CDPH Lead Inspector/Assessor California State Exam Questions And Answers

CDPH Lead Inspector/Assessor California State Exam Questions And Answers Atomic Symbol for Lead and origin Latin word? - ANS Pb; plumbum meaning "liquid silver" What form of lead is mostly used in the United States? - ANS #1 Form: Lead Acid Batteries, #2 Form: Ammunition, #3 Form: Paints & Coatings Why is/was lead added to paint? - ANS Durability. Other qualities include: prevents mold growth & corrosion, soundproofing, quick drying. What is white lead? - ANS Major form of lead used in paint before 1950, it was the only white paint used in European paintings until 19th century, heavy consistency, fastest drying white paint. What does Presumed Lead-Based Paint refer to? - ANS Residential structures built prior to January 1, 1978/ also called Target Housing. Supplied Air Respirators (SARs) must use what grade air and what hose length? - ANS Grade D Air (oxygen level greater than or equal to 19.5% and less than or equal to 23.5%), hose must not exceed 300 feet in length. When do you replace coveralls daily? When do you replace them weekly? - ANS Weekly replacement if exposed to 50 - 200 μg/m3. Daily Replacement if exposed to more than 200 μg/m3. When are you required to wear a respirator? - ANS When an employee's exposure to lead exceeds the PEL, work operations for which engineering controls and work practices are not sufficient enough to reduce levels to below PEL, when an employee requests a respirator, and when respirators are used for interim practices during trigger tasks. EPA/HUD definition of Lead-Based Paint? - ANS ≥ 0.5% by weight or ≥ 1.0 mg/cm2 or ≥ 5000 ppm What year was the amount of lead that could be in certain coatings restricted to a lead concentration of less than ≤ 0.06% lead by weight (≤ 600 ppm) if the coating was applied to surfaces that could be accessible to children/the public and who by? - ANS 1978; Consumer Product Safety Commission. What year was the allowable amount of lead further reduced if applied to surfaces that could be accessible to children/the public and what was it lowered to? - ANS 2009; ≤0.009% lead by weight (≤ 90ppm) Who began phase out of lead gasoline for consumer use? What year and what act officially banned it? - ANS EPA; 1996 Clean Air Act.