Environmental Protection Agency March 27, 2006 – Federal Register Recent Federal Regulation Documents
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Extension of Public Comment Period for Proposed Rule on the Transition to New or Revised Particulate Matter (PM) National Ambient Air Quality Standards (NAAQS)
The EPA is announcing a 90-day extension of the public comment period for the proposed ``Transition to New or Revised Particulate Matter (PM); National Ambient Air Quality Standards (NAAQS).'' As initially published in the Federal Register on February 9, 2006 written comments on the advance proposal for rulemaking were to be submitted to EPA on or before April 10, 2006 (a 60-day public comment period). Since publication, EPA has received several requests for additional time to submit comments. Therefore, the public comment period is being extended for 90 days and will now end on July 10, 2006. This extension is based on the fact that the PM NAAQS will not be finalized until September 27, 2006.
National Primary Drinking Water Regulations; Ground Water Rule; Notice of Data Availability
On May 10, 2000, EPA published the proposed Ground Water Rule (GWR), a national primary drinking water regulation, in the Federal Register. The purpose of the proposed rule is to provide for increased protection against microbial pathogens in public water systems that use ground water sources. In the proposed rule, EPA presented 16 occurrence studies. Since the rule was proposed, new data have become available that further delineate pathogen and fecal indicator occurrence in groundwater. The purpose of this notice of data availability is to present additional occurrence studies that the Agency may use in performing its economic analysis of the final GWR, and to solicit comment on those additional studies and on whether EPA should consider any additional ground water microbial occurrence data not mentioned in the proposed rule or in this notice.
Revisions to the Arizona State Implementation Plan, Pinal County Air Quality Control District
EPA is finalizing approval of revisions to the Pinal County Air Quality Control District (PCAQCD) portion of the Arizona State Implementation Plan (SIP). These revisions were proposed in the Federal Register on November 10, 2005 and concern opacity standards. We are approving local rules that regulate PM-10 emission sources under the Clean Air Act as amended in 1990 (CAA or the Act).
Implementation of the 8-Hour Ozone National Ambient Air Quality Standard-Phase 1: Reconsideration
The EPA is requesting comment on the overwhelming transport classification for 8-hour ozone nonattainment areas as requested in a petition for reconsideration of EPA's final rule to implement the 8- hour ozone national ambient air quality standard (NAAQS or standard). We are requesting comment on the draft guidance document entitled ``Criteria For Assessing Whether an Ozone Nonattainment Area is Affected by Overwhelming Transport,'' and we are reopening the comment period on our proposed rule regarding how the Clean Air Act (CAA) section 172 requirements would apply to an area that might receive an overwhelming transport classification. In the Phase 1 Rule to Implement the 8-Hour Ozone NAAQS we stated that we were considering the comments we received on the issue of applicable requirements for these subpart 1 areas and would address them when we issued guidance on assessing overwhelming transport. Consequently, today's action takes comment on the overwhelming transport guidance and on the applicable requirements that would apply to areas receiving the overwhelming transport classification. In addition, EPA is holding a public hearing on April 12, 2006.
Revisions to the Nevada State Implementation Plan
EPA is finalizing approval of revisions to the Nevada State Implementation Plan (SIP). These revisions were proposed in the Federal Register on September 13, 2005 and include definitions, sulfur oxide emission regulations, and various other burning regulations. We are approving these regulations in order to regulate these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act).
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