Energy & environment · 21/10/1994Updated: 10/18/2026 · 1 min read
USEPA Extends Comment Period for Michigan State Implementation Plan
Summary
The United States Environmental Protection Agency (USEPA) is extending the comment period for a proposed action related to the State of Michigan's State Implementation Plan (SIP) to address particulate matter air quality standards, originally proposed on June 15, 1994.
Original source language: Federal Register — Environmental Protection AgencyOpen original release →