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Characterization of lead in US workplaces using data from OSHA's integrated management information system.
Henn-SA; Sussell-AL; Li-J; Shire-JD; Alarcon-WA; Tak-S
Am J Ind Med 2011 May; 54(5):356-365
Background: Lead hazards continue to be encountered in the workplace. OSHA's Integrated Management Information System (IMIS) is the largest available database containing sampling results in US workplaces. Methods: Personal airborne lead sampling results in IMIS were extracted for years 1979-2008. Descriptive analyses, geographical mapping, and regression modeling of results were performed. Results: Seventy-nine percent of lead samples were in the manufacturing sector. Lead sample results were highest in the construction sector (median = 0.03 mg/m3). NORA sector, year, OSHA region, number of employees at the worksite, federal/state OSHA plan, unionization, advance notification, and presence of an employee representative were statistically associated with having a lead sample result exceed the PEL. Conclusions: Lead concentrations within construction have been higher than any other industry. Lead hazards have been most prevalent in the north and northeastern US. IMIS data can be useful as a surveillance tool and for targeting prevention efforts toward hazardous industries.
Lead-compounds; Information-retrieval-systems; Sampling; Statistical-analysis; Mathematical-models; Air-samples; Airborne-particles; Work-environment; Industrial-exposures; Construction-industry; Permissible-limits; Exposure-limits; Health-hazards; Surveillance-programs; Author Keywords: lead; surveillance; OSHA; IMIS; construction
Scott A. Henn, MS, National Institute for Occupational Safety and Health, Division of Surveillance, Hazard Evaluations, and Field Studies, 4676Columbia Parkway, R-19, Cincinnati, OH 45226
Issue of Publication
American Journal of Industrial Medicine