View all text of Subpart M [§ 52.620 - § 52.634]
§ 52.621 - Classification of regions.
The Hawaii plan was evaluated on the basis of the following classifications:
| Air quality control region | Pollutant | Particulate matter | Sulfur oxides | Nitrogen dioxide | Carbon monoxide | Photochemical oxidants (hydrocarbons) | State of Hawaii | II | III | III | III | III |
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