Environmental Protection Agency March 29, 2010 – Federal Register Recent Federal Regulation Documents
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Approval and Promulgation of Air Quality Implementation Plans; Texas; Revision To Control Volatile Organic Compound Emissions in the Houston/Galveston/Brazoria 8-Hour Ozone Nonattainment Area
The Environmental Protection Agency (EPA) is approving a revision to the Texas State Implementation Plan (SIP). The revision adds additional requirements to control volatile organic compound (VOC) emissions from storage tanks, transport vessels and marine vessels in the Houston/Galveston/Brazoria (HGB) 1997 8-hour ozone nonattainment area, which consists of Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty, Montgomery and Waller counties. Specifically, this revision subjects owners or operators of VOC storage tanks, transport vessels, and marine vessels located in the HGB 1997 8-hour ozone nonattainment area to more stringent control, monitoring, and recordkeeping requirements. EPA is approving the SIP revision because it will help lower ozone levels in the HGB area by reducing VOC emissions. EPA is approving the revision pursuant to section 110 and part D of the Clean Air Act (CAA).
Approval and Promulgation of Air Quality Implementation Plans; Texas; Revision to Control Volatile Organic Compound Emissions in the Houston/Galveston/Brazoria 8-Hour Ozone Nonattainment Area
The Environmental Protection Agency (EPA) proposes to approve a revision to the Texas State Implementation Plan (SIP). The revision adds additional requirements to control volatile organic compound (VOC) emissions from storage tanks, transport vessels and marine vessels in the Houston/Galveston/Brazoria (HGB) 1997 8-hour ozone nonattainment area, which consists of Brazoria, Chambers, Fort Bend, Galveston, Harris, Liberty, Montgomery and Waller counties. Specifically, this revision subjects owners or operators of VOC storage tanks, transport vessels, and marine vessels located in the HGB 1997 8-hour ozone nonattainment area to more stringent control, monitoring, and recordkeeping requirements. EPA proposes to approve the SIP revision because it will help lower ozone levels in the HGB area by reducing VOC emissions. EPA proposes to approve the revision pursuant to section 110 and part D of the Clean Air Act (CAA).
National Primary Drinking Water Regulations; Announcement of the Results of EPA's Review of Existing Drinking Water Standards and Request for Public Comment and/or Information on Related Issues
The Safe Drinking Water Act (SDWA) requires the United States Environmental Protection Agency (EPA) to conduct a periodic review of existing National Primary Drinking Water Regulations (NPDWRs) and determine which, if any, need to be revised. The purpose of the review, called the Six-Year Review, is to identify those NPDWRs for which current health effects assessments, changes in technology, and/or other factors provide a health or technical basis to support a regulatory revision that will improve or strengthen public health protection. EPA has completed its detailed review of 71 NPDWRs and at this time believes that four NPDWRs are candidates for regulatory revision. These four NPDWRs are acrylamide, epichlorohydrin, tetrachloroethylene, and trichloroethylene. EPA requests public comment and/or relevant information that will assist the Agency as we move forward with regulatory action to revise these four NPDWRs. In addition to the 71 NPDWRs discussed in detail in today's action, this review also includes 14 other NPDWRs that need no detailed review because of recent or ongoing revision actions.
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