40 CFR § 52.2821
Classification of regions
June 9, 2020
The American Samoa plan was evaluated on the basis of the following classifications:
Open Table
| Air quality control region | Pollutant | ||||
|---|---|---|---|---|---|
| Particulate matter | Sulfur oxides | Nitrogen dioxide | Carbon monoxide | Photochemical oxidants (hydrocarbons) | |
| American Samoa | III | III | III | III | III |
[37 FR 10906, May 31, 1972]
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