Document ZBvg2ad0Q27NOa6bM1n5LQ2GJ
Federal Register / Vol. 51, No. 119 / Friday, June 20, .1986 / Rules and Regulations
22707
out in paragraph (a)(4) of the scope and standard. In some instances, the
with the potential for high asbestos
application section. Although'the record definitions used are consistent with
exposures. Thus the action level in the
indicated that the exposures associated those of other OSHA standards, e.g.,
revised standard provides for the most
with the installation of new asbestos-
"Director," "Assistant Secretary," and
cost-effective means of employee
containing products are typically much "Authorized person." However, certain protection.
lower than those occurring in asbestos other terms require definition because
The final standard's definition of
abatement work (Tr. 6/21, p. 5), there is they are used in accordance with their
"demolition"--the wrecking or taking
evidence in the record showing that
meanings in the. construction industry.
out of any load-supporting structural
these operations can sometimes cause
"Action level" is defined in the
member and any related razing,
high employee exposures, particularly if revised standard as an airborne
removing, or stripping of asbestos
specific work practices and engineering concentration of asbestos of 0.1 f/cc of products--is identical to that proposed
controls are not used.
air, calculated as an 8-hour time-
by the BCTD in its recommended
Paragraph (a)(5) of the revised
weighted average. Several provisions of standard and parallels that used by the
standard specifically includes asbestos the standard, such as initial monitoring, Environmental Protection Agency in 40
spill and emergency situations within
employee training, and recordkeeping,
CFR 61.141, the National Emission
the scope of the standard, because these are triggered whenever exposure
Standards for Hazardous Air Pollutants
events clearly have the potential for
measurements reach or exceed pne-half (NESHAP). The term, so defined, has
serious employee and bystander exposures. Asbestos spills might occur
of the revised permissible exposure limit been included in the construction
(0.2 f/cc). If employers are engaged in
standard for asbestos to clarify the
during the handling of bags or
containers of asbestos-containing
materials or during the removal of a
drop ceiling situated beneath badly
deteriorated asbestos insulation
material.
The final group of activities listed in
the scope and application paragraph
includes the transportation, disposal,
storage, or containment of asbestos or
asbestos-containing products on the
worksites at which construction
operations occur. These operations are
included because they have
considerable potential for excessive
employee exposure to asbestos, and, if
not closely, supervised and properly
conducted, may lead to serious .
bystander exposure as well. The
Environmental Protection Agency (EPA)
has specific requirements for the
disposalof hazardous waste, and'the
revised standard's provisions for the
safe disposal and handling of asbestos-
containing wastes (paragraph
(8)(l)(i)(F)) and of asbestos-
contaminated clothing (paragraph (i)(3))
is consistent with EPA requirements.
OSHA notes that the final standard
'has been carefully structured by the
Agency to relate the stringency of the
requirements to the extent and duration
of employee exposures. OSHA therefore
believes that no compliance burden will
be. placed on construction employers
who either do not use, handle, or remove
asbestos-c'ontaining products or who.
i|* maintain asbestos exposures in their
workplaces, to levels below the action
level of 0.1 fiber/cc. The Agency
believes that tailoring the revised
standard in this manner responds to the
concerns of the Advisory.Committce for
Is
Construction Safety and Health and to the evidence in the record as a whole.
I: Paragraph (b)--Definitions
asbestos work causing worksite levels distinction made between major
of asbestos above the action level for 30 asbestos abatement projects and small-
or more days per year, they must also
scale. short-duration operations.
institute a medical surveillance program
"Employee.exposure" is defined as
for all employees. In addition, on sites
that exposure to airborne asbestos that
where food and beverages are
would occur if the employee were not
consumed and the airborne asbestos
using respiratory protective equipment.
level exceeds the PEL; the standard
This meaning of the term has a
requires employers to provide lunch
precedent in many OSHA standards,
areas that have airborne asbestos levels including ethylene oxide (29 CFR
below the action level.
1910.1047), and has been incorporated in
Past experience with the action level the asbestos standard because OSHA
concept in other OSHA standards has
believes it is essential to determine
demonstrated its usefulness to
' employee exposure levels without the
employers as an objective means of
use of respiratory protection in order to
determining a cutoff point for some .
gauge the efficacy of mandated work
mandated compliance activities, thus
practice and engineering controls..
relieving them of some of their
In keeping with other OSHA
compliance obligations in situations where higher exposures do not occur.
standards that regulate exposure to hazardous substances (e.g., Arsenic, 29
Many commenters in the.rulemaking CFR 1910.1018; VinyPfchloride, 29 CFR
record advocated the inclusion of.an
1910.1017), the revised asbestos rule
action level in the revised rule. These
contains a provision requiring the
commenters generally proposed that the establishment of regulated areas to aid
action level be established at one-half
In limiting exposure to asbestos. The
the PEL recommended by that particular definition of "regulated area" in the
commenter. .(Building and Construction revised asbestos standard covers two
Trades Department, AFL-CIO, Ex. 330; types of regulated areas; the negative-
Advisory Committee for Construction
pressure enclosures mandated in
Safety and Health, 84-424; United
paragraph (e)(6) for major asbestos
Brotherhood of Carpenters and Joiners abatement operations,.and the restricted
of America, Tr. 6/27; International
access require"3 wherever airborne
Brotherhood of Teamsters, Tr. 7/3; and asbestos concentrations exceed or can .
the Asbestos Information Association/ reasonably*be expected to .exceed the
North America, Ex. 328). Typical of-
PEL, The fact that the revised standard
these, commenters was the
contains requirements for two types of
recommendation of the Building and.
regulated areas reflects both the wide
Construction Trades Department, AFL- differences in construction worksites
CIO, which stated;
and OSHA's approach in this standard
In accordance with the original action level to dealing with this wide range in .
concept as developed, by NIOSH and
exposure conditions. For example, the
recommended to OSHA for regulatory
restricted access regulated area required
purposes.'the BCTD recommends that the action level be set at one-half the BCTDproposed PEL TWA. (Ex. 330.)
in paragraph (e)(3) is an area that is demarcated in any manner that will alert employees to the existence of.an
Action levels are important because
area where airborne asbestos levels are
Paragraph (b) of the revised asbestos . their use permits employers to
likely to exceed the PEL; this provision
standard for the construction industry
concentrate their resources on those
is included in all OSHA health
defines a number of terms used in the
employees and workplace conditions
standards, and was a requirement in
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GLEASON-000955