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Lead IA Exam Practice Questions and Answers.pdf
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which federal agencies are actively involved in developing lead regulations and policies? - ✔ EPA, OSHA, HUD what role does OSHA play in the prevention of lead poisoning? - ✔ inspects job sites for worker safety and sets standards for worker protection Three are REQUIRED by OSHA for exposures over the lead PEL - ✔ - written compliance program
✔ False Which is the primary agency regulating lead-contaminated waster disposal? - ✔ In CA, Division of Toxic Substances Control within Cal/EPA. Outside of CA, EPA. in general, before disturbing lead painted surfaces, a contractor will need to - ✔ - train workers
HUD wipe sampling procedure requires - ✔ - sample on horizontal surfaces only
three steps in dust wipe sampling - ✔ - measure sample area exactly
There are 18 units in an apartment complex built in 1957. How many units would you need to inspect if there was lead paint in the units? - ✔ 100% bc under 20 units T/F when conducting a lead inspection in a multifamily housing, if you test 40 or more wood doors, you may use the sample results for that group of doors to determine whether all unsampled wood doors are positive or negative for lead - ✔ True what is meant by "high inconclusive" in XRF testing - ✔ the XRF reading is above the midpoint but within the inconclusive range for that XRF what may trigger an inspection of a private home for lead paint - ✔ - EBLL
pregnant women who disturb lead-based paint - ✔ need to be very careful because they transfer lead to the developing infant once lead is stored in the bone, it - ✔ must be considered in evaluation the long-term health threat of lead In adults lead poisoning may cause - ✔ - reproductive problems which would be considered a normal blood lead level in an adult - ✔ 6 ug/dL how are most children poisoned by lead - ✔ ingestion of lead dust which blood test is currently preferred for screening for low level lead exposure - ✔ blood lead level the most important safety practice for lead inspectors - ✔ wash hands after taking samples the 2 key controls for radiation exposure are -
✔ shielding, exposure time, distance what type of radiation used in an XRF can pass through solid walls and door - ✔ gamma radiation the maximum annual full body dose of radiation allowed for adults over 18 yo - ✔ 5.0 REM the source of lead contamination in drinking water may be - ✔ faucets, solder on copper pipe connections, service lines a lab gives you a floor dust sample results of 0.65mg/ft2. does this example exceed HUD/EPA risk assessment levels? - ✔ No, since 0.65 mg/ft2 is way below risk assessment levels a 1 g sample of paint contains 100 mg of lead. what is the percent lead by weight - ✔ 10% respirators should be tested and approved by - ✔ National Institute for Occupational Safety and Health (NIOSH) and the Mine Safety and Health Admin. (MSHA) the primary advantage of a powered-air-purifying respirator (PAPR) is -