NJ LEAD INSPECTOR/RISK ASSESSOR FINAL QUESTION WITH CORRECT ANSWERS

What percentage of lead is in drinking water for children? - 20% What does Title X focus on? - Focuses attention on source of lead that could poison children. What areas in the waterline produce high lead levels in water? - Poorly Soldered joints where brass fittings are. With inspecting water what is the most causes for corrosive towards lead? - Hot, Acidic and soft water What are the causes our air to become lead contaminated? - Gas, Emission stationary sources, smelters and battery factories. What causes very high concentrations of lead dust and fumes? - Abrasive Blasting/ Sand Blasting and burning steel. Where does lead in food typically come from? - Containers with solder, crystal, pewter, ceramic glaze & cookware How is eliminated from the body? - Slowly from the body by kidney and gastrointestinal tract. How does very tiny amounts of lead leave the body? - Through sweat What are the most commons ways children develop lead poisoning? - Ingesting lead dust through hand to mouth activities. How are most adults exposed to lead? - Work. What does lead effect when digested? - Central Nervous System. What is Chelating Agents? - Medication that removes lead from a person body. What does RCRA stand for? - Resource Conservation and Recovery Act What does RCRA do? - Govern federal hazard waste disposal regulations. What is the most acute lead common symptom? - Abdominal pain What does HUD Guidelines assist with? - Identifying and controlling lead paint in housing. What needs to be done for HUD buildings built before 1978? - All painted surfaces must be inspected to determine if testing is needed. How does occurrence coverage policy's work? - They can still be active after policy. How does claims made coverage work? - This is only covered during the policy period. Lead abatement should be conducted by who? - Certified supervisors and trained workers Who set forth to eliminate lead exposure at work? - NIOSH What are the elements of radiation safety? - Duration, Shielding & distance. What does encapsulation relies on? - adhesive to the substrate. When should encapsulation not be used? - impact and friction areas. What materials do you use for encapsulation? - Apoxy based plyable materials. Why should an inspector be on site when encapsulation is being used? - This ensures they didn't dilute/apply correct. Enclosures must be what? - Mechanically fastened to the substrate. Please solve for square feet: Wipe sample 2'x2" - 0.33 How long should enclosures last? - 20 years to permanently. What should you do with materials behind the encapsulation? - Write Lead behind it. How does the XRF calibration work? - Attach SRM(Nist standard) to a non metal substrate. You must take 3 readings and average the results. Name lead abatement methods? - Replacement, Enclosure, Encapsulation & paint removal. Is Methylene Chloride allowed? - Not allowed nor Paint strippers. What does TCLP deal with? - Liquid Waste.