Indoor Air Quality

Question 1

Radon

Answer 1

Combustion pollutants and asbestos.

Question 2

How can radon gas can in buildings?

Answer 2

Radioactive transformation through soil and rock below structure. Can seep into structure through cracks, drains, pipes.

Question 3

How can radon induce lung cancer?

Answer 3

Alpha particles can mutate the DNA of the lung cell walls.

Question 4

What factors can increase chances of lung cancer from radon?

Answer 4

Smoking as it gives more attachments for the radon gas.

Question 5

How do you reduce indoor radon concentrations?

Answer 5

Dilution, suction, seals, bed of permeable gravel beneath structure.

Question 6

Sources of common combustion pollutants?

Answer 6

Fossil fuels or other carbon containing fuels that are combusted into atmosphere. Polluted air with CO, SO2, NO2, and formaldehyde

Question 7

Health effects of common combustion pollutants?

Answer 7

Oxygen starvation that causes death.

Question 8

Health effects of NO2 and SO2?

Answer 8

Breathable particles that can increase chances of asthma attack.

Question 9

Formaldehyde

Answer 9

Pigment has found in insulation in carpeting.

Question 10

Asbestos

Answer 10

Families of minerals that are flexible and fire resistant.

Inhaling particles can cause various forms of cancer such as mesothelioma.

Question 11

Threshold dose response

Answer 11

Suggests that cancer risk wouldn’t increase until an elevated combination of radon level and exposure is exceeded.