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permissible exposure limit |
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permissible exposure limit [pər¦mis·ə·bəl ik′spō·zhər ‚lim·ət] (industrial engineering) The level of air contaminants that represents an acceptable exposure level as specified in standards set by a national government agency; generally expressed as 8-hour time-weighted average concentrations. Abbreviated PEL. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Having acknowledged and corrected the error pointed out by Kolanz, we take strong exception to his statement that "the study cannot sustain conclusions about the degree of risk associated with lower levels of exposure," by which he means less than the OSHA PEL of 2 pg/[m. The "worst case" air concentration of particulate "total dust" did not exceed the OSHA PEL standard. Stack testing was undertaken on two dust collectors, and silica exposure results indicate control well within the OSHA PEL. |
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