Exam (elaborations)
Ohio Lead Abatement contractor test questions and answers
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PPb parts per billion PEL permissible exposure limits: developed by OSHA to indicate the max airborne concentration of a contaminant to which an employee may be exposed over the duration specified by the type of PEL. Ug microgram 30 ug The level of action Hud recommends temporary relocation of resi...
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