SIP Approval: Arizona (Nogales particulate matter nonattainment area).

SIP Approval: Alabama (regional haze).

EPA entered into a proposed consent decree that require the Agency to sign a notice of final rulemaking no later than December 14, 2012, setting forth its final decision concerning its review of NAAQS for particulate matter and promulgating such revisions to the NAAQS and/or promulgating new NAAQS if appropriate.

SIP Proposal: Virgin Islands (regional haze federal implementation plan).

SIP Proposal: Utah (new and modified sources).

SIP Proposals: South Carolina (emissions statements requirement for the York County portion of the bi-state Charlotte- Gastonia-Rock Hill, North Carolina-South Carolina 1997 8-hour ozone nonattainment area).

SIP Approval: South Carolina (emissions statements requirement for the York County portion of the bi-state Charlotte- Gastonia-Rock Hill, North Carolina-South Carolina 1997 8-hour ozone nonattainment area).

EPA added trans-1,3,3,3-tetrafluoropropene (also known as HFO-1234ze) to the list of compounds excluded from the definition of "volatile organic compound" on the basis that this compound makes a negligible contribution to tropospheric ozone formation. 

United States v. City of Perth Amboy, No. 2:12-cv-03404 (D.N.J. June 6, 2012). A settling CWA defendant that did not properly operate and maintain its combined sewer system must pay a $17,000 penalty and must implement injunctive relief valued at approximately $5.4 million.

FWS announced a 90-day finding on a petition to list the black-capped petrel as endangered or threatened and to designate critical habitat in the South Atlantic and Caribbean region under the ESA; the agency found that listing is warranted and initiated a status review.