Classification of Pollutants and Sources; Legislation

Question 1

Primary Pollutant

Answer 1

Pollutant emitted directly from a source

Question 2

Secondary Pollutant

Answer 2

Created in the atmosphere by reactions among primary pollutants

Question 3

Criteria Pollutants - definition

Answer 3

7 main pollutants for NAAQS

Question 4

NAAQS

Answer 4

National Ambient Air Quality Standards

Question 5

Criteria Pollutants (list)

Answer 5

PM10, PM2.5, SO2, CO, NO2, Pb, Ozone

Question 6

VOC - volatile organic compounds

Answer 6

Organic compounds with high vapor pressures. Interact in rxns that form ground level ozone

Question 7

HAP - hazardous air pollutants

Answer 7

Specific compounds not within NAAQS but harmful to human health (ex: asbestos)

Question 8

GHG - Greenhouse gases

Answer 8

Gases that trap heat in the atmosphere (CO2, CH4, fluorinated gases)

Question 9

Ozone depleting gases

Answer 9

halogens - contribute to ozone destruction (CFC fluorocarbons)

Question 10

Anthropogenic Sources

Answer 10

Created/Cased by human activities

Question 11

Mobile Sources

Answer 11

not confined to one location (ex. vehicles)

Question 12

Stationary Sources

Answer 12

confined to one location (consisting of facilities with industrial or combustion process)

Question 13

Air emissions regulated by two ways - NAAQS, Source Performance Standards

Answer 13

1. NAAQS - 7 targeted pollutants

2. Source Performance Standards - emissions of pollutants from specific sources (ex: mass emissions/unit time)

Question 14

2 criteria for criteria pollutants

Answer 14

1. endangers public health or welfare

2. presence in air is due to numerous mobile or stationary sources

Question 15

NAAQS Primary Standard

Answer 15

Enforced, protects direct impact on human health

Question 16

NAAQS Secondary Standard

Answer 16

Provide public welfare protection (ex. destruction of property with acid rain)