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- Documents
- Public Inspection
Type
- Proposed Rule 226
- Rule 225
Agency
- Transportation Department 303
- Federal Aviation Administration 301
- Environmental Protection Agency 138
- Consumer Product Safety Commission 3
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- Science & Technology 443
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Publication Date
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Topic
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Revocation of Class E Airspace; Kayenta, AZ
This action revokes the Class E airspace established for Bedard Field Airport, Kayenta, AZ. The special instrument procedures that were developed for the private airport have been canceled. The Class E airspace is no longer required.
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Air Plan Approval; Pennsylvania; 1997 8-Hour Ozone National Ambient Air Quality Standard Second Maintenance Plan for the State College Area
The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. The revision pertains to the Commonwealth's plan, submitted by the Pennsylvania Department of Environmental Protection (PADEP), for maintaining the 1997 8-hour ozone national ambient air quality...
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Air Plan Approval; Wisconsin; Partial Approval and Partial Disapproval of the Rhinelander SO2
The Environmental Protection Agency (EPA) is partially approving and partially disapproving a revision to the Wisconsin State Implementation Plan (SIP) intended to provide for attaining the 2010 primary, health-based 1-hour sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or ``standard'') for the Rhinelander...
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Test Methods and Performance Specifications for Air Emission Sources; Correction
The Environmental Protection Agency (EPA) is correcting a final rule that was published in the Federal Register on October 7, 2020, and was effective on December 7, 2020. The final rule corrected and updated regulations for source testing of emissions. This correction does not change any final action taken by the EPA on October 7, 2020; this...
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Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500- 1A11 airplanes. This AD was prompted by a report that threaded fuel couplings were incorrectly installed at final assembly and in service. This AD requires repetitive functional tests of the auxiliary power unit...
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Airworthiness Directives; Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A330-200 Freighter series airplanes. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more...
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Air Plan Approval; Arkansas; Regional Haze and Interstate Visibility Transport Federal Implementation Plan; Withdrawal of Federal Implementation Plan Provisions for the Domtar Ashdown Mill
The Environmental Protection Agency (EPA) is taking final action to withdraw the remaining portion of a Federal Implementation Plan (FIP) for Arkansas that was published in the Federal Register on September 27, 2016, which addressed certain regional haze obligations for the first implementation period for the Domtar Ashdown Mill. Specifically,...
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Air Plan Approval; Arkansas; Arkansas Regional Haze and Visibility Transport State Implementation Plan Revisions
Pursuant to the Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is finalizing approval of a revision to the Arkansas State Implementation Plan (SIP) submitted by the State of Arkansas through the Arkansas Department of Energy and Environment, Division of Environmental Quality (DEQ) on August 13, 2019. The SIP submittal...
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Airworthiness Directives; Airbus Helicopters (Type Certificate Previously Held by Eurocopter France) Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters (Type Certificate previously held by Eurocopter France) Model AS350B3 and EC130T2 helicopters. This proposed AD was prompted by a report of failure of an engine digital electronic control unit (DECU). This proposed AD would require revising the existing...
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Airworthiness Directives; Airbus Helicopters
The FAA is revising a notice of proposed rulemaking (NPRM) that applied to certain Airbus Helicopters Model AS-365N2, AS 365 N3, SA-365N, and SA-365N1 helicopters. The NPRM proposed to require either replacing the main gearbox (MGB) or as an alternative, replacing the epicyclic reduction gear module for certain serial numbered planet gear...
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Airworthiness Directives; Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron Canada Limited) Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for Bell Textron Canada Limited (type certificate previously held by Bell Helicopter Textron Canada Limited) (Bell) Model 505 helicopters. This proposed AD was prompted by the discovery of a gap between the transmission restraint assembly aft attachment hardware lower washer and mating...
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Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain De Havilland Aircraft of Canada Limited Model DHC-8-400 series airplanes. This proposed AD was prompted by a report that a number of nacelle A-frames were not manufactured in accordance with engineering drawings. This proposed AD would require, depending on airplane...
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Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A330-200, A330-200 Freighter, A330-300, A340- 200, and A340-300 series airplanes. This proposed AD was prompted by a report that the auxiliary power unit (APU) aft fuel pump printed circuit board (PCB) varnish had deteriorated; the varnish is one of the layers...
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Air Plan Approval; Michigan; Partial Approval and Partial Disapproval of the Detroit SO2
The Environmental Protection Agency (EPA) is partially approving and partially disapproving a revision to the Michigan State Implementation Plan (SIP) for attaining the 2010 1-hour primary sulfur dioxide (SO<INF>2</INF>) national ambient air quality standard (NAAQS or ``standard'') for the Detroit SO<INF>2</INF> nonattainment area (NAA). This...
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Federal Aluminum Aquatic Life Criteria Applicable to Oregon
The Environmental Protection Agency (EPA or Agency) is promulgating Federal criteria for fresh waters in the State of Oregon that are jurisdictional under the Clean Water Act (CWA) to protect aquatic life from the effects of exposure to harmful levels of aluminum. EPA disapproved of Oregon's freshwater acute and chronic aluminum criteria in...
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State of Michigan Underground Injection Control (UIC) Class II Program; Primacy Approval
The U.S. Environmental Protection Agency (EPA or Agency) is taking direct final action to approve the State of Michigan's Underground Injection Control Class II (UIC) Program for primacy. EPA has determined that the State's program is consistent with the provisions of the Safe Drinking Water Act (SDWA) at Section 1425 to prevent underground...
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Air Plan Approval; Nebraska; Revisions to Title 115 of the Nebraska Administrative Code; Rules of Practice and Procedure
The Environmental Protection Agency (EPA) is proposing to approve revisions to the State Implementation Plan (SIP) submitted by the State of Nebraska on September 24, 2020. This proposed action will amend the SIP to revise title 115 of the Nebraska Administrative Code ``Nebraska Rules of Practice and Procedure.'' Title 115 describes the...
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Airworthiness Directives; Airbus SAS Airplanes
The FAA is superseding Airworthiness Directive (AD) 2018-16- 02, which applied to all Airbus SAS Model A318-111 and -112 airplanes; Model A319-111, -112, -113, -114, and -115 airplanes; Model A320-211, - 212, -214, and -216 airplanes; and Model A321-111, -112, -211, -212, and -213 airplanes. AD 2018-16-02 required modifying and re-identifying...
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Airworthiness Directives; Leonardo S.p.a. Helicopters
The FAA is adopting a new airworthiness directive (AD) for Leonardo S.p.a. (Leonardo) Model AW189 helicopters. This AD was prompted by two reported failures of the tail plane installation forward bolts (bolts). This AD requires inspecting the bolts and depending on the results of those inspections, removing certain parts from service or...
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Air Plan Approval; Missouri; Removal of Control of Emissions From Solvent Cleanup Operations
The Environmental Protection Agency (EPA) is taking final action to approve a State Implementation Plan (SIP) revision submitted by the State of Missouri on January 15, 2019, and supplemented by letter on June 14, 2019. Missouri requests that the EPA remove a rule related to control of emissions from the solvent cleanup operations in the Kansas...