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California Regional Water Quality Control Board <br /> Central Valley Region <br /> Robert Schneider,Chair J Gray Davis <br /> Winston H.HickoxOffice OCT Governor <br /> Secretaryfor Sacramento Main 1 4 2004 <br /> Environmental Internet Address: http://wwwswrcb.ca.gov/rwgc65 <br /> 3443 Routier Road,Suite A.Sacramento,California 95827-3M <br /> Protection N1tir'�"��'�'�/il'JI HEALTH <br /> Phone(91255-3000•PAX(916)255-3015 r/SERVICES <br /> 30 September 2004 <br /> John Guzman <br /> Defense Logistics Agency <br /> Defense Distribution Depot San Joaquin CA (DDJC), Sharpe Site <br /> DDJC-FA, Attn: Environmental,Building 100, Room 2 <br /> 25600 Chrisman Road <br /> Tracy, CA 95376-5000 <br /> NO FURTHER ACTION REQUIRED,UST SITES 5, 15, 17, 18,21, <br /> 34, 55,AND 73, SITE 146, <br /> BUILDING 186 SUMP4 SUMP, AND <br /> BUILDING 669 SUMP,DEFENSE DISTRIBUTION DEPOT SAN OA�QUIND SHABUILINGBPE (DDJ HARPE)DING 199, <br /> SAN JOAQUIN COUNTY <br /> This letter confirms the completion of investigations and corrective actions for the 13 underground <br /> storage tank sites formerly located at DDJC-Sharpe. Detailed information on these 13 underground <br /> storage tank sites and the rationale for the No Further Action is included in the attached Technical <br /> Memorandum. Thank you for your cooperation throughout these investigations. Your willingnessand <br /> e <br /> promptness in responding to our inquiries concerning the former underground storage tank(s) greatly <br /> appreciated. <br /> Based on the information in the above-referenced file and with the provision that the information <br /> provided to this agency was accurate and representative of site conditions,this agency finds that the site <br /> investigations and corrective actions carried out at your underground storage tank sites is in compliance <br /> with the requirements of subdivisions (a) and (b) of Section 25296.10 of the Health and Safety Code and <br /> with corrective action regulations adopted pursuant to Section 25299.3 of the Health and Safety Code <br /> and that no further action related to the petroleum release(s) at the above-referenced sites is required. <br /> This notice is issued pursuant to subdivision(g) of Section 25296.10 of the Health and Safety Code. <br /> our concurrence with no further action at these sites is partly based on the current land use and our <br /> understanding that land use is not expected to change significantly in the foreseeable future. The 13 <br /> UST sites have residual petroleum hydrocarbon contamination that is expected to naturally biodegrade <br /> over time, but these sites may pose a potential threat to human health if land use changes or if the sites <br /> are disturbed by future construction activities. We request that DDJC-Sharpe modify the existing <br /> Installation Master Plan to include the location of these sites with a notation that residual petroleum <br /> hydrocarbons are present in the soil and/or groundwater at these sites. The Installation Master Plan <br /> should also contain institutional controls for these sites, such as measures to control excavation in the <br /> California Environmental Protection Agency <br /> 0a Recycled Paper <br /> FThe energy challenge facing or a list of simple ways you can reduce demand and out you energy costs,see our Website at http://www.swrcb ca.gov/rwgcb5 <br />