PDX_06.2_Construction And Air Quality

Question 0

Sheet rock sometimes contains this toxin

Answer 0

Formaldehyde

Question 1

Air temperature at ground level is lower than higher elevations causing heavy, cold trapped air below to release pollutants

Answer 1

Air pollution temperature inversion phenomenon

Question 2

Furniture can sometimes off gas toxic fumes from this material

Answer 2

Particleboard

Question 3

Asbestos should be checked for in all buildings before this year

Answer 3

Pre-1975

Question 4

Commonly found in all steam pipes, floors, ceilings, tiles

Answer 4

Asbestos

Question 5

16 ACH would be used in this size building

Answer 5

Hospital

Question 6

One ACH during one hour equals

Answer 6

63.2% new air in a room

Question 7

Poor Indoor Air-quality gets upgraded to Sick Building Syndrome when:

Answer 7

10% of occupants are sick,

20% of occupants complain.

Question 8

Number one cause for litigation regarding buildings

Answer 8

Sick building syndrome

Question 9

Mold growth requires:

Answer 9

Moisture,
A nutrient,
Temperature range of 40°-100°F

The only way to control mold growth is by controlling the moisture.

Question 10

• Natural occurring minerals composed of shiny flakes
• When he did that expands to 8-30 times their original size
• Used for insulation in attic’s and walls, and is fire resistant
• Sold in the United States between 1919-1990

Answer 10

Vermiculite

Question 11

Method to reduce radon

Answer 11

Vent pipe system, pulls radon from beneath house and vents outside

Question 12

Man-made material banned in 1979

Answer 12

Polychlorinated biphenyls

PCBs

Question 13

The bake out method for preventing for indoor air quality:

Answer 13

Heat the building to 100°F and release/repeat for two weeks