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

• Redesignation Request and Maintenance Plan (PDF, 756 KB)
  • Appendices A-D (PDF, 2.83 MB)

Lead

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

Ozone

• 8-hour Ozone Maintenance Plan (PDF, 464 KB)
  • Appendix A (PDF, 679 KB)
  • Appendix B (PDF, 373 KB)
  • Appendix C (PDF, 600 KB)

PM 2.5

• PM 2.5 Infrastructure SIP (PDF, 1.78 MB)

PM 10

• Redesignation Request and Maintenance Plan (PDF, 4.62 MB)