though you are not spraying in the mixing room, you breathe in harmful
chemicals in coating products when you open a new can, pour paint,
mix paint, or if you spill it. Therefore respirators must be worn
when you are working the paint mixing room. Even if your paint mixing
room is ventilated, the routine use of the proper respirators is
strongly recommended for your safety, and may be mandated by provincial
or local health and safety regulations.
purifying-type respirators with organic vapour cartridges are recommended
for use in the paint room. They can be either full-face or half
masks with mechanical or chemical cartridges to filter out fumes,
vapours, gases, and dust. Half masks are air-purifying respirators
that cover your nose, mouth, and chin. They are equipped with detachable
cartridges that filter paint fumes from the air. Some are equipped
with pre-filters to trap dust and mists. Full-face masks are air-purifying
respirators like half masks, but with the addition of a face-piece
to protect your eyes and face. If you wear glasses, this type of
mask may need modification. Check with your paint supplier and/or
equipment supplier to be certain you are using the correct type
for your work in the paint room. Neither full or half-face air purifying
respirators protect against oxygen deficiency, nor hazards not listed
on the filter cartridge.
purifying respirators work by filtering out harmful materials when
you inhale. When you exhale, a valve lets the air out and closes
to prevent contaminated air from entering. There are a number of
important 'best practices' to follow:
Make sure you are using the proper filtering cartridge in your mask
* Make sure to read the label on the cartridge to know what concentration
of contaminant it is designed for.
* Make sure the mask is sealed tightly to your face, especially
if you have facial hair. 'Fit tests' by a safety professional or
other qualified individual are required.
* Inspect your masks regularly for tears or cracks and replace damaged
masks as required.
* Keep your mask clean by washing with mild detergent, and sanitize
according to manufacturers instructions
* Store it in a clean, cool, dry place, and replace cartridges as
recommended by manufacturer, or your shop's policy.
more information see:
CCOHS provides information on what type of respirator should be
worn with typical paint solvents.
Practices for the Paint Mixing Room http://concessions.nps.gov/document/paintmix.pdf
The AIA's website http://www.aiacanada.com/downloads/topten.pdf
The Canadian Standards Association (CSA) has published Z94.4-93,
Selection, Use and Care of Respirators. This standard has been adopted
by the federal government and by most provinces. In general, this
standard states criteria that must be considered in the selection