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26. Approval and Promulgation of Air Quality Implementation Plans; Medford-Ashland PM10 Attainment Plan, Maintenance Plan

RULES: Oregon,

EPA is taking direct final action to approve a PM10 attainment and maintenance plan for the MedfordAshland, Oregon nonattainment area (MedfordAshland NAA) and to redesignate the area from nonattainment to attainment for PM10. PM10 air pollution is particulate matter with an aerodynamic diameter less than or equal to a nominal ten micrometers. Also
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

27. Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes;

RULES: Kentucky,

EPA is approving a May 20, 2005, final request to redesignate the Christian County, Kentucky, portion of the ClarksvilleHopkinsville 8hour ozone nonattainment area to attainment for the 8hour ozone National Ambient Air Quality Standard (NAAQS), and a Kentucky State Implementation Plan (SIP) revision containing a 12year maintenance plan for
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

28. Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Redesignation of the West Virginia

PROPOSED RULES: West Virginia,

EPA is proposing to approve a redesignation request and a State Implementation Plan (SIP) revision for the West Virginia portion of the Wheeling, WVOH interstate area (herein referred to as the ``Area'') from nonattainment to attainment of the 8hour ozone National Ambient Air Quality Standard (NAAQS). The West Virginia Department of Environmental
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

29. Approval and Promulgation of Air Quality Implementation Plans; Lakeview PM10 Maintenance Plan and Redesignation

RULES: Oregon,

EPA is taking direct final action to approve a PM10 State Implementation Plan (SIP) maintenance plan revision for the Lakeview, Oregon nonattainment area and to redesignate the area from nonattattainment to attainment for PM10. PM10 air pollution is suspended particulate matter with a nominal diameter less than or
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

30. Approval and Promulgation of Air Quality Implementation Plans; La Grande PM10 Maintenance Plan and Redesignation

RULES: Oregon,

On March 22, 2006, EPA published a direct final rule to approve a PM10 State Implementation Plan (SIP) maintenance plan revision for the La Grande, Oregon nonattainment area and to redesignate the area from nonattainment to attainment for PM10. PM10 air pollution is suspended particulate matter with a nominal diameter less than or equal to a
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

31. Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Alabama;

PROPOSED RULES: Alabama,

On November 16, 2005, the State of Alabama, through the Alabama Department of Environmental Management (ADEM), submitted a request for parallel processing to redesignate the Birmingham 8hour ozone nonattainment area (Birmingham area) to attainment for the 8hour ozone National Ambient Air Quality Standard (NAAQS); and for EPA approval of an Alabama
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

32. Approval and Promulgation of Air Quality Implementation Plans; Maryland; Redesignation of the Kent and Queen Anne's

PROPOSED RULES: Maryland,

EPA is proposing to approve a redesignation request and a State Implementation Plan (SIP) revision for the Kent and Queen Anne's, MD (herein referred to as the ``Kent and Queen Anne's area'') area from nonattainment to attainment of the 8hour ozone National Ambient Air Quality Standard (NAAQS). The Maryland Department of the Environment (MDE) is
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

33. Approval and Promulgation of Implementation Plans; Kentucky; Redesignation of the Boyd County SO2

RULES: Kentucky,

On May 13, 2005, and later clarified in a July 12, 2005, supplemental submittal, the Commonwealth of Kentucky submitted a request to redesignate the sulfur dioxide (SO2) nonattainment area of Boyd County to attainment of the National Ambient Air Quality Standards (NAAQS) for SO2. Boyd County is located within the
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

34. Approval and Promulgation of Air Quality Implementation Plans; Medford-Ashland PM10 Attainment Plan, Maintenance Plan

PROPOSED RULES: Oregon,

EPA is proposing to approve a PM10 State Implementation Plan (SIP) attainment plan and maintenance plan for the MedfordAshland, Oregon nonattainment area (MedfordAshland NAA) and to redesignate the area from nonattattainment to attainment for PM10. In addition, EPA is proposing to approve revisions to Oregon's statewide industrial source rules for
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

35. AGENCY: Environmental Protection Agency (EPA).

RULES: Arizona,

EPA is taking direct final action to determine that the Ajo moderate PM10 nonattainment area in Arizona has attained the National Ambient Air Quality Standards (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM10). This determination is based upon monitored air quality
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

36. Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Maine;

PROPOSED RULES: Maine,

EPA is proposing to approve: A request to redesignate two 8- hour ozone National Ambient Air Quality Standard (NAAQS) nonattainment areas to attainment for the 8hour ozone NAAQS; and a State Implementation Plan (SIP) revision containing a separate 10year maintenance plan for each area. The two areas are the Portland, Maine 8hour ozone nonattainment
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

37. Approval and Promulgation of Implementation Plans; Kentucky; Redesignation of the Boyd County SO2 Nonattainment Area

PROPOSED RULES: Kentucky,

On May 13, 2005, and later clarified in a July 12, 2005, supplemental submittal, the Commonwealth of Kentucky submitted a request to redesignate the sulfur dioxide (SO2) nonattainment area of Boyd County to attainment of the National Ambient Air Quality Standards (NAAQS) for SO2. Boyd County is located within the
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

38. Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Redesignation of the Charleston

RULES: West Virginia,

EPA is approving a redesignation request and a State Implementation Plan (SIP) revision submitted by the State of West Virginia. The West Virginia Department of Environmental Protection (WVDEP) is requesting that the Charleston area be redesignated as attainment for the 8hour ozone national ambient air quality standard (NAAQS). In conjunction with
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

39. AGENCY: Environmental Protection Agency (EPA).

PROPOSED RULES: Arizona,

EPA is proposing to determine that the Ajo moderate PM-10 nonattainment area in Arizona has attained the National Ambient Air Quality Standards (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers
(PM10). This determination is based upon monitored air quality data for the PM10
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

40. Determination of Attainment, Approval and Promulgation of Implementation Plans and Designation of Areas for Air

RULES: Indiana; withdrawn,

Due to the receipt of an adverse comment, the EPA is withdrawing the August 30, 2006 (71 FR 51489), direct final rule approving the State of Indiana's May 30, 2006, request to redesignate the 8hour ozone National Ambient Air Quality Standard (NAAQS) nonattainment area of Allen County, Indiana, to attainment for the 8 hour ozone NAAQS; and for EPA
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

41. Approval and Promulgation of Air Quality Implementation Plans; Lakeview, OR; PM10 Maintenance Plan and Redesignation

RULES: Oregon; withdrawn,

Due to an adverse comment, EPA is withdrawing the March 22, 2006 direct final rule (see 71 FR 14399) to approve a PM10 State Implementation Plan (SIP) maintenance plan revision for the Lakeview, Oregon nonattainment area and to redesignate the area from nonattattainment to attainment for PM10. In the March 22, 2006 direct
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

42. Approval and Promulgation of Air Quality Implementation Plan; Idaho

RULES: Idaho,

The Environmental Protection Agency (EPA or Agency) is taking final action to approve the nonattainment and maintenance plan for particulate matter with an aerodynamic diameter less than or equal to ten micrometers (PM10) for the Portneuf Valley, PM10 nonattainment area in Idaho. EPA is also granting Idaho's request to redesignate the Portneuf
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

43. Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Arizona

RULES: Arizona,

EPA is approving the maintenance plan for the Douglas area in Cochise County, Arizona and granting the request submitted by the State to redesignate this area from nonattainment to attainment for the National Ambient Air Quality Standards (NAAQS) for sulfur dioxide (SO2). Elsewhere in this Federal Register, we are proposing approval and
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

44. Approval and Promulgation of Implementation Plans; Designation of Areas for Air Quality Planning Purposes; State of

Part III: Environmental Protection Agency,

EPA is finalizing its determination that the San Joaquin Valley nonattainment area (SJV or the Valley) in California has attained the National Ambient Air Quality Standards (NAAQS) for particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers (PM10). This determination is based upon monitored air quality data
ENVIRONMENTAL PROTECTION AGENCY : Veterans Affairs Department

45. Approval and Promulgation of Air Quality Implementation Plans; La Grande, OR; PM10 Maintenance Plan and Redesignation

RULES: Oregon; withdrawn,

Due to an adverse comment, EPA is withdrawing the March 22, 2006 direct final rule (see 71 FR 14393) to approve a PM10 State Implementation Plan (SIP) maintenance plan revision for the La Grande, Oregon nonattainment area and to redesignate the area from nonattattainment to attainment for PM10. In the March 22, 2006 direct
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

46. Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Redesignation of the Huntington, WV

PROPOSED RULES: West Virginia,

EPA is proposing to approve a redesignation request and a State Implementation Plan (SIP) revision for the Huntington portion of the HuntingtonAshland, WVKY (herein referred to as the ``Huntington Ashland area'') interstate area from nonattainment to attainment of the 8hour ozone National Ambient Air Quality Standard (NAAQS). The West Virginia
ENVIRONMENTAL PROTECTION AGENCY : Environmental Protection Agency

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