EPA promulgated a rule under TSCA §4(a)(1)(B) to require manufacturers, importers, and processors to conduct testing to obtain screening level data for health and environmental effects and chemical fate for 15 high production volume chemical substances. 

NOAA increased the catch limits in the Northeast skate fishery for the remainder of the 2011 fishing year based on recent scientific information showing significant increases in the abundance of skates.

EPA finalized a rule to allow refiners and laboratories to use an alternative test method for olefin content in gasoline.

SIP Proposal: Missouri (greenhouse gas tailoring rule).

SIP Proposal: Kentucky (redesignation of the Kentucky portion of the Cincinnati-Hamilton 1997 annual fine PM nonattainment area to attainment).

NMFS designated approximately 360 square kilometers of rocky intertidal and subtidal habitat within five segments of the California coast between the Del Mar Landing Ecological Reserve to the Palos Verdes Peninsula, as well as on the Farallon Islands, Antildeo Nuevo Island, San Miguel Island, Santa Rosa Island, Santa Cruz Island, Anacapa Island, Santa Barbara Island, and Santa Catalina Island, as critical habitat for the endangered black abalone under the ESA.

FWS removed the Concho water snake from the list of endangered species based on the agency's determination that threats to this species have been eliminated or reduced to the point that the species has recovered and no longer meets the definition of threatened or endangered under the Act; the agency also removed the snake's federally designated critical habitat.

NOAA-Fisheries designated approximately 335 miles of freshwater creeks and rivers and their associated estuaries in California, Oregon, and Washington as critical habitat for the southern distinct population segment of Pacific eulachon fish under the ESA, excluding the land of four Native American tribes.

The Forest Service implemented the Community Forest and Open Space Conservation Program to provide competitive grants for the establishment of community forests through fee-simple acquisition of private forest land.

SIP Proposal: Illinois (volatile organic compound emission limits for consumer products and architectural and industrial maintenance coatings).