Environmental Protection Agency March 11, 2011 – Federal Register Recent Federal Regulation Documents

Approval of One-Year Extension for Attaining the 1997 8-Hour Ozone Standard in the Baltimore Moderate Nonattainment Area
Document Number: 2011-5631
Type: Rule
Date: 2011-03-11
Agency: Environmental Protection Agency
EPA is approving the extension of the attainment date from June 15, 2010 to June 15, 2011 for the Baltimore nonattainment area, which is classified as moderate for the 1997 8-hour ozone National Ambient Air Quality Standard (NAAQS). This extension is based on the air quality data for the 4th highest daily 8-hour monitored value during the 2009 ozone season. Accordingly, EPA is revising the table concerning the 8-hour ozone attainment dates in the State of Maryland. EPA is approving the extension of the attainment date for the Baltimore moderate ozone nonattainment area in accordance with the requirements of the Clean Air Act (CAA).
Integrated Risk Information System (IRIS); Announcement of Availability of Literature Searches for IRIS Assessments
Document Number: 2011-5629
Type: Notice
Date: 2011-03-11
Agency: Environmental Protection Agency
The U.S. Environmental Protection Agency (EPA) is announcing the availability of literature searches for cobalt (CASRN 7440-48-4) and inorganic cobalt compounds, vanadium pentoxide (CASRN 1314-62-1), vinyl acetate (CASRN 108-05-4), and Libby Amphibole asbestos. EPA is requesting scientific information on health effects that may result from exposure to these chemical substances. EPA's IRIS is a human health assessment program that evaluates quantitative and qualitative risk information on effects that may result from exposure to specific chemical substances found in the environment.
Environmental Impact Statements; Notice of Availability
Document Number: 2011-5618
Type: Notice
Date: 2011-03-11
Agency: Environmental Protection Agency
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