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or carried by the user in anticipation of escape, they must be replaced
based on an appropriate canister change-out schedule. Extended expo-
sure of the canisters to nuisance levels (below the PEL) of the contami-
nant may prevent the canisters from providing adequate escape protec-
tion.
5. For respirators with combination canisters (chemical canisters with filters):
The limitations specified above for chemical canisters as well as the applic-
able filter class apply for combination canisters.
6. Applicable respirator use requirements as specified in the OSHA
Respiratory Protection Regulation 29 CFR Part1910.134 (or other require-
ments established by the Regulatory Agency with jurisdiction over the
wearer). Additional OSHA Regulations may also apply for certain contami-
nants (See MSA's Response Respirator Selector).
7. Do not use canister(s) after expiration date on label.
RESPIRATOR USE LIMITATIONS IN CBA (CHEMICAL - BIOLOGICAL
WARFARE AGENT) ATMOSPHERES:
The recommended work environments for this respirator include operations
where exposure to vapor or liquid Chemical Agents or Biological Agents is pos-
sible but not expected, or, for escape from possible CBA contamination and
controlled low level CBA atmospheres which do not exceed the maximum use
concentration as determined by the governing authority.
In the event a maximum use concentration has not been established by the gov-
erning authority, it is recommended that the use of the respirator should be lim-
ited to atmospheres 100 times (or less) the defined permissible Airborne
Exposure Limit (AEL) or Time Weighted Average (TWA) of the contaminate
(except for Mustard and Lewisite. For these agents, the recommended use con-
centration is to be limited to the AEL or TWA).
For uses in atmospheres containing chemical or biological warfare
agents, as with all hazardous atmospheres, it is recommended that a
complete respiratory and body protection program be developed and full
protective ensemble be utilized. This program should as a minimum
include the following items:
Before Entering a CBA Contaminated Area
1. All users should be trained (on a regular basis) in use of the protective
equipment, the hazard, the effects and physical signs of agent over-
exposure, governing protocols or regulations concerning the hazard
and user, medical needs, emergency and first aid procedures in case
of over-exposure, decontamination, and handling and disposal of con-
taminated equipment.
2. Each user should be quantitatively fit tested in the facepiece they will
be using and have a tested fit factor of 1000 or greater.
3. It is recommended that each user should be outfitted with a facepiece
with CBA canister, a hood, and full chemical protective suit including
TAL 146 (L) Rev. 12 - 814175
WARNING
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