Renovation Contractors Environmental Regulations and Hazardous Materials 2

Question 1

Under OSHA's lead in construction standard (29 CFR 1926.62), the action level for airborne lead exposure is:

Accepted Answer

30 micrograms per cubic meter (μg/m³)

Answer

OSHA's action level for lead in construction is 30 μg/m³ as an 8-hour time-weighted average, triggering requirements for air monitoring, medical surveillance, and training.

Question 2

Which of the following best describes 'friable' asbestos-containing material (ACM)?

Accepted Answer

Material that can be crumbled by hand pressure, releasing fibers into the air

Answer

Friable ACM can be crumbled, pulverized, or reduced to powder by hand pressure, making it especially hazardous because fibers are easily released into the air.

Question 3

When asbestos-containing material (ACM) is unexpectedly discovered during a renovation, what is the required first action?

Accepted Answer

Stop work in the affected area and notify the appropriate regulatory authorities

Answer

When ACM is discovered, work must stop in the affected area and proper regulatory notification and licensed abatement procedures must be followed before resuming.

Question 4

Lead-contaminated renovation waste must be disposed of in what manner?

Accepted Answer

As regulated waste in accordance with EPA hazardous waste guidelines

Answer

Lead-contaminated waste must be disposed of as regulated waste per EPA guidelines, sealed in plastic bags and taken to approved disposal or recycling facilities.

Question 5

Under EPA and HUD standards, the threshold reading that identifies lead-based paint when using XRF (X-ray fluorescence) testing is:

Accepted Answer

1.0 mg/cm²

Answer

EPA and HUD define lead-based paint as paint containing lead at or above 1.0 mg/cm² when measured by XRF analyzer, triggering lead-safe work practice requirements.

Renovation Contractors Practice Test

Renovation Contractors Practice Test

Renovation Contractors Environmental Regulations and Hazardous Materials 2