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

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T.F. Green Airport Improvement ProgramEnvironmental Impact Statement and Final Section 4(f) EvaluationIndirect ImpactsCommercial and industrial properties subject to ongoing groundwater monitoring include Mobil SS #01 and SpringGreen Corporation (Figure 5-49). The No-Action Alternative would not have a significant impact on any ongoingcontamination assessment or remediation program in the Study Area. Demolition debris from the structures onacquired land under the Current Part 150 VLAP would be disposed of at an appropriately licensed landfill. Ifpreviously unidentified USTs or new releases were encountered during demolition, RIAC would close and/orremediate these sites as part of the demolition activity. The No-Action Alternative would result in beneficial impactsby accelerating the remediation of any of the known or previously unidentified releases in the Project Area.5.17.4.2 Alternative B2The following direct and indirect impacts may occur during the implementation of Alternative B2. Table 5-128presents a summary of these impacts.Direct ImpactsAs listed in Table 5-128, the proposed limit of disturbance for Alternative B2 could potentially encountercontaminated soil, groundwater, or surface water at six existing release areas: the Spring Green Corporation, theForest Company, Budget Rent-A-Car, Mobil SS# 01, the former Airport Fuel Farm, and the Truk-Away Landfill.These sites are associated with the Runway 16 End (three sites), the Runway 34 End (one site), the Fully RelocatedAirport Road (one site), and taxiway improvement and Integrated Cargo Facility construction (one site). Thelocation of the release areas in relation to the limit of disturbance is shown in Figure 5-49.Based on conceptual design plans, up to 247 residential and commercial parcels consisting of 126 structureswould be fully acquired for Alternative B2, including 126 mandatory acquisitions for construction, 41 for thenoise mitigation program under a Future Build VLAP, and 80 voluntary acquisitions for FAA-recommendedclearing of the RPZs (Table 5-128). Twenty-seven parcels would be partially acquired for construction(mandatory acquisition).Fifty-three of the properties consisting of 30 structures that are required to be acquired for construction ofAlternative B2 are currently being used for commercial, industrial, or agricultural purposes (Table 5-128). Threeof the properties eligible for voluntary acquisition for the RPZ for Runway 23 End are currently being used forcommercial purposes. The majority of the properties that would be acquired would be for the Fully RelocatedAirport Road and the extension of Runway 23, although the greatest number of commercial or industrialproperties that would be acquired is at the Runway 16 End in the vicinity of the Partially Relocated AirportRoad. Due to the known existing land uses of these parcels (commercial, industrial, and agriculture), they couldpotentially have soil and groundwater contamination. Alternative B2 would require demolishing Hangar No. 1,which is known to contain asbestos.Nineteen registered USTs would be impacted (removed) under Alternative B2. Seventeen of the USTs are at theRunway 16 End or near the construction of the new Integrated Cargo Facility and two USTs are near the RPZ atthe Runway 5 End (Figure 5-49). Construction of Alternative B2 would result in approximately 26.3 acres ofasphalt (Table 5-128).Chapter 5 - Environmental Consequences 5-264 July 2011\\mawatr\ev\09228.00\reports\FEIS_Final_July_2011\PVD_CH05_Environmental_Cons_JUL_2011.doc
T.F. Green Airport Improvement ProgramEnvironmental Impact Statement and Final Section 4(f) EvaluationTable 5-128Alternatives B2 and B4: Comparison of Environmental Consequences, HazardousMaterials, and Solid WasteImpacts Alternative B2 Alternative B4Direct ImpactsContaminated Soils and GroundwaterSpring Green Corp. 1 (S, GW) –The Forest Co. 1 (GW) –Budget 1 (S, GW) 1 (S, GW)Mobil SS# 01 1 (GW) 1 (GW)Former Fuel Farm 1 (GW 1 ) 1 (GW 1 )Truk-Away Landfill 1 (S, GW) 1 (S, GW)Property AcquisitionTotal Properties 247 180Properties for Construction (Mandatory) 2 126 39Commercial/Industrial 53 23Properties for Noise Mitigation/RPZ (Voluntary) 121 141Commercial/Industrial 3 0Demolition DebrisTotal Buildings 173 146Structures for Construction (Mandatory) 2 84 19Commercial/Industrial 30 8Structures for Noise Mitigation/RPZ (Voluntary) 89 127Commercial/Industrial 3 0Area of Asphalt Impacts (Acres) 26.3 5.5UST Removals 19 7Indirect ImpactsBeneficial Impacts Y YOngoing Release Monitoring Y YOff-Site Impacts 3 Y YSources: EDR Report July 26, 2005; VHB, Inc.Notes: S= Potential soil impact, GW = Potential groundwater impact, Y = Potential impact, – = No foreseeable impact. UST = Underground storage tank.1 The risk of a groundwater impact is noted here because an active groundwater contamination remediation system is in place. However, recent sampling hasindicated that groundwater contamination may be below regulatory levels. Due to its uncertain closure status, this impact has been left in consideration althoughthe levels of groundwater contamination from this release are likely to be low.2 Includes demolition of on-Airport structures.3 Note that off-site impacts are not specifically related to the Improvement Program and reflect a general risk associated with all hazardous and regulated materialdisposal. Due to RCRA laws, the risk of off-site impacts is considered to be low.Chapter 5 - Environmental Consequences 5-265 July 2011\\mawatr\ev\09228.00\reports\FEIS_Final_July_2011\PVD_CH05_Environmental_Cons_JUL_2011.doc
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