EPA proposed to approve Virginia's negative declaration and request for EPA withdrawal of its CAA §§111(d) and 129 plan approval for HMIWI units; see above for direct final rule.

EPA proposed to issue a 90-day stay of the requirement for chemical manufacturing area sources to comply with the NESHAPs permit program; see above for direct final rule

EPA seeks public comment on its decision to allow emergency stationary engines to operate for up to 15 hours per year.

EPA and the U.S. Coast Guard announced alternative arrangements under NEPA for the joint emergency temporary interim rule on the relocation of response resources for the Deepwater Horizon oil spill that will expire on December 31, 2010.

EPA removed saccharin and its salts from the lists of hazardous constituents, wastes, and substances under CERCLA and RCRA.

EPA approved revisions to North Carolina's hazardous waste management program.

United States v. Halliburton Energy Services, Inc., No. 4-07-CV-3795 (S.D. Tex. May 16, 2011). A settling CERCLA defendant responsible for violations at facilities in Houston, Odessa, and Webster, Texas, must pay $815,000 to the United States and $81,500 to Texas in response costs incurred or to be incurred at the sites.

In re Caribbean Petroleum Corp., No. 10-12553 (KG) (Bankr. D. Del. May 20, 2011). Settling CERCLA, CWA, Oil Pollution Act, and RCRA defendants responsible for violations at a petroleum distribution terminal in Bayamón, Puerto Rico, must provide the United States with general unsecured claims totaling $18,725,130 and must pay $8,200,000 in U.S. response costs and penalties.

United States v. South Carolina Electric & Gas Co., No. 2-11-cv-1110-CWH (D.S.C. May 9, 2011). A settling CERCLA and Park System Resource Protection Act defendant responsible for violations at the National Park Service's Dockside II Property in Fort Sumter National Monument, Charleston, South Carolina, must pay $3.6 million in U.S. response costs and damages incurred at the site, must pay $120,528.88 in natural resource damages to state and federal trustees, and must pay $29,471.12 in natural resource damage assessments to state and federal agencies.

United States v. Alsol Corp., No. 2:09-cv-03026 (JLL/CCC) (D.N.J. May 11, 2011). Settling CERCLA defendants that denied EPA entry and access to the Michelin Powerhouse Superfund site in Milltown, New Jersey, must pay a $200,000 civil penalty.