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The intensity of exposure was rated high if the probability of exposure was also high and the permissible exposure level (PEL) standard (Occupational Safety and Health Administration 1998) was exceeded > 50% of the time, giving a high score using the paradigm of Sharp et al. The primary concern for metalcasting facilities is that the Occupational Safety and Health Administration (OSHA) will lower the permissible exposure level (PEL) to an unreachable number. Wood dust is not among the first group of respirable air contaminants whose Permissible Exposure Levels will be considered by the Occupational Safety and Health Administration. |
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