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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Conduct a public hearing and approve, adopt, and authorize the Chair to sign an ordinance to amend Clark County Air Quality Regulations Section 12.1, "Permit Requirements for Minor Sources," to update and correct certain citations, formatting, and voluntarily accepted permit requirements and clarify certain exempt and insignificant emissions units and activities; amend Section 12.11, "General Permits for Minor Stationary Sources," to add interpretation procedure to the definitions section; and providing for other matters properly related thereto; and authorize the Control Officer to compile and submit the approved ordinance and all related documentation to the Nevada Division of Environmental Protection for U.S. Environmental Protection Agency approval into the Nevada State Implementation Plan. (For possible action)
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FISCAL IMPACT:
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BACKGROUND:
On February 20, 2024, the Board of County Commissioners approved amendments to Clark County Air Quality Regulations (AQRs) Section 12.1, "Permit Requirements for Minor Sources," and Section 12.11, "General Permits for Minor Stationary Sources," and authorized their submission to the U.S. Environmental Protection Agency for inclusion into the Nevada State Implementation Plan. On March 19, 2024, the Board adopted Section 104, "VOC Emissions Control for Industrial Cleaning Solvent Operations," and Section 105, "VOC Emissions Control for Metal Solvent Degreaser Operations."
Because of the adoption of Sections 104 and 105, additional changes must be made to Section 12.1 to clarify that degreasers and ancillary parts washers cannot be deemed insignificant activities if they are subject to Section 104 or 105 requirements. The attached ordinance makes that clarification, and further clarifies that the exemption for air-conditioning units does not apply to evaporative cooling towers or fuel-burning heating units. In addition, the ordinance corrects formatting and citation issues in Section 12.1 and standardizes language in applications and permits related to voluntarily accepted emissions limitations and other standards.
The ordinance also amends Section 12.11 to provide a framework for interpreting terms in a way that is consistent with the other AQRs.