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is <br /> San Joaquin County DIRECTOR <br /> Q N Donna Heran,REHS <br /> A- Environmental Health Department p ASSISTANT DrrtEcroR <br /> 600 East Main Street Lauriecotuua,'REHs <br /> -E Stockton,.California 95202-3029 PROGRAM COORDINATORS <br /> Carl Borgman,REHS <br /> Mike Huggins,REHS, RDI <br /> cQC ,Fp'Rt'�P Website: WWW.SjgOV.Org/@hd Margaret Lagorio,REHS <br /> Phone: (209) 468-3420 Robert McClellon, RENS <br /> Fax: (209) 464-0138 Jeff Carruesco;REHS, RDI <br /> Kasey Foley,REHS <br /> John Cervantes MAR 1 8 2008 <br /> P4 Box 6008 <br /> Stockton CA 95206 <br /> Subject: JC Trucking Site Code: 2571 <br /> 1207 Aurora Street <br /> Stockton CA 95206 <br /> The San Joaquin County Environmental ,Health Department (EHD) has reviewed the <br /> "Quarterly Groundwater Monitoring and Sampling Report, Fourth Quarter 2007" (Report) <br /> dated February 2008, submitted on your behalf by JJW Geosciences (JJW) and has the <br /> following comments. <br /> The Report documents a routine quarterly groundwater monitoring and sampling event <br /> that was conducted at your site on December 14, 2007. Reported analytical results were <br /> consistent with historical trends. The EHD recommends modification of the sampling <br /> regimen at the site to annual sampling of wells MW-4, MW-6, MIN-9, MW-10 and MW-12. <br /> These wells should continue to be monitored for depth to water for use in groundwater <br /> elevation and flow direction calculations. <br /> The Report states that the ozone remediation system resumed operation 'on <br /> December 14, 2007. However, shortly after that time the',EHD observed that the system <br /> had gone down again. As of March 18, 2008 the EHD has not been notified, nor observed <br /> that the system is again operational. You are directed to make necessary repairs to the <br /> remediation system and notify the EHD that it is operational no later than April 30, 2008. <br /> If you have any questions please call Lori Duncan at (209).'468-0337. <br /> Sincerely, <br /> Lori Duncan, REHS Nuel.C. Henderson, Jr., PG <br /> Senior Registered Environmental Health Specialist Engineering Geologist <br /> c: James Barton, CVRWQCB, 11020 Sun Center Drive #200, Rancho Cordova CA 95670 <br /> Mark Jerpbak, JJW, 11350 Monier Park Place, Rancho'Cordova CA 95742 <br /> I <br /> 1 � <br />