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' • Continue monthly monitoring of the vapor extraction system, groundwater treatment and <br /> discharge system, and air sparge system <br /> + Perform an evaluation of system effectiveness <br />' Please contact our office at(209) 579-2221 if you have any questions or comments <br /> Respectfully submitted, <br />' ATC Associates Inc <br /> &-- <br /> Todd Hafner <br />' Project Geologist <br /> EO G. <br /> Lorraine M Sawyer, R G #4450 ck� No. 4450 , <br /> Principal Geologist 0 n, <br /> cc Mr and Mrs Raymond Farmer �� UP.C21 <br /> Jim Barton, RWQCB ATF <br /> OF CA1.1F0 <br /> 1 <br /> r <br /> s 1enviro1625961quartlyl3gr-2004 doe 9 ATC Associates Inc <br /> 1 <br />