BPI Indoor Air Quality 1

Question 1

What is the BPI action level for ambient carbon monoxide (CO) in a home that requires immediate evacuation of occupants?

Accepted Answer

35 ppm

Answer

BPI requires immediate evacuation when ambient CO reaches 35 ppm, consistent with the EPA's 8-hour National Ambient Air Quality Standard.

Question 2

Which naturally occurring radioactive gas that seeps through foundation cracks is the second leading cause of lung cancer in the United States?

Accepted Answer

Radon

Answer

Radon is produced by the natural decay of uranium in soil and rock and is the second leading cause of lung cancer, responsible for about 21,000 deaths annually.

Question 3

What is the EPA's recommended action level for radon at which mitigation of a home is advised?

Accepted Answer

4 pCi/L

Answer

The EPA recommends mitigation when radon levels reach or exceed 4 picocuries per liter (pCi/L) of air in the home.

Question 4

Which of the following is the most common residential source of formaldehyde, a volatile organic compound (VOC)?

Accepted Answer

Pressed wood products and adhesive-bonded materials

Answer

Pressed wood products such as particleboard, plywood, and fiberboard use urea-formaldehyde resins that off-gas formaldehyde into the living space.

Question 5

Which building component is the primary entry point for radon gas into a home's living space?

Accepted Answer

Cracks and openings in foundation walls and floors

Answer

Radon migrates from the soil upward through cracks, expansion joints, sumps, and other openings in foundation walls and slabs into the home.

(BPI) Building Performance Institute Certified Practice Test

(BPI) Building Performance Institute Certified Practice Test

BPI Indoor Air Quality 1