{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,31]],"date-time":"2026-03-31T16:20:32Z","timestamp":1774974032064,"version":"3.50.1"},"reference-count":13,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2021,3,31]],"date-time":"2021-03-31T00:00:00Z","timestamp":1617148800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"name":"National Personal Protective Technology Laboratory"},{"DOI":"10.13039\/100000125","name":"National Institute for Occupational Safety and Health","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100000125","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,8,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Overhaul is the phase of firefighting after flames have been extinguished but when products of combustion are still being released. While positive pressure self-contained breathing apparatus (SCBA) provide the highest level of respiratory protection during overhaul, use of air-purifying respirators (APRs) with suitable filters could potentially provide a lower weight, longer duration option for first responders. The objective of this study was to assess whether an APR with a chemical, biological, radiological, and nuclear (CBRN) canister could be recommended as substitution for SCBA during overhaul. A total of 15 simulated standard overhaul environments were created by burning household materials. Sampling was conducted using mannequin heads fitted with full facepiece respirators with either a CBRN canister or SCBA. In-mask and personal samples were collected for aldehydes, polynuclear aromatic hydrocarbons, inorganic acids, aromatic hydrocarbons, nitrogen dioxide, and particulate matter. An additional six simulated high-exposure overhaul environments were created in a flashover chamber by continuously adding household materials to a smoldering fire. The sampling train was the same for both the standard and high-exposure environments; however, the facepiece was sealed to the mannequin head in the high-exposure environments. In the standard overhaul environment, the CBRN canister effectively reduced the level of exposure for most contaminants, while in the high-exposure overhaul exposure setting in-mask acetaldehyde and formaldehyde were detected. In both exposure settings, the SCBA prevented almost all exposure, and therefore remains the recommended respiratory protection during overhaul.<\/jats:p>","DOI":"10.1093\/annweh\/wxab004","type":"journal-article","created":{"date-parts":[[2021,1,16]],"date-time":"2021-01-16T20:13:22Z","timestamp":1610828002000},"page":"843-853","source":"Crossref","is-referenced-by-count":6,"title":["Evaluation of CBRN Respirator Protection in Simulated Fire Overhaul Settings"],"prefix":"10.1093","volume":"65","author":[{"given":"Shawn D","family":"Staack","sequence":"first","affiliation":[{"name":"Department of Community, Environment and Policy, University of Arizona Mel and Enid Zuckerman College of Public Health, 1295 North Martin Ave., Tucson, AZ, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stephanie C","family":"Griffin","sequence":"additional","affiliation":[{"name":"Department of Community, Environment and Policy, University of Arizona Mel and Enid Zuckerman College of Public Health, 1295 North Martin Ave., Tucson, AZ, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vivien S T","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Community, Environment and Policy, University of Arizona Mel and Enid Zuckerman College of Public Health, 1295 North Martin Ave., Tucson, AZ, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eric A","family":"Lutz","sequence":"additional","affiliation":[{"name":"University of Arizona College of Engineering\u2014Mining and Geological Engineering, 1235 James E. Rogers Way, Tucson, AZ, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jefferey L","family":"Burgess","sequence":"additional","affiliation":[{"name":"Department of Community, Environment and Policy, University of Arizona Mel and Enid Zuckerman College of Public Health, 1295 North Martin Ave., Tucson, AZ, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2021,3,31]]},"reference":[{"key":"2021121823052624000_CIT0002","first-page":"703","article-title":"Method development study for APR cartridge evaluation in fire overhaul exposures","volume":"51","author":"Anthony","year":"2007","journal-title":"Ann Occup Hyg"},{"key":"2021121823052624000_CIT0003","doi-asserted-by":"crossref","first-page":"437","DOI":"10.1080\/152873901300343470","article-title":"Characterization of volatile organic compounds in smoke at municipal structural fires","volume":"63","author":"Austin","year":"2001","journal-title":"J Toxicol 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