What is an EPA nonattainment area?
Nonattainment: Any area that does not meet (or that contributes to ambient air quality in a nearby area that does not meet) the national primary or secondary ambient air quality standard for a NAAQS.
What states are in the Ozone Transport Region?
The Ozone Transport Region (OTR) was established by operation of law under CAA section 184 and comprises the states of Connecticut, Delaware, Maine, Massachusetts, Maryland, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont, the District of Columbia, and the portion of Virginia that is within …
Where are nonattainment areas?
A geographic area that meets or does better than the primary standard is called an attainment area; areas that don’t meet the primary standard are called nonattainment areas. In some cases, a designated nonattainment area can include portions of 2, 3, or 4 states rather than falling entirely within a single state.
Who enforces NAAQS?
the Federal EPA
Under the Clean Air Act, the Federal EPA has authority to establish NAAQS for six pollutants and develop other regulations through the rulemaking process, reviewing the standards every five years.
What are OTC States?
OTC members include the states of Connecticut, Delaware, the District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, and Virginia.
At what levels is ozone harmful?
These ozone molecules form the ozone layer and are commonly referred to as “good ozone.” At concentrations as high as 12,000 ppb (the EPA considers anything over 70 ppb to be unhealthy for human health and welfare) this ozone protects and shields people, trees, crops, property, and microorganisms from the harmful …
What time of day is ozone highest?
Ozone is the principal component of the mixture of air pollutants known as “smog” that is produced from the action of sunlight on air contaminants from automobile exhausts and other sources. Ozone levels are most likely to be elevated after noon through early evening on hot, sunny days.
What constitutes a nonattainment area concerning environmental pollution What classifications exist for such nonattainment areas?
In United States environmental law, a non-attainment area is an area considered to have air quality worse than the National Ambient Air Quality Standards as defined in the Clean Air Act Amendments of 1970 (P.L. An area may be a non-attainment area for one pollutant and an “attainment area” for others.
