View all text of Subjgrp 231 [§ 49.10131 - § 49.10160]

§ 49.10135 - Classification of regions for episode plans.

The air quality control region which encompasses the Hoh Indian Reservation is classified as follows for purposes of episode plans:

Pollutant Classification Carbon monoxideIII Nitrogen dioxideIII OzoneIII Particulate matter (PM10)II Sulfur oxidesII