NIOSH Exposure Assessment Program
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      "What are our priorities? The National Institute for Occupational Safety and Health (NIOSH) Exposure Assessment Program works with partners in industry, labor, trade associations, professional organizations, and academia. The program focuses on promoting the use of 21st century exposure assessment sensors, methods, and processes to protect worker safety, health, well-being, and productivity. What do we do? 1. Champion the development of information on how to conduct exposure assessments for all types of hazards in all types of occupational settings. Hazard-informed exposure assessments help identify who is exposed to what, how they are exposed (air, water, skin contact), and how much exposure occurs, how often, and for how long. 2. Develop improved sensors to make it easier to identify and measure exposures to hazards and to enable exposure-informed hazard assessments. 3. Advance the development of new or improved assessment methods to ensure that exposure measurements are accurate and able to detect and identify hazardous agents and stressors at lower concentrations. 4. Promote publication of the NIOSH Manual of Analytical Methods (NMAM) as a continuously updated compilation of validated sampling and analytical methods that are used globally for occupational exposure assessment in the industrial hygiene field and related professions. What have we accomplished? 1. Published a new NMAM 5th Edition Web Book. 2. Published updated NMAM methods for respirable crystalline silica, including information for sampling at higher flowrates to improve limits of detection. 3. Published a new NMAM chapter on counting carbon nanotubules and nanofibers to support epidemiological studies by NIOSH and others. 4. Published a journal article on the use of the exposome in the practice of epidemiology. Exposomic data in epidemiologic and other studies can provide greater understanding of the relationships among a broad range of chemical and other risk factors and health conditions, and ultimately lead to more effective and efficient disease prevention and control. 5. Published NIOSH information on the evaluation of direct-reading monitors for gases and vapors, including for hazard evaluation in first-responder environments. 6. Published the journal article "New Approaches to Wipe Sampling Methods for Antineoplastic and Other Hazardous Drugs in Healthcare Settings" as a review of current methodology for determining the level of surface contamination with hazardous drugs in healthcare settings and to discuss recent advances in this area. What's next? 1. Evaluate methods for isocyanates at the request of the Occupational Safety and Health Administration and for inclusion in the NMAM. Current methods may underreport exposure levels. 2. Publish a new NMAM chapter on biological monitoring for chemical exposures. 3. Develop new methods and exposure assessment approaches for peracetic acid, which is a widely used antimicrobial. 4. Publish an update of the NIOSH Occupational Exposure Sampling Strategy Manual. 5. Conduct research on direct-reading and sensor technologies and information for their selection, validation, and use." - NIOSHTIC-2

      NIOSHTIC no. 20050728

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