thereof, shall be forwarded by than authorized employees or employees trained in accordance with subparagraph writing within 15 calendar days of such, registered mail to the Director. change, (i) A brief description and in- (ii) Records required by this para (5) of this paragraph shall have contents plant location of the area(s) regulated graph shall be provided upon request to Identification which Includes the full and the address of each regulated area; authorized representatives of the As chemical name and Chemical Abstracts (ii) The name(s) and other identify sistant Secretary or the Director; and Service Registry number as listed in ing information as to the presence of upon request of an employee or former paragraph (a) (1) of this section. 4-Nitrobiphenyl in each regulated areas employee, to a'physician designated by (iii) Containers shall have the warn (iii) The number of employees in each the employee or to a new employer. ing words "CANCER-SUSPECT AGENT", regulated area, during normal operations (ill) Any physician who conducts a displayed immediately under or adjacent including maintenance activities and medical examination required by this to the contents Identification. (iv) The manner in which 4-Nitro paragraph shall furnish to the employer (iv) Containers which have 4-Nitro- biphenyl is present in each regulated a statement of the employee's suitabil liphenyl contents with corrosive or irri area; e.g. whether it is manufactured, ity for employment in the specific tating properties shall have label state processed, used, repackaged, released, exposure. ments warning of such hazards, noting, stored, or otherwise handled. if'appropriate, particularly sensitive or (2) Incidents. Incidents which result 1910.1004 alpha-Naphthylamine. affected portions of the body. (3) Lettering. Lettering on signs and Instructions required by subparagraph (l) shall be a minimum letter height of 2 Inches. Labels on containers required under this section shall not be less than !4 the size of the largest lettering on the package, and not less than 8 point type in any instance. Provided, That no such required lettering need be more than 1 inch In height. (4) Prohibited statements. No state ment shall appear on or near any re quired sign, label, or Instruction which contradicts or detracts from the effect of any required warning. Information or instruction. (5) Training and- indoctrination. (1) in the release of 4-NItrobiphenyl into any area where employees may be potentially exposed shall be reported in accordance with this subparagraph, (i) A report of the occurrence of the in cident and the facts obtainable at that time including a report on any medical treatment of affected employees shall be made within 24 hours to the nearest OSHA Area Director. <Ii) A written report shall be filed with the nearest OSHA Area Director within 15 calendar days thereafter and shall in clude; (a) A specification of the amount of material released, the amount of time involved, and an explanation of the pro cedure used in determining this figure; (b) A description of the area involved, and the extent of known and possible (a) Scope and application. (I) This section applies to any area in which alpha-Naphthylamine, Chemical Ab stracts Service Registry Number 134327 is manufactured, processed, repackaged, released, handled, or stored, but shall not apply to transshipment in sealed containers, except for the -labeling re quirements under paragraphs (e)(2), (3), and (4) of this section. (2) This section shall not apply to solid or liquid mixtures containing less than 1.0 percent by weight or volume of alpha-Naphthylamine. (3) This section will not apply to oper ations involving the destructive distilla tion of carbonaceous materials, such as occurs in coke ovens. Each employee prior to being authorized employee exposure and area contamina (b) Definitions. For the purposes of to enter a regulated area, shall receive tion. and this section: (1) "Absolute filter'' is one a training and Indoctrination program (c) A report of any medical treatment capable of retaining 99.97 percent of a including, but not necessarily limited to: of affected employees, and any medical mono disperse aerosol of 0.3 pm particles. Occupational Safaty & Health Reporter [Sc. 1910.1004(b 1(1)1 192 ASARCO ELP 0000368