Lead Abatement Questions With 100 % Correct Answers

10 ug/ft2 - Answer-floors 10 ug/ft2 - Answer-interior windows, sills or stools 100 ug/ft2 - Answer-window troughs or window well 50 ug/m3 - Answer-Osha permissible exposure limit 30 ug/m3 - Answer-Osha action level - Requires 2 hr training & 1 blood test Drinking Water Levels - Answer-15 ppb (parts-per-billion) Lead soil levels - Answer-400 ppm (parts-per-million) Lead soil Levels (2) - Answer-5000 ppm (parts-per-million) HUD requires abatement of soil hazard BLOOD LEAD LEVELS - Children - Answer-5 ug/dl requires investigation BLOOD LEAD LEVELS - Children (2) - Answer-20 ug/dl = Lead poisoned Blood Lead Levels Adults - Answer-20 ug/dl = concern Blood Lead Levels Adults (2) - Answer-30 ug/dl = removed from work Blood Lead Levels Adults (3) - Answer-15 ug/dl = back to work level Defined forms of abatement - Answer-Removal, Enclosure, Encapsulation How long does encapsulant last? - Answer-20 yearsLead Hazards! - Answer-1. Contaminated Soil 2. Contaminated Dust 3. Lead Based Paint 4. LBP Friction Surface 5. LBP Impact surface 6. LBP chewable surface Lead Routes Of Entry - Answer-1. Inhalation 2. Ingestion Who must conclude all lead hazard control activities? - Answer-A Lead Inspector or Risk Assessor 2 Health Effects from Lead Exposure - Answer-1. Coma 2. Reproductive Systems Engineering Control Used to Reduce Lead Exposure - Answer-HEPA Vac & AFD When does OSHA require initial air monitoring for lead? - Answer-At the beginning