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

10 micrograms per cubic meter (μg/m³)

Answer

50 micrograms per cubic meter (μg/m³)

Answer

100 micrograms per cubic meter (μg/m³)

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

Material that contains less than 1% asbestos by weight

Answer

Material that has been treated with an encapsulant coating

Answer

Material found exclusively in pipe and boiler insulation

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

Remove it immediately using a shop vacuum to minimize exposure time

Answer

Cover it with new drywall and continue work on schedule

Answer

Continue work only if the material appears to be in non-friable condition

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

In regular municipal solid waste bins

Answer

Down the drain diluted with running water

Answer

By controlled burning in an outdoor fire pit

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

0.5 mg/cm²

Answer

0.7 mg/cm²

Answer

1.5 mg/cm²

Question 6

Which federal law provides the primary authority for EPA to regulate lead-based paint hazards in renovation work?

Accepted Answer

Toxic Substances Control Act (TSCA)

Answer

Clean Air Act

Answer

Resource Conservation and Recovery Act (RCRA)

Answer

Safe Drinking Water Act (SDWA)

Question 7

Class I asbestos work under OSHA standards, considered the most hazardous category, includes:

Accepted Answer

Removing or encapsulating sprayed-on or troweled-on asbestos or thermal system insulation

Answer

Installing new pipe insulation adjacent to existing asbestos pipe covering

Answer

Performing minor repairs to intact vinyl asbestos floor tiles

Answer

Painting over asbestos-containing ceiling texture without disturbing it