BPI Indoor Air Quality

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

9 ppm

Answer

70 ppm

Answer

200 ppm

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

Carbon monoxide

Answer

Carbon dioxide

Answer

Methane

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

2 pCi/L

Answer

6 pCi/L

Answer

8 pCi/L

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

Natural gas combustion appliances

Answer

Asphalt roofing shingles

Answer

Copper water supply piping

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

Attic ventilation openings

Answer

Window frame gaps and seals

Answer

Roof penetrations and flashing

Question 6

What is the primary indoor air quality concern associated with combustion spillage from heating appliances?

Accepted Answer

Carbon monoxide infiltrating the occupied living space

Answer

Elevated indoor humidity causing mold growth

Answer

Oxygen depletion reducing combustion efficiency

Answer

Thermal discomfort near the appliance location

Question 7

Which household product category is a major source of volatile organic compounds (VOCs) including benzene and toluene in residential buildings?

Accepted Answer

Paints, varnishes, and cleaning products

Answer

Ceramic floor tiles

Answer

Concrete block walls

Answer

Fiberglass insulation batts