Exam with Answers 2025
What percentage of lead is in drinking water for children? -
ANS 20%
What does Title X focus on? -
ANS Focuses attention on source of lead that could poison children.
What areas in the waterline produce high lead levels in water? -
ANS Poorly Soldered joints where brass fittings are.
With inspecting water what is the most causes for corrosive towards lead? -
ANS Hot, Acidic and soft water
What are the causes our air to become lead contaminated? -
ANS Gas, Emission stationary sources, smelters and battery factories.
What causes very high concentrations of lead dust and fumes? -
ANS Abrasive Blasting/ Sand Blasting and burning steel.
Where does lead in food typically come from? -
ANS Containers with solder, crystal, pewter, ceramic glaze & cookware
How is eliminated from the body? -
ANS Slowly from the body by kidney and gastrointestinal tract.
How does very tiny amounts of lead leave the body? -
ANS Through sweat
What are the most commons ways children develop lead poisoning? -
ANS Ingesting lead dust through hand to mouth activities.
How are most adults exposed to lead? -
ANS Work.
What does lead effect when digested? -
ANS Central Nervous System.
What is Chelating Agents? -
ANS Medication that removes lead from a person body.
What does RCRA stand for? -
ANS Resource Conservation and Recovery Act
, What does RCRA do? -
ANS Govern federal hazard waste disposal regulations.
What is the most acute lead common symptom? -
ANS Abdominal pain
What does HUD Guidelines assist with? -
ANS Identifying and controlling lead paint in housing.
What needs to be done for HUD buildings built before 1978? -
ANS All painted surfaces must be inspected to determine if testing is needed.
How does occurrence coverage policy's work? -
ANS They can still be active after policy.
How does claims made coverage work? -
ANS This is only covered during the policy period.
Lead abatement should be conducted by who? -
ANS Certified supervisors and trained workers
Who set forth to eliminate lead exposure at work? -
ANS NIOSH
What are the elements of radiation safety? -
ANS Duration, Shielding & distance.
What does encapsulation relies on? -
ANS adhesive to the substrate.
When should encapsulation not be used? -
ANS impact and friction areas.
What materials do you use for encapsulation? -
ANS Apoxy based plyable materials.
Why should an inspector be on site when encapsulation is being used? -
ANS This ensures they didn't dilute/apply correct.
Enclosures must be what? -
ANS Mechanically fastened to the substrate.
Please solve for square feet:
Wipe sample 2'x2" -
ANS 0.33