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Respirators
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"The Importance of Using a Respirator..."
When working with noxious materials,
such as solvents and finishing materials, it is not only important
to protect your eyes and skin, but your lungs as well. When
proper work-area ventilation is a problem, several breaks are
required a day for fresh air; even so, a health problem is sure to
erupt from prolonged exposure to the work materials. A
personal respirator can make work-time more efficient, as well as
improve breathing conditions.
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General Information...
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Uses for a
respirator... |
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In the medical and industrial field,
many employees are required to be fitted yearly for a personal air
purifying respirators. Personal respirators protect against
biological contaminants such as bacteria, viruses (such as anthrax), mold and fungi;
particle contaminants such as gases, vapors, dust and fumes; and
chemical contaminants that may all irritate the lungs and chest or
cause an unnoticeable hazard to your body from prolonged exposure.
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Types of
respirators... |
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Particle respirators work well for dusts, mists and fumes; however,
do not work well for gases and vapors. Particle respirators usually
cover just the lower half of the face and should be used in addition
to safety goggles.
Combination
respirators work well for the above particle contaminants as well as
gases and vapors. They cover either half or all of the face
depending upon the manufacturer and are usually heavier than other
styles.
The
third style of respirators are Gas and Vapor respirators, which are
usually used when there are only hazardous gases and vapors in the
air. These respirators use chemical filters called cartridges or
canisters and can be specific to certain chemicals.
When the user finds the respirator difficult to breathe through, it
is a good indication that its filters need replacing.
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How much do
respirators actually protect me? |
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Even if the user does not wear glasses or have facial hair that
extends to the frame of the respirator, proper fit is a necessity to
ensure the respirator is effective. Occupation Safety & Health
Administration (OSHA) and the National Institute for Occupational
Safety & Health (NIOSH) have collaborated with the American
National Standards Institute to make a chart
of the assigned protection factor (APF). The APF of a
respirator reflects the level of protection that a properly
functioning respirator would be expected to provide to a population
of properly fitted and trained users. For example, an APF of 10 for
a respirator means that a user could expect to inhale no more than
one tenth of the airborne contaminant present.
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Table of APFs for various types
of Respirators...
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Respirator Class and Type |
OSHA
Cadmium Std. |
NIOSH |
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Air
Purifying |
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Filtering Facepiece |
10 |
10 |
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Half-Mask |
10 |
10 |
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Full-Facepiece |
50 |
50 |
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Powered Air
Purifying |
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Half-Mask |
50 |
50 |
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Full-Facepiece |
250 |
50 |
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Loose Fitting Facepiece |
25 |
25 |
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Hood or Helmet |
25 |
25 |
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Supplied
Air |
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Half-Mask-Demand |
10 |
10 |
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Half-Mask-Continuous |
50 |
50 |
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Half-Mask-Pressure Demand |
1000 |
1000 |
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Full-Facepiece Demand |
50 |
50 |
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Full-Facepiece Continuous Flow |
250 |
50 |
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Full-Facepiece Pressure Demand |
1000 |
2000 |
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Loose Fitting Facepiece |
25 |
25 |
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Hood or Helmet |
25 |
25 |
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Self
Contained Breathing Apparatus (SCBA) |
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Demand |
50 |
50 |
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Pressure Demand |
>1000 |
10,000 |
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If you have
any questions, call us, we'll be glad to help!
1-877-688-2703
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