Document Ra8EEbD3G1qjy21zq9nYq0JGa
MEMORANDUM
San Francisco, California July 27, 3972
TF f
OSHA ASBESTOS STANDARD
TO ALL SAFETY ENGINEERS:
The "permanent" standard for exposure to asbestos fibers vas pub3ished in the June 7, 1972 Federal Register. A copy of that publication and the Environmental Health and Toxicology Section's detailed summary is attached. To briefly high light the standard:
3. The permissible tine-weighted average concentration will remain at 5 flbers/cc until 7/l^76, when it vil3 drop to 2 fibers/cc. The maximum permissible concentration for any period of time is 10 fibers fee.
2. Engineering controls ''shall be used to meet the exposure limits." The use of respirators is limited to the time necessary to install controls, where adequate control is not feasible, or in emergencies.
1
3. For any removal of asbestos -containing insulation from pipes, etc., the workers must be provided with supplied-air respirators.
4. Schedule 23 B respirators are only good up to 10 times the permissible fiber concentration.
5. Hand- and power-operated tools which may produce fiber concentrations in excess of the exposure limits must be provided with local exhaust venti lation system.
6. All asbestos operations must be monitored by December 7, 1972 to deter mine whether exposures are below the permissible limits. Periodic follow-up sampling is also required in some cases.
7. Preplacement, annual, and termination medical examinations are required for all employees who are exposed to airborne asbestos.
8. Other requirements involve caution signs, labels, protective clothing, record-keeping, notification of employees with exposure in excess of the limits, and waste disposal.
We suggest that you acquaint yourselves with all of your operations which involve asbestos, and become thoroughly familiar with the new standards. If you will send us a summary of the nature of asbestos exposures in your plants, we will advise on how to comply with item 6 above.
D. H. BARBER
n.H.ii
DETAILED SIMMARY OF ASBESTOS STANDARD OCCUPATIONAL SAFETY & HEALTH ACT 29 CFR 1910.93a, 7/20/72 S. L. Dryden
Permissible Exposure Limit
A. Time weighted average (OTA)
1. Effective July 7, 1972 : 5 fibers, longer than 5 microns,
per cubic centimeter of air (f/cc)
2. Effective July 2, 1976 : 2 f/cc B. Ceiling concentration: 10 f/cc
C. Measurement standard: Collection on membrane filter of
0.8 micron porosity in an open-face holder, analysis by
light microscopy.
'
Methods of Limiting Exposures
A. General: Engineering controls shall be the means for achieving compliance.
B. Specific requirements
1. Local exhaust ventilation - ANSI Z9.2-19712. All tocis for cutting, shaping, and molding
asbestos materials shall be provided with local exhaust ventilation systems. 3. Use wet methods "insofar as practicable". h. Handling of dry asbestos-containing cements in a loose state prohibited. 5- Workers engaged in removal of asbestos-containing insulation shall be provided with supplied-air repirators and special clothing. C. Respirators
1. Use of repirators to achieve compliance is permissible only in limited cases: a. During the time necessary to install engineering controls.
b. Engineering controls sufficient to comply with exposure standards are not technically feasible.
c. In emergencies
2. Respirators must approved by Bureau of Mines or NIOSH. 3. Permissible range of usage
a. Air purifying respirators: where concentrations are expected to be up to 10 times the permissible limits.
b. Powered air purifying respirators: to 100 times
c. Supplied-air respirators: unlimited Employer shall establish "respirator program" in accordance with ANSI Z88.2-I969.
-S'
5. No employer shall be assigned a job requiring the use of a respirator if judged medically unfit to function normally in one.
D. Special Clothing 1. Required when concentrations exceed 10 f/cc. 2.~ Coveralls, head covering, gloves, and foot coverings are included. 3. Change roans and two separate lockers are required when concentrations exceed TWA or ceiling limits. 4. Special handling is prescribed for laundering.
HI.
Requirements for Monitoring Airborne Asbestos Concentrations A. By December 7, 1972 - survey all locations "where asbestos
fibers are released B. Frequency of periodic monitoring - 6 months, or more often
as necessary, where exposures "may reasonably be foreseen to exceed the exposure limits". C. Sampling locations, both
1. Breathing zone of workers, and 2. Fixed locations D. Record keeping 1. Must be retained at least 3 years 2. Access must be granted to
a. OSEA
b. moss
c. Employees (current & former) 3. Overexposed employees must be notified of that fact.
IV. Warnings
A. Caution Signs 1. Required "at all approaches to areas containing excessive concentrations" 2. Specifies size and exact wording 3. Unlike in the temporary standard, the requirement does not include the words "danger" or "cancer".
B. Caution Labels 1. Required for raw materials, mixtures, scraps, and other products containing asbestos
2. Excludes products where asbestos is bound or coated sufficexrtly to prevent release of fibers
3. Specifies exact wording
V. Medical examinations A. Timing
1. Preplacement 2. Annual 3* Termination of employment B. Prescribed tests 1. Chest roentgenogram 2. History to elicit symptomatology of respiratory
disease. 3- Forced vital capacity 4. Forced expiratory volume at one second.
-3-
C. Becords 1. Must be retained- at least 20 years. 2. Access most be granted to: a. OSBA
b. moss
~ c. Employee's physician
VI. Miscellaneous A. Waste Disposal: Any asbestos-contaminated waste which may produce dust in excess of the limits "in soy reasonably foreseeable" handling, must be disposed of in sealed impermeable containers. B. Bouse keeping: Workplaces must be kept free of accumulations of asbestos dust .
11318
BUUS AMO REGULATIONS
Title 29--LABOR
Chapter XVII--Occupational Safety and Health Administration, Depart
ment of Labor
PART 1910--OCCUPATIONAL SAFETY
AND HEALTH STANDARDS
Standard for Exposure to Asbestos .
Dust
On December 7, 1971. as emergency temporary standard concerning exposure to asbestos fibers eras published in the Fkddul Rxsbtsx (38 FJL. 23207). In ac cordance with section 6(c) (3) of the-Wil liams-Steiger Qeeuptalonal Safety and Health Act of 1970. a notice of proposed rulemaking regarding a permanent standard for exposure to asbestos fibers was published In the Fdoul Rxguiu on January 12. 1972 (37 FJ*. 468). The no tice invited Interested persons to submit both orally and In writing, data, views, and arguments concerning the proposal.
On or about January 24. 1972. the Ad visory Committee on Asbestos Dust was established and requested to make writ ten recommendations with regard to the proposed standard on asbestos. On or about February 1. 1972. the Department of Health, Education, and Welfare trans mitted to the Secretary of Labor a cri teria document containing Recommenda
tions for an Occupational Exposure Standard far Asbestos by the National Institute for Occupational Safety and Health (NXOSH). Public notice was given of the receipt of the recommendations
and their availability for inspection and copying. On or about February 25. 1972.
the Advisory Committee on Asbestos Dust submitted its wntten recommendations
to the Assistant Secretary of Labor for
Occupations! Safety and Health. Pursuant to the notice of rule making;
a bearing was held cn March 14 through 17.1972. for the purpose of receiving oral data, views, and arguments concerning
the proposed standard. On or about March 31.1972. the presiding hearing ex aminer certified to the Asmrant Secre tary of Labor for Occupational Safety and Health the record of the proceeding; The record includes prehearing wntten comments, a transcript of the oral pres
entations made at the hearing, and nu merous exhibits received during the
course of the hearing or within the pe riod allowed after the dose of the hearing.
The proposed standard dealt with (1) permissible concentrations of asbestos fibers: (2) methods of compliance: (3)
warning signs: (4) monitoring: (5) med ical examinations: and (6) recordkeep ing. Each of these major proposals elic ited comments, arguments. objections, and counterproposals. They illhave been
rammed and considered. L Acceptable concentrations of asbes
tos dust. The proposed standard would limit occupational exposure to 6-tour time-weighted average (TWA) airborne concentrations of asbestos dust not ex ceeding five fibers longer than five micrometers per. milliliter. Concentra tions above five fibers but not to exceed
10 fibers (celling concentration) would
be permitted up to 15 minutes in an hour,
but for not more than 5 hours in any one 8-hour day.
NXOSH In effect has recommended that the five-fiber TWA and 10-fiber peak concentrations be permitted only
for 2 years; thereafter. TWA concentra
tions should be not more than 2 fibers per cubic centimeter (cm.*) of air. and peak concentrations should not exceed 10
flben/em.*. with no time restriction. Numerous objections and counterpro posals have been made, with regard to both the limits of asbestos fiber concen
trations and the time periods to comply
with them. Some, for example, have rec ommended return to a 12-fiber standard of an earlier day; l.e_ a level adopted under the Walsh-Healey Public Con
tracts Act in 1969. Others have recom mended a two-fiber standard to become effective in 6 months, then a one-fiber standard for 2 years, and finally a zero-
fiber standard after 3 years. These rec
ommendations give a fair indication of the wide spread of the counterproposals.
No one has disputed that exposure to
asbestos of high enough intensity and
long enough duration is causally related to asbestosis and cancers. The dispute is as to the determination of a specific level below which exposure is safe. Various
studies attempting to establish quantita
tive relations between specific levels of
exposure to asbestos fibers and the 2
pearance of advent biological manil. tattoos, such as asbestosis. lung canee and tsrsothelioina. have given rise
controversy aa to the validity of t
measuring techniques used and the reli blllty of the relations attempted to
established. Because of the long lac of time between onset of exposure a
biological manifestations, we have hi evidence of the consequences of exposu: but we do not have, in general, accurs measures of the levels of exposure o cursing 20 or 30 years ago. which ha given rise to these consequences. The
are also controversies concerning t) relative toxxetty of the various kmels
asbestos, and varying hazards in di ferent workplaces.
It is fair to say that the eontrover. has centered in the area between a tw
fiber TWA concentration and five-fib TWA concentration, with variations c
the time needed for compliance. Mar employers support a five-fiber TW. Most medical opinion is divided betwee a two-fiber standard and a five-fibt standard.
In view' of the undisputed grave cor
sequences from exposure to asbestt fibers. It is essential that the exposure t regulated now. on the basis of the be:
evidence available now. even though may not be as good as riwtmiany de sirahle. An asbestos standard be rt evaluated In the light of the results c ongoing studies, and future studies, bu cannot wait for them. Lives of employee are at stake.
Xt is concluded that there should b one minimum standard of exposure t asbestos applicable to ail workplaces ex posed to any kind, or mixture of kind: of asbestos. Reasons of practical to
ministration preclude a variety of stand
ards for different kinds of asbestos am of workplaces. Also, while the evidecc tends to show that crocidolite. for In stance, is more harmful than ehrysoulc the evidence is not sufficient to establish separate standards for varieties 0 asbestos.
Because there must be one standan governing exposure to all varieties o asbestos, and in workplaces apparent!: more hazardous than others; becausi some present employees with regular ex posure to asbestos have probably al
ready accumulated great doses of asbes
tos fibers, due to higher levels of ex
posure in the past: because it appear: that levels of exposure which may be safe with regard to asbestosis are not safe with regard to mesothelioma: be*
cause the statute requires the protection
of every employee, even of one who may have regular exposure to asbestos during a working life which may reach, or even
exceed. 40 yean: and because of several
other considerations which have been urged and are reflected in the record of lha proceeding, the conflict in the medi
cal evidence is resolved in favor of the
health of employees. As of July 1. 1976.
TWA concentrations of asbestos fiber* longer than 5 micrometers will not be allowed to exceed two flbers/cc.. with a
ceiling value of 10 flbers/cc. The current
TWA concentrations of five flben. and
nsim tEsism. vou 37, no. no--Wednesday, junc 7, 1*72
RULES AND REGULATIONS
1X319
reUlng
utiMtuTM of 10 fibezs/e& fibers, so that them would sot be xtieuecl 9. Records. The standard, as prepond
iU be permitted until July 1. 2978. dur to the normal use of the products, should and as adopted, requires maintenance of
ing whet will be a transitional period not be required to be labeled: and (2) records of monitoring and of medical
deemed neeessary to allow employers to words such as -danger* and -oncer- art eximinitimi Meet of the controversy to
make the seeded changes for coming cnwamntedly ilinntng
this ana has revolved around the ques
into compliance with the more stringent Both contentions have merit snd the tion whether an employer should be al
standard.
'
standard has been changed accordingly. lowed to have access to the molts at
The record shows that the many work 4. Monitoring. The proposed standard the required medical rxammatlnm Tha
operations subject to the single asbestos would have required personal monitor- apprehension of those who have argued
standard (textile, manufacturing, todus- tog and environmental monitoring. against employer access is bssed on the
t-i-t.i and marine p*n*tlei" etc.) will Many issues have been raised concerning expectation that some employers will use
meet varying degrees of difficulty la the availability and reliability of meas the medical irxaimnations as a means of
replying with the standard. In some uring instruments, frequency of moni screening employment applicants, and
plants, extensive redesign and reloca toring. and conditions to which monitor- worse, as grounds for discharging current
tion of equipment may be needed. It ap tog should be required. The adopted employees, who show signs of being af
pears. however, the delay In the effective standard takes the objections into con fected by exposure to asbestos. Since tha
date of the two-fiber standard will pro sideration. Zt requires periodic monitor- purpose of the medical examinations is
vide all employers a reasonable time to tog at intervals no longer than 6 months, to monitor the health of employees ex
comply. At the same time, so long as tha thus allowing considerable tone and dis posed to the hazards of abestoa. em
ceiling limit is complied with, no harm cretion. and prescribes the use of the ployees cannot in reason be granted the
is ressonibly expected to result from ex membrane filter method, which is an ac privilege of refusing to disclose to
posures during the transitional period. ceptable method for determination of employers results of occupational expo
2. Methods of compliance. Zt has been asbestos fibers.
sure. It does not make sense to require
pointed out by many persons, that pro Zt has also been recommended that employers to provide mntinal examina
tection against asbestos fibers is best employees or their representatives should tions if they cannot know and an the
obtained by controlling the generation of -have aa opportunity to observe the results of the examination*. Bar then
fibers first, and secondly, by controlling monitoring. The reeommendahaa has reasons the standard provides that ea-
the dispersion of released fibers into the been accepted.
ployers* may have a restricted access to
ambient air of the workplaces. Therefore, 3. Medical examinations. The pro IOIB0 JQldiCftl iDlOIBftdOQa
the standard requires feasible techno posed standard would only require an On the other hand, there is no inten
logical controls and appropriate work appropriate medical examination on a tion to allow employers to abuse medical
practices as the primary means of com periodic basis. The generality of the pro information obtained pursuant to tha
pliance. notation of employees aa a way posal has attracted many objections and Act. to the detriment of employees.
of meeting the TWA concentration re also many helpful comments. The recom Therefore, the administration of tha
quirement Is allowed only fat stated ex mendations of NIOSH and of the Advi medical records requirement win be
ceptional circumstances, because, as a sory Committee on Asbestcs Oust were closely watched, and. in eases of abuan.
general rule. It would be difficult to Im much more specific with respect to both appropriate action will be considered.
plement. Personal protective equipment, such as respirators, cannot be relied upon became, among other reasons, they may be so uncomfortable as to be bur densome. except for short periods of time. Therefore, it is expected that res pirators and shift rotation will be used during the period necessary to install en
gineering controls and to train employ ees in sound work practices, but. after technological compliance has been achieved, their use must be limited to special work situations and emergencies.
Where both are practicable, shift rota tion is required.
3. Labeling. The proposed standard stopped short of requiring labeling as
frequency and type of medical examina tions to be required. The comments vary as to the class of employees to be ex amined and as to the frequency of the
The adopted standard requires medical examinations both at the beginning and the termination of employments exposed to concentrations of asbestos fibers, and also requires annual medical examina tions of every employee exposed to air borne concentrations of asbestos. Zt has been pointed out that to certain indus tries. such as construction, an employee may work for several employers during the same year. Accordingly, the standard does not require either preemployment,
The Issues discussed above are believed to be the major ones. Numerous other is sues have been raised to the rulemaking proceedings. Some have been referred to incidentally. Many recommendations, for instance, about work practice*, are wo obviously meritorious that their adop tion needs no exposition here. Other recommendations and many objections have not been adopted for a variety of reasons which should be manifest. Sev eral. for Instance, have recommended the use of respirators only pursuant to a variance, or to cases of emergency snd
ooraslonal short-term exposures. The
recommendation with respect to vari
bestos and asbestos-containing products. or termination, or periodic exaatoaton ances undoubtedly has many merits,
The proposed standard would have re of any employee who has been examined but is considered administratively im
quired only warning signs at locations to accordance with the standard within practical.
where asbestos hazards are present
However, labeling, rather than warning signs, has proved to be a point of con
troversy. Both NIOSH and the Advisory Committee on Asbestos Oust recom
the past year.
One question which has been raised goes-to whether the employer or the em ployee should be allowed to choose the examining physician. The standard
Accordingly, after consideration of the whole record of the proceeding, and pursuant to sections 8 (b) and (e) "d 8(c) of the Willlams-Stelger Occupa
mended labels for asbestos products and gives the option to the employer. Since tional Safety and Health Act of 1970 (84
containers, and these
some employers already have a medical SUL 1593. 1598. 1599; 29 XJSJC. 655.
became very controversial in the course of the proceeding. Many counterpro proposals have been made as to the ltncuase of the warning as well as to the
products to be subject to the labeling requirements. Employers, in general, strongly contend that (l) fln(<ehff prod-
examination program in operation, and. also, have medical departments with
some expertise in the diagnosis of abes-
tos-related diseases, it seems more reasonable to permit them to utilize the present programs and expertise, than to
permit an employee to choose a private
657), 29 CFR 1910.4, and to Secretary of Labor's Order No. 12-71 (36 FJL 8754), Part 1910 of Title 29 of the Code of Fed eral Regulations is amended as set forth below.
(1) Section 1910.93 Is amended by re
heis which effectively entrap asbestos general practitioner.
vising Table G-3 to read as follows:
FBIEIAL tESISTU. VOL 37, NO. 110--WEBNEiOAT, JUNE 7, 1V72
21320
RULES AND REGULATIONS
S 1910.93 AircoaiMMiiiuata.
UP M01*
Cmaaioc
..
Qiactt ttapMil*).
Qavtt (Mil diet).
QWMIIk UwHtt* -mm rnkiirt fi--n *
%a<M4 UM>X
Urnifim XBOrfS
TndTauM: OiKtkf*iiM
AaiorptiiAjaaoaiaemnaml
roVmf n(Uaa l%or7
alltiMlia): Via. Tale.
Onout* ioatoU....... Cot dm ImpnM
tawimalKSiOt), Tari tfcaalKfiOfa--
tovt er Nateae* OaM: BigurmBU traction___
%mo Uav
Note Coormloa !*--
sqpdXSSS--Bullion psropai par csbls ncur
WttUiPffbG
KUn *1 putlda par eeMe foot < air. band o
bupuwv aaptaa aoaaud by Ufbt-AcM uamlca
Tba paRaouca W sysulllB* aliaa u iba (amnia
k iba -"<"" datnauad from aipbeana aamplaa.
apt in tbaaa laiuacsa la vbieli oibar maalaxta baaa
ka ibawn la ba applicaMa.
,,
As daumtaad by iba nambiana Altar aaihod at
at x pbaaa eontrait mixntflrallan.
Both aoncantnnsQ and panto! qnatta iar tba
appUeattoa at tba Hm ait a ba daununad (run tS traction paint a m aalaner aatb Iba leUatnnc
indyeimlf dlsattat ftuut dtsaitr wotraj
2 as as 10 10
Pmstputf&C JlOBCSQf
to n to 3S 0
Tba maaaojamaaa uadi tbb noM rt<ar ta tba taa at an ACC linMimn u tba rarauabla traction at aaai doat dauminad vita a MK at Otuia ootrnpnnrtJ.ne lat&alat 2.1 Sitin' a tba ubla tor aoal doat At Ht/U'.
2. A sew | 1910.93a is added to Part 1910. reading as follows:
11910.93a Asbestos.
(a) Definitions. For the porpose of this section. (1) ``Asbestos" includes chrraoCUe. amoeite. crocidollte. tremollte. anthophyllite. and actinoUte.
(2) "Asbestos fibers" means asbestos fibers longer ttian S micrometers.
(b) Permissible exposure to airborne concentrations of asbestos fibers--ll) Standard effective July 7, 1972. The -hour time-weighted average airborne concentrations of asbestos fibers to which any employee may be exposed shall not exceed five fibers, longer than 9 micrometers, per cubic centimeter of air. as determined by the method pre scribed in paragraph (e) of this section.
(2) Standard effective July l. 1376. The 8-hour time-weighted average air borne concentrations of asbestos fibers
to which, say employee may be exposed shall not exceed two fibers, longer than 8 micrometers, per cubic centimeter of air. as determined by the method pro
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 dun 5 micrometers, per cubic centimeter of air. as determined by the method pre scribed in paragraph (e> of this section.
(e) Methods of compliance--il) En gineering methods, (i) Engineering con
trols; Engineering controls, such as. but
Bet limited ta isolation, enclosure, ex haust ventilation, and dust collection, shall be used to meet the exposure limits
prescribed in paragraph (b) of this section.
(ID Local exhaust ventilation, (a) Local exhaust ventilation and dust col lection systems shill 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 1910.6 concerning the avail ability of ANSI Z9.2-1371, and the maintenance of a historic file in connec tion therewith. The address of the Amer ican National Standards Institute to
given in S 1910.100.
(ill) Parttcvlas' tools. AH 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) or this section, such aa but not limited to. saws, scorers, abrasive wheels, and drills, shall be pro vided with local exhaust ventilation sys tems in accordance with subdivision (11) of this subparagraph.
(2) Work practices--(l) 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.
(it) Particular products and opera tions. No asbestos cement, mortar, coat ing. grout, piaster, 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) 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 ance with paragraph (d) (2) (ill) 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 iim
prescribed by paragraph (b) of this s* tint may not be achieved by the use respirators or shift rotation of et pierces, except:
(D During the time period neeessa. to install the engineering controls ai to Institute the work practices reqrnn by paragraph <e> of this section:
(ID lb work situations in which tl methods prescribed in paragraph (c> this section are either technically m feasible or feasible to an extent mxufi dent to reduce the airborne concerncn tions of asbestos fibers below the Umi prescribed by paragraph (b) of th section: or
(111) In emergencies.
fiv) Where both respirators and pe: sannei rotation are allowed by subtiiv brai (1). (U). or (ill) of this subpare graph, and both are practicable, peraoc cel rotation shall be preferred and uset
(2) Where a respirator is permitted b subparagraph (1) of this paragraph. : shall be selected from among those sp proved by the Bureau of Mines. Depan mens of the Interior, or the National In stltute for Oceunational Safccv an Health. Department of Health. Educa ttan. and Welfare, under the provisions o 30 CFR Part 11 (37 F-R- 6244. Mar. 21 1972). and shall be used in accordane with subdivisions (1). (11). (Ill), and (lv el this subparagraph.
(i) JJr purifying respirators. A reusa Me or single use air purifying respiratot or a respirator described in subdlvlsioi (U) or (111) of this subparagraph, shal be used to reduce the concentrations o airborne asbestos fibers >n the respirato: below the exposure limits prescribed is paragraph (b) of this section, when thi ceiling or the 8-hour time-weighted aver' age airborne concentrations of asberco: fibers are reasonable exnected to exceec no more than 10 times those limits.
(11) Powered air purifying respirators A full facepiece powered air purilyici respirator, or a powered air punfyini respirator, or a respirator described ii subdivision (ill) of this subparagraph shall be used to reduce the concentra tions of airborne asbestos fibers in thi respirator below the exposure limits pre scribed In paragraph (b) of this section when the ceiling or the 8-hour timeweighted average concentrations ai asbestos fibers are reasonably expected to exceed 10 times,.but not ICO times, those limits.
(1U) Type "C" supplied-air respirators, continuous flow or pressure-demand class. A type "C" continuous Sow 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.
(lv) Establishment of a respirator pro
gram. (a) The employer shall establish
a respirator program in accordance with
nSiUl EEGICTEt, VOL 37, NO. U0--WEDNESDAY. JUKE. 7, 1973
RULES AND REGULATIONS
11221
lhe requirements of the Anertcsn Ka- where asbestos fibers an released to be subparagraph shall conform to tha ro-
Standards Practices for Respm- monitored in such a way as to determine quirexnentt of 30" x 14** vertical format
15?flection. ANSI ZII.3-iai58.wMdl whether every employee's exposure to subs specified la 11910.145(d)(4),, and
is mrorporated by referace tugeaib See i 1910.6 concemin* the avall-
asbestos fibers is below tbo limits pre scribed in paragraph Cb> of this sec
to this subdivision. The signs shaB dis play tha following legend ta the lower
-bUltr of ANSI ZM.2-1SS9 and the main. tion. If the limits an exceeded, the em paaeL with, latter sizes and styles of a
traanee of an historic flle In ccanectim. ployer shall immediately undertake a visibility at least equal to that specified therewith. The address of the Anxenean wwpnnfH program in accordsnrt with la this subdivision.
National Standards Institute Is Oven in paragraph (e> of this aeetiaeu
togend
l 1910.200.
. (2) Personal monitoring--M Sam Jjlwtos ............. ......
iC> No employee shall be i.isagned to ples shall be eollntcd from within the
Bounce
1** Saaa Sarif. Oothlc or
tasks requiring the use of respirators If. breathing rone of the employees, on
Bioefc.
based upon his most recent txaminatkn. membrane filters of '0A micrometer po- Dost Karan).
%** Saaa Bant.
an physician determines that
the employee will be unable to function normally wearing a respirator, or that
the safety or health of the employee or other employees will be impaired by 1da
rossity mounted in an open-face filter bolder. Samples shall be taken for the determination of the g-hour timeweighted average airborne concentra
tions and of the ceiling sonceatratims of
Avoid Broathlag Dost__ Wear Amigaad Protective
SqttpSM&Co Do Koc tomato Za Ana
Oothlc * VL**Qothis. i4"Oouc.
K*'Oothlc.
or
use of a respirator. Such employee shall ethrtrnv fibers.
TTolna Tour Week Se
be routed to another job or given the (11) Sampling frequency sad patterns. quin* Zt.
opportunity to transfer to a different po After the initial determinations required Breathing Atbettc* Dun 14 point dottle.
sition whose duties he is able to perform by subparagraph (1) of this paragraph, May to guudsw To with the same employer, in the same geo samples shall be of such frequency and Tour Kaaith.
graphical area and with the same senior pattern as to represent with reasonable Spacing between lines shall be at least
ity. sutus. and rate of pay bt had juft accuracy the levels of exposure of em equal to tha height of the upper of may
prior to such transfer, if such a diffexmxt ployees. Za no esse shall the sampling be (,wo lines.
position is available.
' done as intervals greater than 6
(2) Caution labels--(1) Labeling. Cau
(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 section. (4) change rooms: (1) At any fixed
place of employment exposed to airborne
concentrations of asbestos fibers in ac
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 coUeeted from areas of
a work environment which are represent ative of the airborne concentrations of asbestos fibers which may reach the breathing soae of employees. Samples shall be collected on a membrane filter of 0A micrometer porosity mounted In
tion labels shall bo 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 banding 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 at the
exposure limits prescribed In paragraph
cess of the exposure limits prescribed in paragraph (b) of this section, the em ployer shall provide change rooms tor employees working regularly at the place.
CU> Clothes lockers: The employer provide two separate lockers or con
tainers for each employee, so separated or Isolated as to prevent contamination
sa open-face filter holder. Samples shall be taken for the determination of the ghour time-weighted average airborne concentrations and of the celling con centrations of asbestos fibers.
<U) Sampling frequency and patterns.
After the Initial determinations required
by subparagraph (1) of this paragraph,
(b) of this section will be released.
(li) 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: CtVROX
of the employee's street clothes from bis samples shall be of sum frequency and
work clothes.
pattern as to represent with reasonable
till) Laundering: (a) Laundering of accuracy the levels of exposure of the
Contains Asbeecet FUa Avoid CrswTlng Dus*
asbestos contaminated clothing shall be employees. In no case shall sampling be done so as to prevent the release of air at Intervals greater than 6 months for
Breathing Asbestos Dust May Cause Serious Bodily Barm
borne asbestos fibers in excess of the ex employees whose exposures to asbestos (h) Housekeeping--(1) Cleaning. All
posure limits prescribed in paragraph (b> may reasonably be foreseen to exceed external surfaces in any place of employ
of this section.
the exposure limits prescribed in para ment shall be maintained tree of accu
<b> Any employer who gives asbestos- graph <b> of this section.
mulations of asbestos fibers if. with their
contaminated clothing to another person (4) Employee observation of monitor dispersion, there would be an excessive
for laundering shall inform such person ing. Affected employees, or their rep concentration.
of the requirement in (a) of this subdi resentatives. shall be given a reasonable
vision to effectively prevent the release opportunity to observe any mmttnrmT
of airborne asbestos fibers In excess of- required by this paragraph and shall have
the exposure limits prescribed In para access to the records thereof.
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.
(g) Caution signs and labels. (I) Cau tion signs. (1) 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
<e> Method of measurement. ASX de (b> of this section. Signs shall be posted
(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,
terminations of airborne concentrations at such a distance from such a location or other closed, impermeable containers:
of asbestos fibers shall be made by the so that an employee may read the signs (1) Recordkeeping--(1) Exposure rec
membrane filter method at 400-450 X and take necessary protective steps be ords. Every employer shall maintain rec
<magnification) (4 millimeter objective) fore entering the area marked by the ords of any personal or environmental
with phase contrast illumination. (f> Monitoring--(1) Initial determi
nations. within 6 months of publi cation of this section, every employer
signs. Signs shall be posted at all ap proaches to areas containing excessive concentrations of airborne asbestos fibers.
(li) Sign specifications. The warning
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 tary of Labor for Occupational Safety
shall cause every place of employment signs required by subdivision (1) of this and Health, the Director of the National
FEDESAL tESISTEk. VOL 37, NO. MO--WEDNEWAT, JUNE 7. IV72
H322
MASS AND 1EGUIAT10NS
for Occupational Safety ud tions. Records dan be retained by
tad to authorized representa employexs tar at lout 30.years.
tives of either. (2) Employee aeem. Every employee
and fonaar employee shell have reason able aeeen to aay record required to be
by subparagraph (1) of this
paragraph. which indicates the em ployee's own exposure to asbestos fibers.
(3) Employee noti/lcxtion. day em
ployee found to have Been exposed at any time to airborne concentrations of asbes tos fibers la excess of the limits pre
scribed la parssraph (b) of this section shall be notified in writing of (be expo sure as aooa as practicable but not later
than 5 days of the finding. The employee shall also be timely notified of the cor rective action beinf taken.
(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
(tt> Acrm, The contents of the rec
ords of the medical examinations required by this paragraph shall be made available, far Inspection and copying; to the Assistant Secretary of Labor for Occupational Safety and **-- the Director of NIQ5H. to authorized phnidata and medical consultants of either of them. and. upon the request of an em ployee or forme.1 employee; to his physi cian. Any physician who conducts a medical examination required by this 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.
3. A new f 1910.19 Is addad to Subpart B of Part 1910. reading as follows:
quired by this parasraph. (2) Preplacement. Tim employer shall
provide or make available to each of his employees, within 30 calendar days followinx his first employment in an occupation exposed to Urborae con centrations of asbestos fibers, a compre hensive medical examination, which shall include, at a minimum, a chest roentgnogrsm (posterior-anterior 14 x 17 inches), history to elicit symptom
11910.19 AsWjMsdoit.
Section 1910.93a shall apply to the ex posure of every employee to asbestos dust in every employment and place of employment covered by i 1910.12. 11910.13.11910.14.11910.15. or 11910.19. in lieu of any different standard on ex posure to asbestos dust which would othsrwlss be applicable by virtue of any of those sections.
atology of respiratory disease, and pulmonary function tests to Include
farced vital capacity (FVC) and forced expiratory volume at 1 second (PEV>.*).
Xffecttoe date. Paragraph (b)(2) at
i 1910.93a shall become effective July 1,
1978. AH other provisions of IS 1919J3a,
19X0.93. and 1910.19 shall
effec
(3) Annual examinations. On'or be tive July 7,1973. Ihe current emergency
fore January 31. 1973. and at least an nually thereafter, every employer shall provide, or make available, comprehen sive medical examinations to eaeh of his employees encaged 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
temporary standard remains in effeet until July 7, 1973. (am. a. s. m sue. ism. use: a ana. ss.
SOT; 39 CFX 1910.4: Secxrauy or Uan Order Ho. 13-T1. 30 ML S7M)
Signed at Washington. D.C. this 2d day of June 1972.
Q- C. Qsrran,
Assistant Secretary of Labor.
[VS DOC.73-S874 Wad e-*-l3;S:4S aa|
expiratory volume at 1 second (FEVi..).
<4) Termination of employment. The
employer shall provide, or "* 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
(PEV,..).
(S) 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.
(4) Medical records--(l) Mainte
nance. Employers of employees examined
pursuant to this paragraph shall cause to be maintained complete and accurate records of all such medical examina
fBJflAl MCISTM. VOL 37, NO. U0--WBMHDAY, JUNf 7, IV73