Środowisko i energia · 14/04/1994

Approval and Promulgation of Air Quality Implementation Plans; Montana; State Implementation Plan for Columbia Falls PMINF10 Nonattainment Area

The Environmental Protection Agency (EPA) has approved Montana's State Implementation Plan (SIP) for the Columbia Falls PM10 nonattainment area, which aims to achieve National Ambient Air Quality Standards (NAAQS) for particulate matter.