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Id 2117
Author Sheehan M.J.; Vosburgh D.J.H.; O’Shaughnessy P.T.; Park J.H.; Sotelo C.
Title Direct-reading instruments for aerosols: A review for occupational health and safety professionals part 2: Applications

Sheehan M.J.; Vosburgh D.J.H.; O’Shaughnessy P.T.; Park J.H.; Sotelo C. Direct-reading instruments for aerosols: A review for occupational health and safety professionals part 2: Applications,Journal of Occupational and Environmental Hygiene 19 12

Keywords Aerosols; Air Pollutants, Occupational; Environmental Monitoring; Humans; Nanoparticles; Occupational Exposure; Occupational Health; Workplace; nanoparticle; aerosol; air pollutant; environmental monitoring; human; occupational exposure; occupational health; prevention and control; procedures; workplace
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Abstract Direct reading instruments (DRIs) for aerosols have been used in industrial hygiene practice for many years, but their potential has not been fully realized by many occupational health and safety professionals. Although some DRIs quantify other metrics, this article will primarily focus on DRIs that measure aerosol number, size, or mass. This review addresses three applications of aerosol DRIs that occupational health and safety professionals can use to discern, characterize, and document exposure conditions and resolve aerosol-related problems in the workplace. The most common application of aerosol DRIs is the evaluation of engineering controls. Examples are provided for many types of workplaces and situations including construction, agriculture, mining, conventional manufacturing, advanced manufacturing (nanoparticle technology and additive manufacturing), and non-industrial sites. Aerosol DRIs can help identify the effectiveness of existing controls and, as needed, develop new strategies to reduce potential aerosol exposures. Aerosol concentration mapping (ACM) using DRI data can focus attention on emission sources in the workplace spatially illustrate the effectiveness of controls and constructively convey concerns to management and workers. Examples and good practices of ACM are included. Video Exposure Monitoring (VEM) is another useful technique in which video photography is synced with the concentration output of an aerosol DRI. This combination allows the occupational health and safety professional to see what tasks, environmental situations, and/or worker actions contribute to aerosol concentration and potential exposure. VEM can help identify factors responsible for temporal variations in concentration. VEM can assist with training, engage workers, convince managers about necessary remedial actions, and provide for continuous improvement of the workplace environment. Although using DRIs for control evaluation, ACM and VEM can be time-consuming, the resulting information can provide useful data to prompt needed action by employers and employees. Other barriers to adoption include privacy and security issues in some worksites. This review seeks to provide information so occupational health and safety professionals can better understand and effectively use these powerful applications of aerosol DRIs. © 2022 JOEH, LLC.



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