Energy & environment · 25/10/2004Updated: 10/17/2026 · 1 min read
EPA Approves Colorado's Air Quality Implementation Plan for Steamboat Springs
The Environmental Protection Agency (EPA) has finalized a rule to approve Colorado's State Implementation Plan (SIP) revision for the Steamboat Springs area, redesignating it from nonattainment to attainment for particulate matter with a diameter of 10 micrometers or less, in accordance with the 1987 standards.