CLARK COUNTY BOARD OF COMMISSIONERS
AGENDA ITEM
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Petitioner: |
Marci Henson, Director, Department of Environment and Sustainability |
Recommendation:
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Introduce an ordinance to adopt Clark County Air Quality Regulation Section 121, "Reasonably Available Control Technology Determinations for Specific Major Stationary Sources in the 2015 8-Hour Ozone NAAQS Moderate Nonattainment Area HA 212," to codify the reasonably available control technology determinations for certain major stationary sources that may cause or contribute to emissions of nitrogen oxides or volatile organic compounds within the ozone moderate nonattainment boundary; and providing for other matters properly related thereto; and set a public hearing. (For possible action)
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FISCAL IMPACT:
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BACKGROUND:
Sections 182(b)(2), (c), and (f) of the federal Clean Air Act (the Act) require ozone nonattainment areas to implement reasonably available control technology (RACT) emission standards for major stationary sources of ozone precursors, nitrogen oxides (NOx), and volatile organic compounds (VOCs). The U.S. Environmental Protection Agency's (EPA's) 2015 Ozone National Ambient Air Quality Standards Implementation Rule requires air pollution control agencies to submit a State Implementation Plan (SIP) revision that meets the Act’s NOx and VOC RACT requirements for any nonattainment area classified as “moderate” or higher (40 CFR Part 51.1312(a)).
On August 1, 2022, the Department of Environment and Sustainability, Division of Air Quality (DAQ) asked eight existing major stationary sources located in Hydrographic Area 212 to submit evaluations to establish major source RACT for their operations. DAQ reviewed the case-by-case evaluations submitted and issued a determination for each. To meet the RACT requirements for the Nevada SIP, Clark County Air Quality Regulation 121 will codify the determinations that require the major stationary sources to implement specific emissions standards for affected emissions units and includes testing, monitoring, recordkeeping, and reporting requirements.
Staff recommends that a public hearing be set for February 4, 2025, at 10:00 a.m.