SIP Approval: California (volatile organic compound emissions for the San Joaquin Valley unified air pollution control district.

United States v. Columbus Manufacturing, Inc., No. 4:12-cv-00471-DMR (N.D. Cal. Jan. 30, 2012). A settling CAA, CERCLA, and EPCRA defendant responsible for violations at two meat processing facilities in South San Francisco and Hayward, California, must pay a $685,446 civil penalty and must perform injunctive relief valued at over $6 million. 

United States v. Union Pacific Railroad Co., No. 1:12-cv-00284-REB (D. Colo. Feb. 6, 2012). A settling CWA defendant responsible for unauthorized discharges of oil, coal, and stormwater into waters of the United States in Colorado, Utah, and Wyoming must pay a $1.5 million civil penalty, with interest; must correct deficiencies in its spill prevention, control, and countermeasure and facility response plans; and must conduct monitoring at all railyards to ensure compliance.

SIP Proposal: Wisconsin (attainment of the 1997 eight-hour ozone NAAQS for the Milwaukee-Racine and Sheboygan nonattainment areas and related actions).

SIP Proposal: llinois (attainment of the 1997 eight-hour ozone NAAQS for the Greater Chicago nonattainment area through 2025 and related actions).

SIP Proposal: Arkansas (partial approval of the 1997 eight-hour ozone and the 1997 and 2006 fine PM NAAQS).

SIP Approval: Maryland (limited approval of revisions to preconstruction program for electric generating stations).

SIP Proposal: Alabama/Georgia/Tennessee (fine PM 2002 base-year emissions inventory for the Chattanooga area).

SIP Approval: Alabama/Georgia/Tennessee (fine particulate matter (PM) 2002 base-year emissions inventory for the Chattanooga area) 77 FR 6467 (2/8/12).

EPA proposed revisions to the NESHAP for chromium electroplating and anodizing facilities and for steel pickling hydrochloric acid regeneration plants.