ANSWERS ALL CORRECT
What pollution control strategy adopted in the early 1970's to combat localized air
quality violations actually worsened the acid rain problem for other places? - Answer-
tall stacks
What is the action level for radon gas? - Answer- radioactive
Where in a home are radon concentrations likely to be highest? - Answer- basement
What is the most significant indoor source of particulate pollution? - Answer- cigarette
smoke
What is the most frequent cause of sick building syndrome? - Answer- poor ventilation
and indoor air pollution
Particular board, plywood, and wood paneling may emit significant amounts of what
common indoor air pollutant? - Answer- formaldehyde
What is the largest source of air pollution in industrialized countries? - Answer-
automobiles
What does NAAQS stand for? - Answer- National Ambient Air Quality Standards
The _______ of 1970 was a landmark piece of legislation that provided the first
comprehensive program for attacking air pollution. - Answer- Clean air acts
(amendments)
How do automobile inspection and maintenance programs help protect air quality? -
Answer- require
List 4 hazardous air pollutants (HAPs) - Answer- asbestos, mercury, beryllium,
benzene, vinyl chloride, arsenic, radionuclides
What is the difference between acute toxicity and chronic toxicity? - Answer- Acute: one
time exposure causes harm.
Chronic: repeated low-doses eventually causing harm.