CLARK COUNTY BOARD OF COMMISSIONERS
AGENDA ITEM
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Petitioner: |
Marci Henson, Department of Environment and Sustainability |
Recommendation:
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Conduct a public hearing and approve, adopt, and authorize the Chair to sign an ordinance to amend Clark County Air Quality Regulations Sections 13 and 14 to incorporate by reference updates to delegated federal National Emission Standards for Hazardous Air Pollutants (NESHAPs) and New Source Performance Standards (NSPS), respectively, in effect as of July 1, 2025; update subpart titles of NESHAPs and NSPS as necessary; and providing for other matters properly related thereto. (For possible action)
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FISCAL IMPACT:
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BACKGROUND:
Pursuant to Title 40, Parts 61 and 63 of the Code of Federal Regulations (40 CFR Parts 61 and 63), stationary sources that emit specific types and quantities of hazardous air pollutants are subject to National Emission Standards for Hazardous Air Pollutants (NESHAPs) requirements. Specific types of stationary sources that emit criteria pollutants, such as carbon monoxide and particulate matter, are subject to New Source Performance Standards (NSPS) requirements pursuant to 40 CFR Part 60. The U.S. Environmental Protection Agency has delegated the responsibility for administering certain NESHAP and NSPS requirements to Clark County. On September 17, 2024, the Board adopted amendments to Sections 13 and 14 of the Clark County Air Quality Regulations to incorporate by reference those requirements in effect as of August 1, 2024. The Board’s actions will ensure that federal NESHAP and NSPS requirements are current and continue to be administered by the County.
The proposed ordinance updates these requirements through July 1, 2025, and updates subpart titles as necessary. The technical support document provides context and explanation for the proposed updates.