OHIO Lead Risk Assessor Final Exam Version 1 Newest
2025/2026 Actual Exam Complete 150 Questions And
Correct Detailed Answers (Verified Answers) |Already
Graded A+||Brand New Version!!
What are the symptoms of lead poisoning? -:: answers :-Upset stomach, behavioral
problems, delayed development, hyperactivity
What level of lead in children is currently regulated by the Ohio Department of Health? -::
answers :-5 ug/dL
What medical procedure is used to remove lead from the body? -:: answers :-chelation
What are "safe work" practices as defined in 24 CFR 35? -:: answers :-Must use certified
individuals for all LBP activities
Must follow HUD guidelines and EPA guidance
Define enclosure -:: answers :-Cover painted surface with a material and seal it
Define encapsulation -:: answers :-Coating designed to seal the lead not to breathe and is
elastomeric, has to be on ODH list of approved encapsulants
Define removal -:: answers :-Strip the paint
,How did Title X affect OSHA? -:: answers :-It required OSHA to issue a lead standard for the
construction industry
What is OSHA's action level for lead? -:: answers :-30 mg/m^3
What is OSHA's Permissible Exposure Limit (PEL) for lead? -:: answers :-50 mg/m^3
How does the floor plan serve our inspection plan? -:: answers :-It shows where we tested
What is a room equivalent? -:: answers :-A specific area of a dwelling that is distinguished
from other areas
What is the building component type? -:: answers :-Floor, wall, ceiling, floorboards, etc
What is the substrate? -:: answers :-A type of building component such as drywall, wood,
plaster
What is the testing combination? -:: answers :-Combination of building component,
substrate, and paint
List the six substrates HUD recommends we use -:: answers :-Wood, drywall, plaster, metal,
brick, concrete
How many walls do we test in each room? -:: answers :-All 4 walls
When would we test more than one door in the same room equivalent? -:: answers :-When
the doors are differently painted/glazed
, What type of XRF is currently used in our industry? -:: answers :-Spectrum analyzer
What are the two radioactive sources used in XRFs and what is the half-life of each? -::
answers :-Cobalt-57 isotope (9 months) and cadmium-109 (15 months)
What is a dosimeter? -:: answers :-a device used to measure an absorbed dose of ionizing
radiation.
How often do we check the calibration of an XRF? -:: answers :-Before inspection, every 4
hours during the inspection, after inspection
How do we check the calibration of an XRF? -:: answers :-Test it on a surface with a known
level of lead 3 times and average it then test on a surface with no lead 3 times and average it
Define accuracy -:: answers :-measurement close to true value
Define Bias -:: answers :-A systematic error in reading
Define precision -:: answers :-how close measurements are to each other
What are the storage requirements of an XRF? -:: answers :-It has to have the radiation sign
on its storage area and has to be in a case in a secure area
How many we not ship an XRF? -:: answers :-Through USPS
Why does spatial variation in the amount of lead that is in a painted surface complicate the
sampling of paint for lead? -:: answers :-You wouldn't always know the true concentration of
lead in the paint
2025/2026 Actual Exam Complete 150 Questions And
Correct Detailed Answers (Verified Answers) |Already
Graded A+||Brand New Version!!
What are the symptoms of lead poisoning? -:: answers :-Upset stomach, behavioral
problems, delayed development, hyperactivity
What level of lead in children is currently regulated by the Ohio Department of Health? -::
answers :-5 ug/dL
What medical procedure is used to remove lead from the body? -:: answers :-chelation
What are "safe work" practices as defined in 24 CFR 35? -:: answers :-Must use certified
individuals for all LBP activities
Must follow HUD guidelines and EPA guidance
Define enclosure -:: answers :-Cover painted surface with a material and seal it
Define encapsulation -:: answers :-Coating designed to seal the lead not to breathe and is
elastomeric, has to be on ODH list of approved encapsulants
Define removal -:: answers :-Strip the paint
,How did Title X affect OSHA? -:: answers :-It required OSHA to issue a lead standard for the
construction industry
What is OSHA's action level for lead? -:: answers :-30 mg/m^3
What is OSHA's Permissible Exposure Limit (PEL) for lead? -:: answers :-50 mg/m^3
How does the floor plan serve our inspection plan? -:: answers :-It shows where we tested
What is a room equivalent? -:: answers :-A specific area of a dwelling that is distinguished
from other areas
What is the building component type? -:: answers :-Floor, wall, ceiling, floorboards, etc
What is the substrate? -:: answers :-A type of building component such as drywall, wood,
plaster
What is the testing combination? -:: answers :-Combination of building component,
substrate, and paint
List the six substrates HUD recommends we use -:: answers :-Wood, drywall, plaster, metal,
brick, concrete
How many walls do we test in each room? -:: answers :-All 4 walls
When would we test more than one door in the same room equivalent? -:: answers :-When
the doors are differently painted/glazed
, What type of XRF is currently used in our industry? -:: answers :-Spectrum analyzer
What are the two radioactive sources used in XRFs and what is the half-life of each? -::
answers :-Cobalt-57 isotope (9 months) and cadmium-109 (15 months)
What is a dosimeter? -:: answers :-a device used to measure an absorbed dose of ionizing
radiation.
How often do we check the calibration of an XRF? -:: answers :-Before inspection, every 4
hours during the inspection, after inspection
How do we check the calibration of an XRF? -:: answers :-Test it on a surface with a known
level of lead 3 times and average it then test on a surface with no lead 3 times and average it
Define accuracy -:: answers :-measurement close to true value
Define Bias -:: answers :-A systematic error in reading
Define precision -:: answers :-how close measurements are to each other
What are the storage requirements of an XRF? -:: answers :-It has to have the radiation sign
on its storage area and has to be in a case in a secure area
How many we not ship an XRF? -:: answers :-Through USPS
Why does spatial variation in the amount of lead that is in a painted surface complicate the
sampling of paint for lead? -:: answers :-You wouldn't always know the true concentration of
lead in the paint
