Environmental Protection Agency March 22, 2007 – Federal Register Recent Federal Regulation Documents
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Supplemental Proposed Rulemaking on 8-Hour Ozone Redesignations for Various Areas in Michigan, Ohio and West Virginia
On December 22, 2006, the U.S. Court of Appeals for the District of Columbia Circuit vacated EPA's Phase 1 Implementation Rule for the 8-hour ozone standard. This supplemental proposed rulemaking sets forth EPA's views on the potential effect of the Court's ruling on a number of proposed redesignation actions. This rulemaking applies to eighteen 8-hour ozone nonattainment areas in Michigan, Ohio and West Virginia, for which EPA has proposed approval of the States' redesignation requests. For the reasons set forth in the notice, EPA proposes to find that the Court's ruling does not alter any requirements relevant to these proposed redesignations that would prevent EPA from finalizing these redesignations. The EPA believes that the Court's decision, as it currently stands or as it may be modified based upon any petition for rehearing that may be filed, imposes no impediment to moving forward with redesignation of these areas to attainment, because in either circumstance, redesignation is appropriate under the relevant redesignation provisions of the Clean Air Act (CAA) and EPA's longstanding policies regarding redesignation requests.
Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines; Regulations Requiring Onboard Diagnostic Systems on 2010 and Later Heavy-Duty Engines Used in Highway Applications Over 14,000 Pounds; Revisions to Onboard Diagnostic Requirements for Diesel Highway Heavy-Duty Vehicles Under 14,000 Pounds
The EPA is announcing an extension of the public comment period within the context of our proposed heavy-duty onboard diagnostics (OBD) requirements. (72 FR 3200, January 24, 2007) Specifically, we are extending the comment period for comments pertaining to the proposed service information availability requirements for engines used in highway vehicles over 14,000 pounds. These proposed requirements can be found in the proposed Sec. 86.010- 38(j). (72 FR 3322) The comment period will be extended from March 26, 2007 to May 4, 2007. We are extending the comment period in response to a request to do so from the Engine Manufacturers Association.
Science Advisory Board Staff Office; Notification of Two Public Teleconferences and a Meeting of the Science Advisory Board Integrated Nitrogen Committee
The Environmental Protection Agency (EPA or Agency) Science Advisory Board Staff Office announces two public teleconferences and a meeting of the EPA Science Advisory Board Integrated Nitrogen Committee.
Colorado; Final Approval of State Underground Storage Tank Program
The State of Colorado has applied for approval of the underground storage tank program under Subtitle I of the Resource Conservation and Recovery Act (RCRA). The Environmental Protection Agency (EPA) has reviewed the Colorado application and has reached a final determination that Colorado's underground storage tank program satisfies all of the requirements necessary to qualify for approval under the regulations. Thus, the EPA is granting final approval to the State of Colorado to operate its Underground Storage Tank Program for petroleum and hazardous substances.
New Stationary Sources; Supplemental Delegation of Authority to the Mississippi Department of Environmental Quality
The Mississippi Department of Environmental Quality (MSDEQ or agency) has requested that EPA delegate authority for implementation and enforcement of existing New Source Performance Standards (NSPS) which have been previously adopted by the agency but have remained undelegated by EPA, and has requested that EPA approve the mechanism for delegation (adopt-by-reference) of future NSPS. The purpose of MSDEQ's request for approval of its delegation mechanism is to streamline existing administrative procedures by eliminating any unnecessary steps involved in the Federal delegation process. With this NSPS delegation mechanism in place, a new or revised NSPS promulgated by EPA will become effective in the State of Mississippi on the date the NSPS is adopted-by-reference pursuant to a rulemaking of the MSDEQ, if the agency adopts the NSPS without change. ``Adopt-by-reference'' means the EPA promulgated standard has been adopted directly into the State regulations by reference to the Federal law. No further agency requests for delegation will be necessary. Likewise, no further Federal Register notices will be published. In this action, EPA is delegating authority to MSDEQ for implementation and enforcement of existing NSPS which have been previously adopted by MSDEQ and which are identified in the Supplementary Information section below. In addition, EPA is approving MSDEQ's ``adopt-by-reference'' mechanism for delegation of future NSPS.
Treatment of Data Influenced by Exceptional Events
This action finalizes a rule to govern the review and handling of air quality monitoring data influenced by exceptional events. Exceptional events are events for which the normal planning and regulatory process established by the Clean Air Act (CAA) is not appropriate. In this rulemaking action, EPA is finalizing the proposal to: Implement section 319(b)(3)(B) and section 107(d)(3) authority to exclude air quality monitoring data from regulatory determinations related to exceedances or violations of the National Ambient Air Quality Standards (NAAQS) and avoid designating an area as nonattainment, redesignating an area as nonattainment, or reclassifying an existing nonattainment area to a higher classification if a State adequately demonstrates that an exceptional event has caused an exceedance or violation of a NAAQS. The EPA is also requiring States to take reasonable measures to mitigate the impacts of an exceptional event.
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