StacksVerified U.S. regulatory reference

40 CFR §63.11428

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)You are subject to this subpart if you own or operate a wood preserving operation that is an area source of hazardous air pollutant (HAP) emissions.
  2. (b)The affected source is each new or existing wood preserving operation.
    1. (1)An affected source is existing if you commenced construction or reconstruction of the affected source on or before April 4, 2007.
    2. (2)An affected source is new if you commenced construction or reconstruction of the affected source after April 4, 2007.
  3. (c)You are exempt from the obligation to obtain a permit under 40 CFR part 70 or 40 CFR part 71, provided you are not otherwise required by law to obtain a permit under 40 CFR 70.3(a) or 40 CFR 71.3(a). Notwithstanding the previous sentence, you must continue to comply with the provisions of this subpart.