Appendix M: Installation Narrative Summaries - denix

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…�—��—2g��—�2h�� x€vGf‚eg2IWVVGf‚eg2PHHS 2ppshX 2ƒ��X 2w��X 2r‚ƒ2ƒ��X 2seq2ƒ�—��X 2g��—��—��X 2w��—2e��X 2p��2��2h—��X €��2„�2h—�� In 1941, the Army established Umatilla Ordnance Depot as a facility for storing conventional munitions. Between 1945 and 1955, the installation's functions expanded to include demolition, renovation, and maintenance of ammunition. In 1962, the Army began to store chemical munitions at the depot. EPA placed the installation on the NPL in July 1987. EPA and the Army signed a federal facility agreement (FFA) in October 1989. In December 1988, the BRAC Commission recommended realignment of the installation. The 2005 BRAC Commission recommended closure of Umatilla Chemical Depot. In FY93, the installation transferred its conventional weapons mission to another installation. In FY94, the commander formed a BRAC cleanup team and converted the installation's technical review committee to a Restoration Advisory Board. In FY98, the installation officially changed its name from Umatilla Ordnance Depot to Umatilla Chemical Depot (CD). Identified sites include explosives-washout lagoons, an open burning and open detonation area, pesticide disposal pits, a deactivation furnace, and landfills. Significant remedies completed include bioremediation of explosives contaminated soil from a number of sites, landfill closure capping, and removal of all underground storage tanks. In FY99, the installation completed an environmental baseline survey at the 100/200 Series warehouses and a depotwide 5-year review. The installation also completed a 5-year review in FY04. Environmental studies identified 119 sites at this installation, grouped into 9 operable units (OUs). The Army has signed eight Records of Decision (RODs) to date. The cleanup progress at Umatilla CD for FY02 through FY05 is detailed below. In FY02, the Army completed soil remediation at Site 19, the Ammunition Demolition Activity Area (ADA). In FY03, the installation completed the function range intrusive investigation and the remedial action (RA) report for ADA OU. The Army completed the closed, transferred, and transferring ranges and sites inventory. It identified one Military Munitions Response Program (MMRP) site, the Quality Assurance Function Range (QAFR) (Site 39). The installation completed an engineering evaluation and cost analysis for the range. Army y‚HPIQVPHWIUHH IWDUPW2—�� ƒ��2—�� QIFQIY2��—��2��2x€v2��2t��2IWVU ppe2��2��2y��˜��2IWVW i��D2…ˆyD2��—��2��—��D2��D2��—�� q��—��2—��2�� 62SRFU2�� 2i��F2g„g2@g��2‰�—�AX 62VFV2��@p‰2PHPQA 2s‚€Gww‚€2ƒ��2p��—�2‚s€G‚gX p‰2PHHQGp‰2PHIS 2p��E‰�—�2‚��2ƒ�—��X g��2—��2��—�� In FY04, the installation completed the addendum RA report for ADA Sites 19E and 19F. The installation completed the 5-year review for ADA and groundwater OUs. The Army completed a draft ROD for the UMCD Landfill for selenium cleanup. The installation installed additional monitoring wells. The Army completed a draft revised monitoring plan for the UMCD Landfill. The installation completed the proposed plan and draft ROD for the QAFR under the MMRP. In FY05, the installation completed an MMRP ROD for the QAFR. p‰HT2s‚€2€�� The installation delayed the RA report for groundwater treatment in order to incorporate results of an optimization study. Scheduling issues have delayed completion of the UMCD Landfill ROD for selenium. Regulatory issues delayed the revised monitoring plan for the UMCD Landfill. p‰HT2ww‚€2€�� Umatilla CD completed the munitions and explosives of concern work plan at the QAFR. However, funding issues delayed initiation of the RA until FY08. €�—�2��2e�� Plan of action items for Umatilla Chemical Depot are grouped below according to program category. 22222s‚€ 0 Complete RA report for groundwater treatment in FY07. 0 Complete ROD and revised monitoring plan for the UMCD Landfill in FY07. 0 Complete groundwater pump-and-treatment plant maintenance in FY07. 0 Complete the environmental condition of property report in FY07. 22222ww‚€ 0 Begin RA at the QAFR in FY08. r��D2y�� M-200
†��2r��2p—��2ƒ�—�� f‚eg2IWWQ 2ppshX 2ƒ��X 2w��X 2r‚ƒ2ƒ��X 2seq2ƒ�—��X €��2„�2h—�� During the 1940s and 1950s, Vint Hill Farms Station served as a training center for Signal Corps personnel and as a refitting station for signal units. During FY90, a preliminary assessment (PA) identified 26 sites, including underground storage tanks (USTs), landfills, lagoons, storage areas, pit areas, fire training areas, disposal areas, spill sites, areas with asbestos-containing materials, lead-based paint areas, and transformers containing polychlorinated biphenyls (PCBs). Also in FY90, soil and groundwater sampling revealed petroleum and solvent contamination. The installation conducted removal actions for USTs, contaminated soil, and PCB-containing transformers. In 1993, the BRAC Commission recommended closure of Vint Hill Farms Station. The installation formed a Restoration Advisory Board (RAB) in FY95, which adjourned in FY06. Vint Hills Farm Station officially closed on October 1, 1997. The Army completed a 5-year review of Sites 1 and 39 in FY05. Environmental studies following the PA identified a total of 39 sites at Vint Hills Farms Station requiring additional investigation or cleanup. With the exception of Area Requiring Environmental Evaluation (AREE) 34, discovered post transfer, all environmental investigation and remediation is complete. The Army has transferred the entire 696 acres, including the final 5.3 acres transferred in FY03. The cleanup progress at Vint Hill Farms Station for FY02 through FY05 is detailed below. In FY02, the Army completed remedial actions (RAs) at three of the remaining four sites, concluding cleanup of the remaining nontransferred acres. In FY03, the Army completed a finding of suitability to transfer and transferred the remaining 5 acres by deed, completing the transfer of the entire 696 acres. Investigation of AREE 34 defined a shallow localized area of groundwater contamination, as well as some contamination in the deep aquifer. Contamination is upgradient of Production Well #1, which provides water to the new residents living on the property. Due to this potential exposure pathway, additional characterization was required to determine the need for an RA. The Army completed its Military Munitions Response Program (MMRP) inventory for this installation. Vint Hill Farms Station had one Army †eQPIQVPHWQIHH TWT2—�� €��2��—�2��2��2—��2��—�2��2—��2 ��2�—��—��2��—��2��2—��2��Y2��2 ��—��2�—��2—��2��2��2�—��—�2 —�—˜�� xGe x�� 2g��—��—��X w��—��D2†yg�D2��2��—�˜��D2��D2€er�D2 €gf�D2—�˜��D2�—��D2��—��2�—�� 2w��—2e��X q��—��D2��—�2�—��D2��D2�� 2p��2��2h—��X 62IIFV2�� 2i��F2g„g2@g��2‰�—�AX 62PFI2��@p‰2PHIHA 2s‚€Gww‚€2ƒ��2p��—�2‚s€G‚gX p‰2PHHUGx�� 2p��E‰�—�2‚��2ƒ�—��X g��2—��2��—�� site, a pistol range, remediated under the <strong>Installation</strong> Restoration Program (IRP). In FY04, the Army performed the final sampling of Site 20 (former Army/Air Force gas station) and received a no further action letter from the regulators. Environmental regulators reduced the Site 1 quarterly sampling to annual sampling and decreased the list of analytes required. The installation completed the remedial investigation of AREE 34 and used sensing technology and EPA's Triad approach to determine the extent of contamination. The installation completed the feasibility study and proposed plan for AREE 34. The installation held a public meeting to present the proposed remedy (monitored natural attenuation and land use controls) for AREE 34. In FY05, the Army completed a 5-year review of Sites 1 and 39. All institutional controls were successfully maintained. The Army conducted annual sampling at Site 1 with results consistent with past sampling events. p‰HT2s‚€2€�� Vint Hill Farms Station and the Virginia Department of Environmental Quality signed a decision document and began the remedy process for AREE 34 requiring hot spot removal and long-term management. The installation awarded a performance-based contract for in situ treatment and began fieldwork. The Army conducted annual sampling at Site 1. The cost of completing environmental restoration has changed significantly due to technical issues. The Vint Hill Farms Station RAB offically adjourned. p‰HT2ww‚€2€�� The Army conducted no MMRP actions at this installation. †��2r��2p—��D2†��— €�—�2��2e�� Plan of action items for Vint Hill Farms Station are grouped below according to program category. 22222s‚€ 0 Perform annual sampling for Site 1 in FY07. 22222ww‚€ There are no MMRP actions scheduled for FY07 or FY08. M-201
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Appendix M: Installation Narrative
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Appendix M: Installation Narrative Summaries - denix

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