26. Approval and Promulgation of Air Quality Implementation Plans; State of Colorado; Denver Carbon Monoxide Redesignation
PROPOSED RULES: Colorado,
On May 10, 2000, the Governor of Colorado submitted a request
to redesignate the DenverBoulder metropolitan (hereafter, Denver)
``serious'' carbon monoxide (CO) nonattainment area to attainment for
the CO National Ambient Air Quality Standard (NAAQS). The Governor also
submitted a CO maintenance plan. In conjunction with the maintenance
plan, the