What is the “major source” threshold for nonattainment and attainment areas, res

Question

What is the “major source” threshold for nonattainment and            attainment areas, respectively, under the CAAA of 1990?

a) NNSR = 100 tons/year; PSD = 250 tons/year with 100 tons/year for categorical sources

b) NSR = 250 tons/year; PSD = 100 tons per year

c) NSR = 50 tons/year; PSD = 100 tons per year

d) PSD = 100 tons per year; NSR = 50 tons/yr

In the CAAA of 1990, Prevention of Significant Deterioration (PSD) applies to new major sources or major modifications to existing sources for pollutants where the area the source is located in is an attainment area or is unclassifiable for any NAAQS; the general purpose of PSD is to protect general health and welfare, ensure economic growth will occur in a manner consistent with preservation of existing clean air levels (no degradation of air quality from existing).

            a) True

b) False

In the CAAA of 1990, the acronym NSR stands for New Source Review (permitting program) and is a pre-construction permitting program used in non-attainment areas to ensure that air quality is not significantly degraded from the addition of new and modified existing factories, industrial boilers, and power plants. Its purposes are for areas of unhealthy air, where the purposes for NSR is to ensure that new emissions do not slow progress toward cleaning up the air in that air shed and forcing emitters to utilize the latest emissions controls technologies is a priority.

            a) True

            b) False

The statute governing federal operating permits is found in what Title of the Clean Air Act?

a) Subchapter VII

b) Title V

c) Subchapter V

d) Title II

Choose the best brief description of the difference between primary and secondary national ambient air quality standards (NAAQS).

a) Primary NAAQS are set at a level to protect public health (including sensitive populations with a margin of safety). Secondary NAAQS are set at a level to protect public welfare (including visibility and similar effects).

b) Primary NAAQS are set at a level to public welfare, while Secondary standards are set to protect public health

c) Primary NAAQS are for heavy metals only while Secondary NAAQS standards are for SO2 and NOX only

d) There is no difference in NAAQS for primary and secondary standards

Explanation / Answer

1.a) NSR = 100 tons/year; PSD = 250 tons/year with 100 tons/year for categorical sources

2. True

3. False

4. C. Subchapter 6

5. a) Primary NAAQS are set at a level to protect public health (including sensitive populations with a margin of safety). Secondary NAAQS are set at a level to protect public welfare (including visibility and similar effects).

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