Approval and Promulgation of Air Quality Implementation Plans; States of Colorado, Utah and Wyoming; General Conformity

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EPA is proposing approval of the State Implementation Plan (SIP) revisions submitted by the States of Colorado, Utah and Wyoming incorporating the General Conformity provisions of 40 CFR part 51, subpart W, and 40 CFR part 93, subpart B. The implementation plan revisions were submitted by these States to satisfy the requirements of section 176(c) of the Clean Air Act for revisions to the SIP which contain criteria and procedures for assessing the conformity of Federal actions to the applicable implementation plan. These States have incorporated the Federal General Conformity provisions into their SIPs by reference. Additional information is available at the address indicated below. In the Final Rules section of this Federal Register, EPA is approving the States' SIP revisions as a direct final rule without prior proposal because the Agency views these as noncontroversial revisions and anticipates no adverse comments. A detailed rationale for the approval is set forth in the direct final rule. If no adverse comments are received in response to this proposed rule, no further activity is contemplated in relation to this rule. If EPA receives adverse comments, the direct final rule wil