Exam (elaborations)
Ohio Lead Abatement Contractor Test Questions And Answers
- Course
- Institution
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...
[Show more]