{"id":{"repo_id":"ohiolink","oai_identifier":"oai:etd.ohiolink.edu:mco1365152938"},"canonical_url":"https://search.dev.ndltd.org/etd/ohiolink/oai:etd.ohiolink.edu:mco1365152938","repository":{"repo_id":"ohiolink","name":"OhioLINK","base_url":"https://etd.ohiolink.edu/acprod/odb_etd/ws/oai/oai"},"display":{"title":"Aerosol Samplers Comparison: IOM Dual Sampler (Inhalable & Respirable) vs Conventional Methods for Assessing Welders Exposure to Manganese","abstract":"Occupational exposure to airborne manganese (Mn) is currently determined using National Institute for Occupational Safety and Health (NIOSH) and Occupational Safety and Health Administration (OSHA) analytical methods for particulate not otherwise regulated. The Institute of Occupational Medicine (IOM) dual fraction sampler is capable of providing both inhalable and respirable portions of airborne particles by using only one sampling device. For this study, the IOM dual fraction sampler was compared with OSHA method ID-125G for determining occupational exposure to airborne Mn contaminant during Shielded Metal Arc Welding (SMAW), which was performed in a barge at a marine facility. An aluminum cyclone was used with a 25-mm Mixed Cellulose Ester (MCE) filter to sample respirable Mn contaminants. A 25-mm MCE filter was also used to sample total Mn contaminants. All monitoring was performed by area sampling. The aluminum cyclone readings, except one, were consistently higher than those of the IOM dual sampler (respirable) readings; statistically speaking, the aluminum cyclone showed significantly (p < 0.01) more exposure than did the IOM dual sampler (respirable). Therefore, the findings of this study suggest that the IOM dual sampler is not recommended as an alternative to the aluminum cyclone for the sampling of respirable Mn contaminants. However, the readings of conventional total particle sampler were not significantly different from those of the IOM dual sampler (inhalable). Inhalable and total are compared in this study and the results support the conversion factor of 1.0, which is for welding fume. Therefore, the IOM dual sampler can be used as an alternative method to conventional total particle sampler.","abstract_html":"Occupational exposure to airborne manganese (Mn) is currently determined using National Institute for Occupational Safety and Health (NIOSH) and Occupational Safety and Health Administration (OSHA) analytical methods for particulate not otherwise regulated. The Institute of Occupational Medicine (IOM) dual fraction sampler is capable of providing both inhalable and respirable portions of airborne particles by using only one sampling device. For this study, the IOM dual fraction sampler was compared with OSHA method ID-125G for determining occupational exposure to airborne Mn contaminant during Shielded Metal Arc Welding (SMAW), which was performed in a barge at a marine facility. An aluminum cyclone was used with a 25-mm Mixed Cellulose Ester (MCE) filter to sample respirable Mn contaminants. A 25-mm MCE filter was also used to sample total Mn contaminants. All monitoring was performed by area sampling. The aluminum cyclone readings, except one, were consistently higher than those of the IOM dual sampler (respirable) readings; statistically speaking, the aluminum cyclone showed significantly (p &lt; 0.01) more exposure than did the IOM dual sampler (respirable). Therefore, the findings of this study suggest that the IOM dual sampler is not recommended as an alternative to the aluminum cyclone for the sampling of respirable Mn contaminants. However, the readings of conventional total particle sampler were not significantly different from those of the IOM dual sampler (inhalable). Inhalable and total are compared in this study and the results support the conversion factor of 1.0, which is for welding fume. Therefore, the IOM dual sampler can be used as an alternative method to conventional total particle sampler.","abstract_has_math":false,"creators":["Shomody, Melissa A."],"institution":"University of Toledo Health Science Campus","degree_name":"Master of Science in Occupational Health (MSOH)","degree_level":"masters","degree_discipline":"College of Medicine","degree_department":null,"school":null,"contributors":["Akbar, Farhang"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-05-22","date_published":"2013-05-22","updated_at":"2026-07-24T03:37:16Z","subjects":["Public Health","IOM","IOM dual sampler","respirable manganese","manganese"],"languages":["English"],"rights":["unrestricted","This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://rave.ohiolink.edu/etdc/view?acc_num=mco1365152938","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Akbar, Farhang"]},{"key":"dc:creator","label":"Author","values":["Shomody, Melissa A."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-05-22"]},{"key":"dc:publisher","label":"Institution","values":["University of Toledo Health Science Campus / OhioLINK"]},{"key":"dc:type","label":"Dc Type","values":["Electronic Thesis or Dissertation"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["College of Medicine"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science in Occupational Health (MSOH)"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Toledo Health Science Campus"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Public Health","IOM","IOM dual sampler","respirable manganese","manganese"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["unrestricted","This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://rave.ohiolink.edu/etdc/view?acc_num=mco1365152938"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Occupational exposure to airborne manganese (Mn) is currently determined using National Institute for Occupational Safety and Health (NIOSH) and Occupational Safety and Health Administration (OSHA) analytical methods for particulate not otherwise regulated. The Institute of Occupational Medicine (IOM) dual fraction sampler is capable of providing both inhalable and respirable portions of airborne particles by using only one sampling device. For this study, the IOM dual fraction sampler was compared with OSHA method ID-125G for determining occupational exposure to airborne Mn contaminant during Shielded Metal Arc Welding (SMAW), which was performed in a barge at a marine facility. An aluminum cyclone was used with a 25-mm Mixed Cellulose Ester (MCE) filter to sample respirable Mn contaminants. A 25-mm MCE filter was also used to sample total Mn contaminants. All monitoring was performed by area sampling. The aluminum cyclone readings, except one, were consistently higher than those of the IOM dual sampler (respirable) readings; statistically speaking, the aluminum cyclone showed significantly (p < 0.01) more exposure than did the IOM dual sampler (respirable). Therefore, the findings of this study suggest that the IOM dual sampler is not recommended as an alternative to the aluminum cyclone for the sampling of respirable Mn contaminants. However, the readings of conventional total particle sampler were not significantly different from those of the IOM dual sampler (inhalable). Inhalable and total are compared in this study and the results support the conversion factor of 1.0, which is for welding fume. Therefore, the IOM dual sampler can be used as an alternative method to conventional total particle sampler."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf","p.37","3.51 MB"]},{"key":"dc:title","label":"Title","values":["Aerosol Samplers Comparison: IOM Dual Sampler (Inhalable & Respirable) vs Conventional Methods for Assessing Welders Exposure to Manganese"]}]}],"canonical_facts":{"dc:contributor":["Akbar, Farhang"],"dc:creator":["Shomody, Melissa A."],"dc:date":["2013-05-22"],"dc:description":["Occupational exposure to airborne manganese (Mn) is currently determined using National Institute for Occupational Safety and Health (NIOSH) and Occupational Safety and Health Administration (OSHA) analytical methods for particulate not otherwise regulated. The Institute of Occupational Medicine (IOM) dual fraction sampler is capable of providing both inhalable and respirable portions of airborne particles by using only one sampling device. For this study, the IOM dual fraction sampler was compared with OSHA method ID-125G for determining occupational exposure to airborne Mn contaminant during Shielded Metal Arc Welding (SMAW), which was performed in a barge at a marine facility. An aluminum cyclone was used with a 25-mm Mixed Cellulose Ester (MCE) filter to sample respirable Mn contaminants. A 25-mm MCE filter was also used to sample total Mn contaminants. All monitoring was performed by area sampling. The aluminum cyclone readings, except one, were consistently higher than those of the IOM dual sampler (respirable) readings; statistically speaking, the aluminum cyclone showed significantly (p < 0.01) more exposure than did the IOM dual sampler (respirable). Therefore, the findings of this study suggest that the IOM dual sampler is not recommended as an alternative to the aluminum cyclone for the sampling of respirable Mn contaminants. However, the readings of conventional total particle sampler were not significantly different from those of the IOM dual sampler (inhalable). Inhalable and total are compared in this study and the results support the conversion factor of 1.0, which is for welding fume. Therefore, the IOM dual sampler can be used as an alternative method to conventional total particle sampler."],"dc:format":["application/pdf","p.37","3.51 MB"],"dc:identifier":["http://rave.ohiolink.edu/etdc/view?acc_num=mco1365152938"],"dc:language":["English"],"dc:publisher":["University of Toledo Health Science Campus / OhioLINK"],"dc:rights":["unrestricted","This thesis or dissertation is protected by copyright: all rights reserved. It may not be copied or redistributed beyond the terms of applicable copyright laws."],"dc:subject":["Public Health","IOM","IOM dual sampler","respirable manganese","manganese"],"dc:title":["Aerosol Samplers Comparison: IOM Dual Sampler (Inhalable & Respirable) vs Conventional Methods for Assessing Welders Exposure to Manganese"],"dc:type":["Electronic Thesis or Dissertation"],"thesis:degree_discipline":["College of Medicine"],"thesis:degree_level":["masters"],"thesis:degree_name":["Master of Science in Occupational Health (MSOH)"],"thesis:institution_name":["University of Toledo Health Science Campus"]},"updated_at":"2026-07-24T03:37:16Z"}