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1 Elh <br /> _Cit. <br /> Ms Margaret Lagorio <br />' April 12, 2004 <br /> Page 4 <br /> Recommendations <br />' ENSR recommends that operation of the Ozone Pilot Test system be continued and <br /> groundwater sampling be performed to evaluate the system's effectiveness Additionally, ENSR <br /> recommends the continuation of the groundwater monitoring and sampling program in <br /> accordance with SJCEHD letter dated December 30, 2003 <br /> Future Work <br /> ENSR will continue operation and maintenance of the treatment system in order to limit system <br /> down time The second quarter groundwater monitoring and sampling is scheduled for May <br /> 2004 <br />' Historical soil sample analytical data will be reviewed to assess potential sources of 1,2-DCA in <br /> soil beneath the site If required, a work plan will be prepared to assess the site as a possible <br /> source of 1,2-DCA during second quarter 2004 <br /> J 1ProJects10694012859 35-PFjnaRReport0st Qtr 2004-QMR RSR doc <br /> 35 Years of Excellence in Environmental Services <br />