Federal Register #2026-20102

EPA proposes approval of Nevada’s Truckee Meadows PM10 maintenance plan

The U.S. Environmental Protection Agency is proposing to approve Nevada’s maintenance plan for the Truckee Meadows PM10 area as part of the state implementation plan. - Government buyer: U.S. Environmental Protection Agency (EPA), Region IX; the plan concerns the Washoe County portion of Nevada’s state implementation plan. - Action: Proposed regulatory approval of Nevada’s Second 10-Year Maintenance Plan for the Truckee Meadows 24-Hour PM10 Attainment Area. - Plan elements: Includes a base-year emissions inventory, a demonstration that the area will maintain air-quality standards, contingency provisions, and motor vehicle emissions budgets for transportation conformity. - Additional process: EPA is beginning a review of whether the motor vehicle emissions budgets are adequate for transportation conformity purposes. - Procurement relevance: This is a proposed environmental rulemaking, not a procurement opportunity. No products, services, quantities, part numbers, OEMs, or vendors are identified.

Description

The U.S. Environmental Protection Agency proposes to approve Nevada’s Second 10-Year Maintenance Plan for the Truckee Meadows 24-Hour PM10 Attainment Area as a revision to the Washoe County portion of the state implementation plan. The plan includes a base-year emissions inventory, a maintenance demonstration, contingency provisions, and motor vehicle emissions budgets for transportation conformity determinations. EPA is also initiating the adequacy process for the 2025, 2030, and 2040 motor vehicle emissions budgets. Comments are invited by November 2, 2026, and EPA plans to take final action after reviewing them.

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