Workers often perform a variety of tasks where they could be exposed to harmful dust, chemical vapors, fumes from molten metal, and particulates from grinding, painting, or sandblasting. Although the best method to protect workers is first using engineering controls such as ventilation systems, it is not always a feasible solution. In these situations, the use of a respirator may be required to ensure the maximum amount of protection and safety is provided to the worker.
The use of respirators, even simple ones like dust masks, is serious and requires workers to understand the types of hazards they could be exposed to, the specific type of respirator needed, how to use the respirator, and its limits. Failure to follow all the requirements to properly wear a respirator can prove to be dangerous and potentially deadly.
NOTE: The respiratory protection standards for Construction are the same as for General Industry set forth in Standard 1910.134.
OSHA General Industry Standard 1910.134(a)(2) A respirator shall be provided to each employee when such equipment is necessary to protect the health of such employee. The employer shall provide the respirators which are applicable and suitable for the purpose intended.
Respirators protect the user in two basic ways:
The first is by filtering the air of pollutants. Respirators of this type include particulate respirators, which filter out airborne particles, and air-purifying respirators that use cartridges or canisters which filter out chemicals and gases.
The second is by supplying clean air for breathing from another source. These kinds of respirators include airline respirators, which use compressed air from a remote source, and self-contained breathing apparatus (SCBA), that use a tank of compressed breathing air.
Some respirators use specialized cartridges and filters. Workers using these respirators should know how to identify the type of filters and how to install or replace them.
OSHA General Industry Standard 1910.134(d)(1)(i) The employer shall select and provide an appropriate respirator based on the respiratory hazard(s) to which the worker is exposed and workplace and user factors that affect respirator performance and reliability.
Workers must keep respirators in a clean and sanitary condition. Respirators must be stored properly to avoid damage, contamination, dust, sunlight, extreme temperatures, excessive moisture, and damaging chemicals. Respirators should be packed or stored to prevent deforming the face piece and exhalation valve.
OSHA General Industry Standard 1910.134(h)(1) Cleaning and disinfecting. The employer shall provide each respirator user with a respirator that is clean, sanitary, and in good working order.
During the safety meeting on respirators, emphasize these important points about respiratory protection.
OSHA General Industry Standard 1910.134(k) Training and information. This paragraph requires the employer to provide effective training to employees who are required to use respirators. The training must be comprehensive, understandable, and recur annually, and more often if necessary.
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