EPA, after further evaluation, proposed to grant a petition to exclude (or delist) from the lists of hazardous wastes the underflow water generated by ExxonMobil Refining and Supply Company in Baytown, Texas.

SIP Proposal: Utah (disapproval of revision on open burning).

SIP Proposal: Michigan (PSD construction permit program).

SIP Approval: Texas (failure to attain the one-hour ozone NAAQS for the Houston/Galveston/Brazoria nonattainment area).

SIP Approval: Massachusetts (attainment of the 1997 eight-hour ozone NAAQS for the Springfield moderate nonattainment area for the 2007-2009 and 2008-2010 monitoring periods).

EPA proposed to approve a revision to Alabama's public water system supervision program.

EPA adopted several new aircraft nitrogen oxide emission standards, compliance flexibilities, and other regulatory requirements for aircraft turbofan or turbojet engines.

EPA determined that the New York-Northern New Jersey-Long Island nonattainment areas failed to attain the one-hour ozone standard by the 2007 deadline, but that they are currently attaining the one-hour ozone standard and that they attained and continue to attain the eight-hour ozone standards.

United States v. Siemens Industry, Inc., No. 1:12-cv-00729 (D. Del. June 11, 2012). Settling CWA defendants responsible for violations at an oil recycling, storage, and distribution facility in Wilmington, Delaware, must pay a $300,000 civil penalty and must take appropriate actions to comply with secondary containment requirements and with spill prevention, control, and countermeasure plan requirements.

SIP Proposal: New Mexico (regional haze requirements).