June 30, 2021:  U.S. Steel is running out of legal options to avoid regulation of the sulfate pollution discharged at its Minntac facility in Mountain Iron, Minnesota.  U.S. Steel’s latest legal loss may mark the end of its attempt to block the state’s Pollution Control Agency from enforcing a more stringent sulfate limit, according to a June 2021 report by Marshall Helmberger in the [St. Louis County, MN] Timberjay. Read the article online or as a PDF.