State Implementation Plans

State Implementation Plans (SIPs) are the roadmaps to clean air in Washoe County. Areas not meeting National Ambient Air Quality Standards are required to prepare, submit, and implement SIPs demonstrating attainment and maintenance of these standards.

Carbon Monoxide

• Second 10-Year Maintenance Plan for the Truckee Meadows 8-Hour Carbon Monoxide Attainment Area

Lead

• Infrastructure State Implementation Plan (I-SIP) for the 2008 Lead National Ambient Air Quality Standard

Ozone

• 8-hour Ozone Maintenance Plan

PM 2.5

• PM 2.5 Infrastructure SIP

PM 10

• Redesignation Request and Maintenance Plan for the Truckee Meadows 24-Hour PM₁₀ Non-Attainment Area