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On agenda:
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12/2/2025
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Final action:
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Title:
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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 clarify language throughout, modify the definition of "minor source," add a map requirement to application contents, and modify public participation requirements; amend Section 102, "Gas-oline Dispensing Facilities," to clarify and modify monitoring inspection frequency requirements; and providing for other matters properly related thereto; and to authorize the Control Officer to compile and submit the approved ordinance and all related documentation, including the Technical Support Document, 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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CLARK COUNTY BOARD OF COMMISSIONERS
AGENDA ITEM
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Petitioner: |
Marci Henson, Director, Department of Environment and Sustainability |
Recommendation:
title
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 clarify language throughout, modify the definition of "minor source," add a map requirement to application contents, and modify public participation requirements; amend Section 102, "Gas-oline Dispensing Facilities," to clarify and modify monitoring inspection frequency requirements; and providing for other matters properly related thereto; and to authorize the Control Officer to compile and submit the approved ordinance and all related documentation, including the Technical Support Document, 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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Fund #: |
N/A |
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Funded PGM/Grant: |
N/A |
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Description: |
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Additional Comments: |
N/A |
BACKGROUND:
On December 3, 2024, the Board of County Commissioners (BCC) approved the amendment of Section 12.1 of the Clark County Air Quality Regulations (AQRs), "Permit Requirements for Minor Sources." On February 4, 2025, the BCC approved the amendment of AQR Section 102, "Gasoline Dispensing Facilities."
This ordinance proposes to amend AQR 12.1 to update and clarify language throughout, modify the definition of "minor source," clarify application requirements, adjust emission thresholds for public participation, and remove a specific U.S. Environmental Protection Agency (EPA) notification requirement.
The definition of "minor source" is modified by removing AQR 12.1.1(e)(3) to ensure minor sources located outside nonattainment areas are not inadvertently disqualified. A requirement for a location map of the stationary source is added in AQR 12.1.3.6, "Application Contents," to align it with current minor source permit application practices. A new provision, AQR 12.1.5.3(a)(1)(B), lowers the thresholds for volatile organic compounds or nitrogen oxides in ozone nonattainment areas from 40 to 25 tons per year for publication of a Notice of Proposed Action. The requirement in AQR 12.1.5.3(a)(5)(A) to send EPA a specific notification for all stationary source permits with voluntarily accepted emission limits is removed.
The ordinance also proposes to amend AQR 102.10(b) to clarify vapor leak inspection frequency requirements. The provision specifies that monitoring using sight, smell, or sound must be conducted on a monthly basis, while inspections using soap solution spray (in accordance with EPA Method 21) must be conducted annually.
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