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San Joaquin County <br /> DIRECTOR <br /> PpWry Environmental Health Department Donna Heran,REHS <br /> 600 East Main Street <br /> PROGRAM COORDINATORS <br /> Q, < Stockton, California 95202-3029 Robert McClellon,REHS Q <br /> Jeff Carruesco,REHS,RDI . f� <br /> Kasey Foley,REHS (➢" <br /> ,.�P • Website: Www.sjgov.org/ehd Linda Turkatte,REHS <br /> ORa Phone: (209)468-3420 <br /> Fax: (209)464.0138 <br /> June 8, 2011 <br /> Diggler and Wad LLC Mr. Sergio Moreschalchi <br /> Atlantic Richfield Company <br /> Mr. Scott Damouny PO Box 1257 <br /> 2707 E. Fremont St., Suite 14 San Ramon, CA 94583 <br /> Stockton, CA 95205 <br /> Subject: former ARCO Gas #443 APN: 141-240-232478E. Site Code: RO#: 1781 <br /> Stockton, <br /> n, CA 95205 Oak Street Global ID#: T0607798060 <br /> Stoc <br /> The San Joaquin County Environmental Health Department (EHD) has reviewed Quarterly <br /> Status Summary Report— First Quarter 2011 (QMR) submitted to Geotracker. The QMR was <br /> for the reporting period between semi-annual sampling events. Notations in the report indicated <br /> no sampling, no assessment, no remediation, and no waste was generated during this reporting <br /> period. Also included in the QMR was a statement that the groundwater plume has not been <br /> adequately delineated by the existing well network. No recommendations were included to <br /> conduct an investigation to complete the required site characterization. <br /> The EHD hereby directs you to submit a work plan to continue to characterize the <br /> groundwater plume emanating from this site. The work plan is due on Geotracker by <br /> August 8, 2011. <br /> For the last two semi-annual groundwater sampling events, monitoring well MW-1S has been <br /> obstructed. Monitoring wells that are obstructed or in disrepair must be repaired and returned <br /> to usable condition immediately or destroyed and replaced under an approved work plan and <br /> permit. You are hereby directed to take immediate steps to remove the obstruction in <br /> monitoring well MW-1S and return it to full usable condition. If the well cannot be restored <br /> and returned to usable condition by the next groundwater sampling event, a work plan to <br /> destroy and replace the well is due on Geotracker 30-days after the sampling event. <br /> You may also contact Mr. I a if you have any questions. <br /> i/Z,441 �J/)"� � � <br /> ` dnenne Ellsaesser, REHS <br /> Michael J. Infurna Jr., REIdS Actin Program Coordinator <br /> Senior Registered Environmental Health Specialist 9 9 <br /> c: Mr. James L. L. Barton, CVRWQCB, Rancho Cordova, CA 95670-6114 <br /> Mr. Kirk Larson, SWRCB, Sacramento, CA 94244-2120 <br /> Mr. Brad Shelton, Stantec, 3017 Kilgore Road, Rancho Cordova, CA 95670 <br />