T.F. Green Airport Improvement Program - FEIS Chapters - PVD

T.F. Green Airport Improvement ProgramEnvironmental Impact Statement and Final Section 4(f) EvaluationTable 5-6FAA Order 1050.1E Impact Thresholds for Significant Adverse EffectsIs there a SignificantAdverse Effect?Chapter 5 Alternative B2/Section Impact Category FAA Order 1050.1E Impact Threshold for Significant Adverse Effects Alternative B45.3 Noise When an action, compared to the no action alternative for the same timeframe, wouldYescause noise-sensitive areas located at or above DNL 65 dB to experience a noiseincrease of at least DNL 1.5 dB.5.4 Compatible Land Use See significance threshold for noise. Yes5.5 Social and For social and socioeconomic issues: When an action would cause: NoSocioeconomic Impacts • Extensive relocation, but sufficient replacement housing is unavailable;• Extensive relocation of community businesses that would cause a severeeconomic hardship for affected communities;• Disruption in local traffic patterns that would substantially reduce the level ofservice of roads serving the airport and surrounding communities; or• A substantial loss in the community tax base.Environmental Justice,Children’s Health andSafety RisksFor environmental justice issues: When an action would cause disproportionatelyhigh and adverse human health or environmental effects on minority and low-incomepopulations.For children’s health and safety risks: When an action would cause disproportionatehealth and safety risks to children.5.6 Surface Transportation None established. See significance threshold for social and socioeconomic issues. No5.7 Air Quality When a project or action exceeds one or more of the NAAQS. No5.8 Historic, Architectural,Archaeological, andCulturalWhen an action adversely affects a protected property and the responsible FAAofficial determines that the information from the State and/or Tribal HistoricPreservation Officer addressing alternatives to avoid adverse effects and mitigationYes5.95.105.10Section 4(f) ResourcesWetlands andWaterwaysWetlands andWaterways (continued)warrants further study.A significant impact would occur pursuant to NEPA when a proposed action eitherinvolves more than a minimal physical use of a Section 4(f) property or is deemed a“constructive use” substantially impairing the 4(f) property, and mitigation measuresdo not eliminate or reduce the effects of the use below the threshold of significance.When an action would:• Adversely affect a wetland’s function to protect the quality or quantity of a municipalwater supply, including sole source aquifers and a potable water aquifer.• Substantially alter the hydrology needed to sustain the affected wetland’svalues and functions or those of a wetland to which it is connected.• Substantially reduce the affected wetland’s ability to retain floodwaters or stormrunoff, thereby threatening public health, safety or welfare. The last termincludes cultural, recreational, and scientific public resources or property.Adversely affect the maintenance of natural systems supporting wildlife and fishhabitat or economically-important timber, food, or fiber resources of the affectedor surrounding wetlands.• Promote development that causes any of the above impacts.• Be inconsistent with applicable State wetland strategies.YesYesYesChapter 5 - Environmental Consequences 5-11 July 2011\\mawatr\ev\09228.00\reports\FEIS_Final_July_2011\PVD_CH05_Environmental_Cons_JUL_2011.doc