OSHA 30 Module 20: Lead Exposure
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
What is the primary health risk associated with lead exposure in construction?
✔✔Lead poisoning, which can affect the nervous system, kidneys, and reproductive organs
Why is it important to monitor blood lead levels in workers exposed to lead?
✔✔To assess the extent of exposure and prevent lead poisoning by taking appropriate preventive
measures
What should workers do to minimize lead dust exposure when sanding lead-based paint?
✔✔Use wet sanding methods or a HEPA vacuum, and wear appropriate PPE such as respirators
and gloves
How should lead-contaminated clothing be handled on a construction site?
✔✔It should be removed and sealed in plastic bags for proper disposal, and workers should
shower before leaving the site
1
, What is the role of a certified lead abatement contractor on a construction site?
✔✔To ensure that lead removal procedures are carried out safely, in compliance with
regulations, and to minimize exposure to workers and residents
How can workers protect themselves from inhaling lead fumes when welding or cutting lead-
containing materials?
✔✔Wear appropriate respirators, use ventilation systems, and ensure the work area is adequately
ventilated
What is the first step in lead exposure control during demolition work involving lead-containing
materials?
✔✔Identify and assess the presence of lead-based materials before starting demolition activities
What is the purpose of using a HEPA filter in equipment like vacuums and air purifiers on lead-
contaminated sites?
✔✔To capture and remove fine lead dust particles from the air, preventing inhalation and further
contamination
How can lead exposure be minimized in an area with deteriorating lead-based paint?
2
Questions and Answers | Latest Version
| 2024/2025 | Correct & Verified
What is the primary health risk associated with lead exposure in construction?
✔✔Lead poisoning, which can affect the nervous system, kidneys, and reproductive organs
Why is it important to monitor blood lead levels in workers exposed to lead?
✔✔To assess the extent of exposure and prevent lead poisoning by taking appropriate preventive
measures
What should workers do to minimize lead dust exposure when sanding lead-based paint?
✔✔Use wet sanding methods or a HEPA vacuum, and wear appropriate PPE such as respirators
and gloves
How should lead-contaminated clothing be handled on a construction site?
✔✔It should be removed and sealed in plastic bags for proper disposal, and workers should
shower before leaving the site
1
, What is the role of a certified lead abatement contractor on a construction site?
✔✔To ensure that lead removal procedures are carried out safely, in compliance with
regulations, and to minimize exposure to workers and residents
How can workers protect themselves from inhaling lead fumes when welding or cutting lead-
containing materials?
✔✔Wear appropriate respirators, use ventilation systems, and ensure the work area is adequately
ventilated
What is the first step in lead exposure control during demolition work involving lead-containing
materials?
✔✔Identify and assess the presence of lead-based materials before starting demolition activities
What is the purpose of using a HEPA filter in equipment like vacuums and air purifiers on lead-
contaminated sites?
✔✔To capture and remove fine lead dust particles from the air, preventing inhalation and further
contamination
How can lead exposure be minimized in an area with deteriorating lead-based paint?
2
