(b) Limitations. Chemical cartridge respirators shall not be used in
atmospheres immediately dangerous to life or health and will be limited to the maximum
concentration of gases and vapors as specified on the cartridge (also see specific
standard for exposure to chemical or chemicals in question). Some chemical cartridges
are listed in Table 2-4. In addition, in the case of the half mask face piece, no protection
is provided for the eyes. The nose clip on mouthpiece style respirators shall be
securely in place to prevent nasal breathing. No protection is provided to the eyes.
Respirator, air filtering, for pesticides
(Respirator furnished with 50 cartridges and
Respirator, air filtering, for dusts (Respirator
furnished with 50 filters)
Respirator, air filtering, for metal fumes
(Respirator furnished with l00 filters, or 50
filters depending on whether the mask is dual
or single element)
Respirator, air filtering, for paint spray
(Respirator furnished with l00 or 50 cartridges
Respirator, air filtering, for organic vapors
(Respirator furnished with l00 or 50 cartridges)
Table 2-4. Air purifying respirators and gas masks available in the
Federal supply system.
d. Dust, Fume, and Mist Respirators (Particulate Respirators).
(1) Description. These respirators include all completely assembled
respirators designed for use as respiratory protection during entry into and escape from
hazardous particulate atmospheres that contain adequate oxygen to support life.
Devices may be attached to a powered blower. Each device may contain mouthpiece
with nose clip, hood, helmet, filter unit, harness, attached blower, and breathing tube.
These devices are further described as follows: