Environmental Protection Agency April 24, 2008 – Federal Register Recent Federal Regulation Documents

EPA has authorized its contractor, Solutions by Design II (SBD) of Vienna, VA, to access information which has been submitted to EPA under all sections of the Toxic Substances Control Act (TSCA). Some of the information may be claimed or determined to be Confidential Business Information (CBI).

The Environmental Protection Agency (EPA) is proposing to approve an application from the Navajo Nation (``Tribe'') under Section 1425 of the Safe Drinking Water Act (SDWA) for primary enforcement responsibility (or ``primacy'') for the underground injection control (UIC) program for Class II (oil and gas-related) injection wells located: within the exterior boundaries of the formal Navajo Reservation, including the three satellite reservations (Alamo, Canoncito and Ramah), but excluding the former Bennett Freeze Area, the Four Corners Power Plant and the Navajo Generating Station; and on Navajo Nation tribal trust and allotted lands outside the exterior boundaries of the formal Navajo Reservation. (These areas are collectively referred to hereinafter as ``areas covered by the Tribe's Primacy Application.'') EPA would continue to administer its SDWA UIC program for any Class I, III, IV, and V wells on Navajo Indian lands (defined as Indian country in EPA UIC regulations; see definition of ``Indian lands''). EPA is also proposing minor revisions to regulations that are not specific to the Navajo Nation's application. EPA requests public comment on this proposed rule, the Navajo Nation's application, and EPA's supporting documentation, and will consider all comments received within the public comment period before taking final action.

EPA is proposing to approve State Implementation Plan (SIP) revisions submitted by the Governor of Montana on June 26, 1997, and June 13, 2000. (Portions of the June 26, 1997 submittal were withdrawn by the Governor of Montana on February 8, 1999). These revisions contain an inventory of emissions for Whitefish and establish and require continuation of all control measures adopted and implemented for reductions of particulate aerodynamic diameter less than or equal to 10 micrometers (PM10) in order to attain the PM10 National Ambient Air Quality Standards (NAAQS) in Whitefish. Using the PM10 clean data areas approach, we are proposing to approve the control measures and the emissions inventory that were submitted as part of the PM10 nonattainment area SIP for Whitefish. This action is being taken under section 110 of the Clean Air Act (CAA or Act). EPA is approving the State's SIP revision as a direct final rule without prior proposal because the Agency views this as a noncontroversial SIP revision and anticipates no adverse comments. A detailed rationale for the approval is set forth in the preamble to the direct final rule. If EPA receives no adverse comments, EPA will not take further action on this proposed rule. If EPA receives adverse comments, EPA will withdraw the direct final rule and it will not take effect. EPA will address all public comments in a subsequent final rule based on this proposed rule. EPA will not institute a second comment period on this action. Any parties interested in commenting must do so at this time. Please note that if EPA receives adverse comment on an amendment, paragraph, or section of this rule and if that provision may be severed from the remainder of the rule, EPA may adopt as final those provisions of the rule that are not the subject of an adverse comment.