Document 3J1QBz5EdNQDbRQMBoQrw7oMJ
RULES AND REGULATIONS
23543
Taxuc 0-2
Material
(-boar time wtilhttd >Tin|i
Acceptable calling
concentration
Acceptable maximum peak abort
thf eccipubi. ceillnj concentzv
Hon (or in l-boar abut.
--
.......... .
-
Conetstntion
Maximum
dnntton
"JUfc:Braunt (Z27A-1969).......... ..........................10 p.pjn_____
Berr111am ind beryllium compound*
...
.. 60 p.pjn_______ lOminnUi. .. MaC-ZM1..20 minute*.
(ZI7.39-1970). Cadmium fam*
(217.1-1970)______
........
0.1
miJM*__
._-------------
Cadmium duit (ZJ7.5-1070)........... .
0.2m*./M> _0.6 rnsJU1___
Carbon dlnllldt (227.2-1966).............. 20 p.pjn........ go p.pjs______ 100 p.pjn...........
Do.------
Carbon tetrachloride (227.17-1967)......... 10 p.pjn. ..rzsp.p3snTMI. 200 p.pjn______ 6 minute* In
any 4 hour*.
Xthylme dlbromlda (22741-1370).
20 p.pjn.
go p.pjn.... .. 60p.p.m_______ Imtnates.
Ethylene dlchlortdt (237.21-1969)
60 p.pjn.
100 p.pjn.. _. 200 p.pjn______ I mlnatti in
any I hoar*.
Formaldehyde (237.16-1967)............... ..........3 p.pjn--.--.. p.pjn............. .. 10 p.pjn_______ 20zslntitM.
Hydrocan flnoride (Z37.28-1969).....___ ______ do_______--................
Fluortda u dull (Z37JS-1969)...................... 2.5 me./M*.-------------------------------
Lead end lte Inorganic compound* (ZS7.li- 0.2m(./M>_____--..............
1060).
__
Methyl chloride (Z37J2-196B)....................... 100 p.pjn.......... 200 p.p.m---------- .. 200 p.pjn______ imlnatailn
any 3 hour*.
Methylene chloride (ZSTA-1960).........
Otgino (elkyl) tnerenry (23740-1966) Stynu 02706-1000)...........................
600 p.p-m......... 1,000 p.pjn.
aoi m*./M * 0.04 miJtt .
100 p.pjn____ 300 p.pjn--
.. 2,000 p.pjn........fminnttsln any 2 hoar*.
" ioopiir::"": Iminute*In any 3 hoar*.
Trlebloroitliylim (227.10-1907)_____
....... do_________-do___ ...
.. 300p.pjn...........6 minutes In any 2 boar*.
Tecrachloroethylene (237.22-1967)___
_ do_____________ do___...
_____ .do____._____j minutes In any 3 hour*.
Tolaini (237.12-1067)..................................... 200 p.pjn........ 200 p.pjn. Hydrotin eulfld* (Z37-2-1966).................................................. 20 p.pjn.
... 600 p.pjn............10 minutes. ... 60 p.pjn..___ _ 10 minatas one*
only If no
other measur
able exposure
ocean.
Mercury (Z37.2-107D.................................................................1 miJlOM.
Chromic add and chromate* (237.7-1971)................................... -do*....
Tabu 0-3--Mornui. Dost*
Subttanca
Mppcf U(/M>
Aerodynamic diameter (unit density sphere)
Percent passing selector .
9111c*: CmtalUue: Quirts (respirable)..__ ....
250 '
%S10ri-S Quirts (totil dust)...,_____
Cristobillte: Uu M the value calculated from the count or suss formulae tor quartz.
Tndymite: Use M tbe value calculated from the for mulae for quarts.
Amorphous, including natural dlatomaceous earth.,....
20
lOmg/M' %S10r+2 30mg/M' %SiOi+2
SOmg/M*
2 90 15 75 3.5 60 5.0 2S K> 0
Tbe measurements under this note refer to the nse of an AEC instrument. If tbe respirable fraction of coal dost is determined erlth a 61RE the figure corresponding to that ol 2.4 Mg/M' in the table for coal dust is 4A Mg/M*
4910.9341 lUbeatoa. () definitions. Tor the purpose of
this section, (1) "Asbestos" Includes chrysotile. amosite, crocidolite, tremo-
%SiOi Ute, anthophylllte, and actinollte.
Silicates (less than \% erys* Ulllne silica): Mica....................................... Soapstone...................... . Talc (non-asbestos-form)...
Talc (fibrous). Use asbestos
20 20 20*
(2) `^Asbestos -fitWTs" means asbestos fibers longer than 5 micrometers.
(b), J66ilWWiHiiBt^j`j.aiiiii-e to airborne concentrations of asbestos fibers--(X) Standard effective July 7, 1972. The
TnmoilU (see talc, fibrous) Portland cement........... Graphite (natural)................ . Coal dust (respirable fraction kai than 5% SiOt).................
Far mon than 6% 810,.
8-hour time-weighted average airborne 90 concentrations of asbestos fibers to ia which any employee may be exposed
1.4mg/M* shall not exceed five fibers, longer than or 5 micrometers, per cubic centimeter of VOwg/W air, as determined by the method pre
Inert or Nuisance Doit:
Respirable fraction.........
Total dost.
........
%SIOj+2 scribed in paragraph (e) of this section.
16 60
6m(/M> (2) JStanJUiMmjnBtice^ulv 1. 1976. lSmc/M> The 8-hour time-weighted average air
borne concentrations of asbestos fibers
Non: Conversion factor*-- mppeIXSSA-mlllion particles per cable meter
-particles per ojO. Millions of particles per cable Coot of sir, based on Impinger samples coanted by light-field technics. ' The percenters of crystslliaa silica In the tormola Is the amount determined from alr-bome samples, ex cept In those Instances In which other methods hare been shown to be applicable.
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
I As determined by the membrane filter method at 30xpbese contrast macnification.
Both concentration and percent quart! for the appli cation ol this limit are to be determined bom the friction passtnf a sixe-selector with the lollowma characteristics:
Contalolnt < 1% quartz; If > 1% quarts, use qosrtz limit.
ployee shall be exposed at any time to airborne cencentratlons 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 of 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 this 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 i 19X0.6 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 ! 1910.100.
(ill) Particular tools. All band-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 drills. hil be pro vided with local exhaust ventilation sys
tems in accordance with subdivision (11) of this subparagraph.
(2) JWmdwnemm >^<1) Wet methods. Insofar as practicable, asbestos -than 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.
(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 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. (ill) Spraytng.demclition.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 ance with paragraph (d) (2) Clii) of this
section and with special clothing in ac cordance with paragraph (d) (3) of this section.
(d)^erso>uiZ 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:
(i) During the time period necessary to install the engineering controls and to institute the work practices required
by paragraph (c) of this section;
FEDERAL REGISTER, VOL 39, NO. I2S--THURSDAY, JUNE 27, 1974 .
1416,3v b 2.-
'/_ O.S bc/te*
r*
<>Ve^ C 003267
23544
RULES AND REGULATIONS
01) In work situations in which the (c> No employee shall be assigned to (2) Personal monitoring--(i) Sam
methods prescribed in paragraph (c) of 'tasks requiring the use of respirators if, ples shall be collected from within the
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 token for the
prescribed by paragraph (b) of this the safety or health of the employee or determination of the 8-hour time-
section: or
other employees will be impaired by his weighted average airborne concentra
(111) In emergencies.
use of a respirator. Such employee shall tions and of the ceiling concentrations of
(iv) Where both respirators and per be rotated to another Job or given the asbestos fibers.
________________
sonnel rotation are allowed by subdivi opportunity to transfer to a different po (ii) Sampling frequency and patterns.
sions (1). (11). or (ill) of this subpara sition whose duties he is able to perform After the initial determinations required
graph, and both are practicable, person with the same employer, in the same geo by subparagraph (l)-ef-this paragraph,
nel rotation shall 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
subparagraph (1) 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
ity, status, and rate of pay he had Just prior to such transfer, if such a different
position is available. (3>JBPMialSMHIlll9i^- The employer
shall provide, and require the use of, spe cial clothing, such as coveralls or similar
whole body clothing, bead coverings,
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)
tion. and Welfare, under the provisions of gloves, and foot coverings for any em of this section.
30 CFR Part 11 (37 PH. 6244. Mar. 25, 1S72), and shall be used in accordance with subdivisions (1),- (11), (111), and (lv) of this subparagraph.
(i) Airpurifying respirators. A reusa ble or single use air purifying respirator, or a respirator described in subdivision (11) or (ill) of this subparagraph, shall be used to reduce the concentrations of airborne asbestos fibers in the respirator below the exposure limits prescribed in paragraph (b) 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 till) 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.
(iii) Type "C" supplied-air respirators,
continuous flow or pressure-demand
class. A type "C" continuous flow or pres sure-demand. supplied-air respirator 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 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.
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: (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
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
(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 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.
(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 the signs. 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 (i) of this subparagraph shall conform to the re quirements of 20" x 14" vertical format
(b) See f 1910.6 concerning the avail asbestos fibers is below the limits pre signs specified in f 1910.145(d)(4), and
ability of ANSI Z88.2-1969 and the main scribed in paragraph (b) of this sec to this subdivision. The signs shall dis
tenance of an historic file.in connection tion. If the limits are exceeded, the em play the following legend in the lower therewith. The address of the American ployer shall immediately undertake a panel, with letter sizes and styles of a
National Standards Institute is given in compliance program in accordance with visibility at least equal to that specified
i 1910.100.
paragraph (c) of this section.
in this subdivision.
FEDERAL REGISTER, VOL. 39, NO. 125--THURSDAY, JUNE 27, 1974
C 003268
RULES AND REGULATIONS
23545
Legend liMtoi__ ------- ------ -
Duct Hazard.
Notation 1 sane Sent,
Oothle or Block. K" Sana SerU, Oothle or Block.
paragraph, which 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
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
Avoid Breathing Dual...
Gothic.
scribed in paragraph (b) of this section cian. Any physician who conducts a
Waar Assign*! Protective Xqulpmtnt.
Do Not Remain In Area Unleu Tour Work Bequlrwlt.
Biaathlng Aabeetoe Duat May Be Hazardous To Tour Health.
%" Gothic. V4" Gothic.
14 point Gothic.
shall be notified in writing of the expo sure as soon as practicable but not later than 5 days of the finding. The employee shall also be timely notified of the cor rective action being taken.
(J) Medical examinations--(1) Gen
eral. The employer shall provide or make
medical examination required by th<c paragraph shall furnish to the employer
of the examined employee all the infor mation specifically required by this paragraph, and any other medical in
formation related to occupational'ex posure to asbestos fibers.
Spacing between lines shall be at least
equal to the height of the upper of any
two lines.
(2) OckHok label*--(i) Labeling. Cau
tion labels shall be affixed to all raw
materials, mixtures, scrap, waste, debris,
and other products containing asbestos
fibers, or to their containers, except that
no label is required where asbestos fibers
have been modified by a bonding agent,
coating, binder, or other material so that
during any reasonably foreseeable use.
handling, storage, disposal, processing, or
transportation, no airborne concentra
tions of asbestos fibers in excess of the
exposure limits prescribed in paragraph
(b) of this section will be released.
(il) Label specifications. The caution
labels required by subdivision (i) of this
subparagraph shall be printed in letters
of sufficient size and contrast as to be
readily visible and legible. The label shall
state:
* Csunoir
Contains Asbestos Tiber*
Avoid Creating Dust
Breathing Asbestos Dust Hay 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.
(2) Waste disposal. Asbestos waste, scrap, debris, bags, containers, equip
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, or other dosed, impermeable containers.
(.U^&ecordkeeptng--(1) Exposure rec ords. Every employer shall maintain rec
available at his cost, medical examina
tions relative to exposure to asbestos re
quired by this paragraph.
(2) Preplacement. The employer shall
provide or make available to each of his employees, within 30 calendar days fol
lowing his first employment in an
occupation exposed to tirbome con centrations of asbestos fibers, a compre
hensive medical examination, which shall include, as a minimum, a chest roent genogram (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 (FEVL,).
(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 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 (FEVj.,).
(4) Termination of employment. The
employer shall provide, or make avail able, within 30 calendar days before or after the termination of employment of any employee engaged in an occupation
exposed to airborne concentrations of 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,).
(5) Recent examinations. No medical examination is required of any em ployee, if adequate records show that
1910.93b Coal tar pitch volatile*; in terpretation of term.
As used in 81910.93 (Table 0-1), 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.
(See. 8(g). 84 Stat. 1600, 29 UH.C. 657) [37 TR 24749, Nov. 21,1972]
1910.93c 4-Nitrobiphenyl.
(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 trans-shipment 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" is one capable of retaining 99.97 percent of a mono disperse aerosol of 0.3 um 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
ords of any personal or environmental monitoring required by this section. Rec
ords shall be maintained for a period of
the employee has been examined in ac
cordance with this paragraph within the past 1-year period.
activation of 4-Nitrobiphenyl or its safe disposal.
(6) "Director" means the Director.
at least 3 years and shall be made avail (6) Medical records--(l) Mainte National Institute for Occupational
able upon request to the Assistant Secre nance. Employers of employees examined Safety and Health, or any person di
tary of Labor for Occupational Safety pursuant to this paragraph shall cause rected by him or the Secretary of Health,
and Health, the Director of the National to be maintained complete and accurate Education, and Welfare to act for the
Institute for Occupational Safety and records of all such medical examina Director. Health, and to authorized representa tions. Records shall be retained by (7) "Disposal" means the safe re
tives of either.
employers for at least 20 years.
moval of 4-Nitrobiphenyl from the work
(2) Employee access. Every employee (11) Access. The contents of the rec environment.
and former employee shall have reason ords of the medical examinations (8) "Emergency" means an unforeseen
able access to any record required to be required by this paragraph shall be made circumstance or set of circumstances re
maintained by subparagraph (1) of this available, for inspection and copying. sulting in the release of 4-Nitrobiphenyl
003269FEDERAL IEGISTER, VOL 39, NO. 125--THURSDAY, JUNE 27, 1974 ^
<\\