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Californialflegional Water Quality Cletrol Board <br /> Central Valley Region <br /> Katherine Hart, Chair <br /> Matthew Rodriguez Edmund G. Brown,Jr. <br /> Secretary for 11020 Sun Center DriveRancho Cordova, California 95670-6114 RECEIi <br /> Environmental Protection Phone(916))464 464-3291 -FAX(916)464-4645 <br /> http://w .waterboards.ca.gov/centralvaliey <br /> JAN 26 2012 <br /> 24 January 2012 ENVIRONMENT AL HEALTH <br /> PERMIT/SERVICES <br /> Lincoln Center Trust <br /> c/o Lucas Goldstein <br /> Arcadis U.S., Inc. <br /> 2000 Powell Street, 7th floor <br /> Emeryville, CA 94608 <br /> WELL ABANDONEMENT REQUEST— LINCOLN CENTER ENVIRONMENTAL <br /> REMEDIATION TRUST, SAN JOAQUIN COUNTY <br /> This letter is in response to a request from the Lincoln Center Trust (Trust) to abandon <br /> groundwater monitoring well MW-103A. MW-103A has not been sampled since July 2010 due <br /> to the well having been paved over during street resurfacing work. Based on discussions with <br /> the San Joaquin county Public Works and Environmental Health Departments, an <br /> encroachment permit is required to regain access to MW-103A. <br /> MW-103A has not contained detectable concentrations of tetrachloroethylene (PCE) or its <br /> degradation products since 2002. Also, MW-103A does not serve to define the lateral or <br /> vertical extent of the plume. Central Valley Water Board staff concurs with the Trust that MW- <br /> 103A can be abandoned without losing valuable future monitoring data. <br /> Feel free to contact me with any questions or concerns regarding this letter at 916.464.4682 or <br /> rcervantes(a-)waterboards.ca.gov. <br /> Roberto Cervantes, PE <br /> Site Cleanup Program <br /> c: Mike Infurna, San Joaquin County Environmental Health <br /> California Environmental Protection Agency <br /> Co Recycled Paper <br />