CO SB125

Clarifies that the Air Quality Control Commission may give notice earlier than the required 60 days before hearings on air quality standards and rules, and requires notice to include a description of classes of persons and businesses affected by proposed rules.

Requires the Commission to promulgate procedural rules governing alternate proposals to air quality standards, including procedures for assigning a hearing officer and ensuring parties receive sufficient time to consider proposals and file written responses.

Establishes submission deadline for alternate proposals as no later than the deadline for party statements, and requires proposals to include an initial economic impact analysis, description of affected persons, and statement regarding stakeholder consultation.

Prohibits the Commission from considering an alternate proposal at a hearing unless it complies with bill requirements as determined by a hearing officer and includes all required documentation.

Requires hearing officers to determine proposal compliance within 10 days of submission and notify interested parties, and requires proposal proponents to submit a final economic impact analysis after the hearing officer's determination.