NJ Lead Inspector/Risk Assessor Final Exam Questions with Complete Solutions What percentage of lead is in drinking water for children? - Correct Answer 20% What does Title X focus on? - Correct Answer Focuses attention on source of lead that could poison children.What areas in the waterline produce high lead levels in water? - Correct Answer Poorly Soldered joints where brass fittings are.With inspecting water what is the most causes for corrosive towards lead? - Correct Answer Hot, Acidic and soft water What are the causes our air to become lead contaminated? - Correct Answer Gas, Emission stationary sources, smelters and battery factories.What causes very high concentrations of lead dust and fumes? - Correct Answer Abrasive Blasting/ Sand Blasting and burning steel.Where does lead in food typically come from? - Correct Answer Containers with solder, crystal, pewter, ceramic glaze & cookware How is eliminated from the body? - Correct Answer Slowly from the body by kidney and gastrointestinal tract.How does very tiny amounts of lead leave the body? - Correct Answer Through sweat What are the most commons ways children develop lead poisoning? - Correct Answer Ingesting lead dust through hand to mouth activities.How are most adults exposed to lead? - Correct Answer Work.What does lead effect when digested? - Correct Answer Central Nervous System.What is Chelating Agents? - Correct Answer Medication that removes lead from a person body.What does RCRA stand for? - Correct Answer Resource Conservation and Recovery Act What does RCRA do? - Correct Answer Govern federal hazard waste disposal regulations. 1 / 2
What is the most acute lead common symptom? - Correct Answer Abdominal pain What does HUD Guidelines assist with? - Correct Answer Identifying and controlling lead paint in housing.What needs to be done for HUD buildings built before 1978? - Correct Answer All painted surfaces must be inspected to determine if testing is needed.How does occurrence coverage policy's work? - Correct Answer They can still be active after policy.How does claims made coverage work? - Correct Answer This is only covered during the policy period.Lead abatement should be conducted by who? - Correct Answer Certified supervisors and trained workers Who set forth to eliminate lead exposure at work? - Correct Answer NIOSH What are the elements of radiation safety? - Correct Answer Duration, Shielding & distance.What does encapsulation relies on? - Correct Answer adhesive to the substrate.When should encapsulation not be used? - Correct Answer impact and friction areas.What materials do you use for encapsulation? - Correct Answer Apoxy based plyable materials.Why should an inspector be on site when encapsulation is being used? - Correct Answer This ensures they didn't dilute/apply correct.Enclosures must be what? - Correct Answer Mechanically fastened to the substrate.
Please solve for square feet:
Wipe sample 2'x2" - Correct Answer 0.33 How long should enclosures last? - Correct Answer 20 years to permanently.What should you do with materials behind the encapsulation? - Correct Answer Write Lead behind it.How does the XRF calibration work? - Correct Answer Attach SRM(Nist standard) to a non metal substrate. You must take 3 readings and average the results.
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