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Tip of the Week Archive

Selecting and Using a Respirator

April 02, 2012

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Selecting and Using a Respirator
Tip written by: Infraspection Institute

Thermographers often work in environments that require the use of respiratory protection. In this Tip we discuss the selection and use of common respirator types.

A respirator is a device designed to protect the wearer from inhaling harmful dusts, fumes, vapors, or gases. There are several types of respirators, each having a different intended application. Several types are listed below along with their applications.

TOW_10_08_2007_1Single-strap dust masks are usually not NIOSH-approved. They must not be used to protect from hazardous atmospheres. However, they may be useful in providing comfort from pollen or other allergens.

 

TOW_10_08_2007_2Approved filtering face pieces (dust masks) can be used for dust, mists, welding fumes, etc. They do not provide protection from gases or vapors. DO NOT USE FOR ASBESTOS OR LEAD; instead, select from the respirators below.

 

TOW_10_08_2007_3Half-face respirators can be used for protection against most vapors, acid gases, dust or welding fumes. Cartridges/filters must match contaminant(s) and be changed periodically.

 

TOW_10_08_2007_4Full-face respirators are more protective than half-face respirators. They can also be used for protection against most vapors, acid gases, dust or welding fumes. The face-shield protects face and eyes from irritants and contaminants. Cartridges/filters must match contaminant(s) and be changed periodically.

 

TOW_10_08_2007_5Loose-fitting powered-air-purifying respirators (PAPR) offer breathing comfort from a battery-powered fan which pulls air through filters and circulates air throughout helmet/hood. They can be worn by most workers who have beards. Cartridges/filters must match contaminant(s) and be changed periodically.

 

TOW_10_08_2007_6A Self-Contained Breathing Apparatus (SCBA) is used for entry and escape from atmospheres that are considered immediately dangerous to life and health (IDLH) or oxygen deficient. They use their own air tank.

Respiratory protection must be worn whenever you are working in a hazardous atmosphere. The appropriate respirator will depend on the contaminant(s) to which you are exposed and the protection factor (PF) required. Required respirators must be NIOSH-approved and medical evaluation and training must be provided before use.

Thermographer safety is one of the many topics covered in the Infraspection Institute Level I Certified Infrared Thermographer® training course. For more information or to register for a course, visit Infraspection Institute or call us at 609-239-4788.

For more complete information on workplace safety, visit the OSHA Website.

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