18
Before Use
G1 Air-Purifying Respirator (APR)
US
5
Before Use
5.1
Respirator Use Limitations
WARNING!
An approved professional must supply an applicable change-out schedule for air filtration
cartridge(s)/canister, unless the cartridge(s)/canister have an end-of-service-life indicator. The
change-out schedule must include all factors that have an effect on respiratory protection,
including work practices and other conditions that are specific to the users' environment.
If this respirator is used for protection against substances that have poor warning properties, there
is no secondary method of notification about when to replace the air filtration cartridge(s)/canister.
Obey additional precautions to prevent overexposure, such as a more conservative change-out
schedule or use of an SAR or SCBA.
Failure to obey these warnings can result in serious injury or death.
This is an approved air-purifying respirator ONLY when it is used in an approved configuration. For
information about approved configurations, refer to the G1 APR Approval Insert (P/N 10160485). For
information about approved configurations for the head harness, refer to Tab. 1 "Approved configura-
tions for the head harness". Do not exceed the maximum use concentrations set by regulatory stan-
dards.
Users must comply with the following MSA respirator use limitations.
Do not exceed the following maximum use concentrations during use:
• 50 times the exposure limit for the contaminants in the environment if a quantitative fit test is used.
Using a qualitative fit test can decrease the maximum use concentration.
• Immediately dangerous to life or health (IDLH) concentration for any contaminant in the environ-
ment.
The following is a PARTIAL list of substances that have poor warning properties.
Acrolein
Nitric Acid
Aniline
Nitro compounds:
Arsine
- Nitrogen oxides
Bromine
- Nitroglycerin
Carbon monoxide
- Nitromethane
Diisocyanates
Ozone
Dimethyl sulfate
Phosgene
Hydrogen cyanide
Phosphine
Hydrogen selenide
Phosphorous trichloride
Methanol
Stibine
Methyl bromide
Sulfur chloride
Methyl chloride
Urethane or other diisocyanate containing paints
Methylene chloride
Vinyl chloride
Nickel carbonyl
