Carbon Monoxide (CO)

•  CO Redesignation Request and Maint. Plan (Sep 2008) A formal request to the EPA to redesignate the Las Vegas Valley nonattainment area to attainment of the 8-hour CO NAAQS, and demonstration of continued attainment through year 2020.
•  CO State Implementation Plan (August 2000) A description of control measures and technologies to bring the Las Vegas Valley into compliance with federal health-based standards for carbon monoxide.
•  CO State Implementation Plan Revision (October 2005). The CO SIP revision updated CO emissions budgets using the latest model approved by EPA for transportation conformity determinations (MODEL6).
• Federal Register Notice of Attainment  (June 1st 2005)
  Federal Register notice denoting EPA's determination of attainment for CO NAAQS with the Las Vegas Valley Nonattainment Area, Clark County, Nevada.
•  Carbon Monoxide Saturation Study (April 2002). A detailed assessment of CO concentrations in the Las Vegas Valley conducted by Technical & Business Systems, Inc., Santa Rosa, CA.
•  Evaluation of the Effectiveness of the Clark County Vehicle Inspection and Maintenance Program (December 2002). This study was conducted by Parsons of Oakland, CA to determine an effectiveness rate for the Vehicle Inspection and Maintenance Program in Clark County.