![]() As part of its Respirator Approval Program evaluation of APRs, APERs, and PAPRs, NIOSH used 11 of these chemicals as representatives from the seven NIOSH chemical families, referring to them as test representative agents. To do so, NIOSH further categorized the 139 hazards into seven chemical families, 1 characterized by common chemical properties and filtration behavior. ![]() NIOSH then worked on developing minimum performance requirements to ensure that NIOSH-approved CBRN respirators would provide protection against these hazards. The final list included 139 CBRN hazards. Further, physical and chemical properties (including filtration mechanisms) were evaluated. This hazard assessment consisted of a comprehensive review of technical data and the evaluation of various lists of chemicals that could be used in a terrorist incident. NIOSH found that its test representative agents remain sufficient to evaluate protections against the additional chemical hazards-some new or emerging-identified during the recent hazard assessment.ĭuring the development of the NIOSH CBRN APR Statement of Standard in the early 2000s, NIOSH and its federal partners, including the Department of Defense (DoD), Department of Justice, and Department of Energy, conducted a hazard assessment with a goal to list all potential CBRN hazards that may pose a risk to emergency responders and are likely to be used in a disaster. In a more recent assessment completed in 2018, this list has been expanded to 286 hazards. In 2001, NIOSH’s hazard assessment concluded with 139 hazards identified across these seven chemical families. NIOSH uses this list to categorize CBRN hazards into seven different chemical families and uses 11 chemicals-known as test representative agents-to test the protective ability of a canister claiming CBRN protections. This list was developed through a comprehensive review of technical data and the evaluation of various lists of chemicals that could be used in a terrorist incident. These hazards are collectively represented in the NIOSH CBRN APR Protection List. NIOSH CBRN APR Protection ListĪs part of a NIOSH-approved CBRN APR, the CBRN canister provides protection against many CBRN hazards that may be present in an emergency event. It also provides information to those individuals responsible for managing respirator protection programs or developing training programs. ![]() The NIOSH Chemical, Biological, Radiological, and Nuclear (CBRN) Respiratory Protection Handbook provides information to assist emergency responders on selection, use, and maintenance of CBRN respirators. NIOSH CBRN Respiratory Protection Handbook ![]()
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