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BACKGROUND Day Labor is a growing part of the informal economy in the US, and in Seattle, and may entail a high risk of injury and illness at work. METHODS We surveyed 180-day laborers, at two worker centers and an unregulated "Street" location concerning their job-specific exposures and injury experience. RESULTS Exposures to both health and safety(More)
Using a large data set of noise exposure measurements on construction workers, task-based (TB) and full-shift (FS) exposure levels were compared and analyzed for the sources and magnitudes of the error associated with this methodology. Data-logging dosimeters recorded A-weighted sound pressure levels in decibels using Occupational Safety and Health(More)
Although the exposure-response relationships for noise-induced hearing loss are relatively well established, there is not complete agreement on which metrics of noise exposure best represent risk of hearing damage. In particular, while L(eq), based on a 3 dB exchange rate (ER) is used by most agencies, US OSHA's standard is based on the L(avg), which uses a(More)
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