SIP Proposal: Colorado (revised modeling of the 1997 eight-hour ozone NAAQS for the Denver metro area/North Front Range nonattainment area).

SIP Proposal: Alaska (update of PSD program).

EPA proposed to approve Florida's plan under the CAA for implementing and enforcing the emissions guidelines applicable to existing large municipal waste combustors; see above for direct final rule.

EPA requested information and public comment on the reporting of inputs to emission equations under the Mandatory Greenhouse Gas Reporting Rule.

EPA proposed to defer the reporting date of certain data elements for emission equations under the Mandatory Greenhouse Gas Reporting Rule for three years; see above for direct final rule.

United States v. Eastwood Construction, LLC, No. 3:11-cv-83 (W.D.N.C. Feb. 15, 2011). Settling CWA defendants responsible for permit violations at residential construction sites in North Carolina and South Carolina must pay a $60,000 civil penalty and must undertake compliance programs to reduce the threat of stormwater discharges at the sites.

United States v. Beazer East, Inc., No. 11-cv-1124 (E.D. Pa. Feb. 16, 2011). Settling CERCLA defendants responsible for violations at the Crater Resources Superfund site in Upper Merion Township, Pennsylvania, must pay $1,380,000 in U.S. response costs incurred at the site.

United States v. Ampersand Chowchilla Biomass, LLC, No. 1:11-cv-00242 (E.D. Cal. Feb. 14, 2011). A settling CAA defendant responsible for violations at its biomass electric-generating facilities in Madera, California, must pay a $343,000 civil penalty to the United States and the San Joaquin Valley unified air pollution control district, must install additional emissions monitoring equipment, and must comply with permit conditions over a two-year period or face stipulated penalties.

United States v. Merced Power LLC, No. 1:11-cv-00241 (E.D. Cal. Feb. 14, 2011). A settling CAA defendant responsible for violations at its biomass electric-generating facilities in Merced, California, must pay a $492,000 civil penalty to the United States and the San Joaquin Valley unified air pollution control district, must install additional emissions monitoring equipment, and must comply with permit conditions over a two-year period or face stipulated penalties

United States v. CEMEX, Inc., No. 3:11-cv-00037 (S.D. Ohio Feb. 10, 2011). Settling CAA defendants responsible for violations at a Portland cement manufacturing plant in Greene County, Ohio, must pay a $1,400,000 civil penalty to the United States and Ohio and must install and operate appropriate emission controls at their kiln.