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Essential Guidelines for Respiratory Protection in Chemical Hygiene Plans

This document outlines critical control measures and equipment related to respirators in the context of chemical hygiene plans. It emphasizes the importance of wearing respirators when employees could be exposed to hazardous vapor or particulate concentrations that exceed permissible exposure limits. It details the different types of respirators, including particulate respirators and air-purifying respirators with chemical cartridges, highlighting their specific applications and limitations in protecting against toxic chemicals and infection agents.

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Essential Guidelines for Respiratory Protection in Chemical Hygiene Plans

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  1. Control Measures and Equipment Tour Lab Chemical Hygiene Plan, p. 9 NIOSH (http://www.cdc.gov/niosh/topics/respirators) January 17, 2012

  2. Respirators • Respirators should be worn employees might be exposed to vapor or particulate concentrations greater than the PEL, TLV, or similar limit. • Work with toxic chemicals that have low air concentration limits, or that have high vapor pressures, should always be done in a hood

  3. Respirators Particulate respirators • Simplest, least expensive, least protective • Only protect against particles • N-95 is most common, used in hospitals to protect against infection agents

  4. Respirators • Chemical Cartridge/Gas Mask respirators • Also known as "air-purifying respirators" • Includes a facepiece or mask, and a filter/cartridge

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