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y <br /> CAMBRIA <br /> i <br /> MASS REMOVAL BY GROUNDWATER EXTRACTION <br /> Constituent Total Removed <br /> Total Hydrocarbons 18 pounds <br /> MTBE 15 2 pounds <br /> Water 2,295,500 gallons <br /> ANTICIPATED SECOND QUARTER 2005 ACTIVITIES <br /> As approved by the San Joaquin County Environmental Health Department(SJCEHD) in a letter <br /> dated March 16, 2005, groundwater samples will no longer be collected monthly from well <br /> MW-6A Well MW-6A will now be sampled quarterly The SJCEHD also agrees that the <br /> groundwater extraction and treatment system should be dismantled and requests that a work plan <br /> or site closure report be prepared Cambna will submit a site closure report by June 1, 2005 <br /> Due to the possibility of case closure, SJCEHD does not believe it is necessary to change the <br /> present sampling schedule Therefore, Blame will gauge and sample the site wells according to <br /> the existing sampling schedule and tabulate the data Cambria will prepare a groundwater <br /> monitonng report <br /> CLOSING <br /> As requested in SJCEHD's March 21, 2005 letter, Cambria directs SCJEHD staff to our <br /> February 9, 2000 Well Installation Report This report documents the installation of wells <br /> MW-IA, MW-4B, MW-5A, MW-5B, -6A, and MW-6B, and includes the well log <br /> information <br /> 0324 2 <br />