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Map ID MAP FINDINGS <br /> Direction <br /> Distance EDR ID Number <br /> Elevation Site Database(s) EPA ID Number <br /> TRACY DEFENSE DEPOT(USARMY) (Continued) 1000182407 <br /> Event: Stabilization Measures Implemented,Groundwater extraction and <br /> treatment(e.g.,to achieve groundwater containment,to achieve MCL). <br /> Event date: 06/28/1990 <br /> Event: RFA Completed,Assessment was an RFA. <br /> Event date: 09/06/1990 <br /> Event: CA049SI <br /> Event date: 10/19/1992 <br /> Event: Stabilization Measures Evaluabon,This facility is amenable to <br /> stabilization activity based on the status of corrective action work <br /> at the facility,technical factors,the degree of risk,timing <br /> considerations and administrative considerations. <br /> Event date: 10/19/1992 <br /> Event: CA Prioritization,Facility or area was assigned a high corrective <br /> action priority. <br /> Event date: 08/01/1993 <br /> Event: Stabilization Construction Completed <br /> Event date: 01/01/1996 <br /> Event: CA Responsibility Referred To A Non-RCRA Federal Authority,Corrective <br /> Action at the facility or area referred to CERCLA. <br /> Event date: 04/09/1998 <br /> Event: CA Responsibility Referred To A Non-RCRA Federal Authority <br /> Event date: 04/09/1998 <br /> Event: Current Human Exposures under Control,Current human exposures are NOT <br /> under control. <br /> Event date: 04/09/1998 <br /> Event: Igration of Contaminated Groundwater under Control,Unacceptable <br /> migration of contaminated groundwater is observed or expected. <br /> Event date: 05/22/2000 <br /> Event: Igration of Contaminated Groundwater under Control,Unacceptable <br /> migration of contaminated groundwater is observed or expected. <br /> Event date: 05/22/2000 <br /> Event: Current Human Exposures under Control,More information is needed to <br /> make a determination. <br /> Event date: 09/21/2001 <br /> Event: Current Human Exposures under Control,Yes,Current Human Exposures <br /> Under Control has been verified.Based on a review of information <br /> contained in the EI determination,current human exposures are <br /> expected to be under control at the facility under current and <br /> reasonably expected conditions.This determination will be <br /> re-evaluated when the Agency/State becomes aware of significant <br /> changes at the facility. <br /> Event date: 04/29/2003 <br /> Event: Igration of Contaminated Groundwater under Control,Yes,Migration of <br /> Contaminated Groundwater Under Control has been verified.Based on a <br /> TC3372962.1s Page 15 <br />