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Third Quarter 1993 Monitonng Report <br /> Coca-Cola Entcrpnscs, Inc <br /> Project No 54006 02 <br />' Page 4 <br />' patterns but may be partially due to the effect of a vapor extraction system that has been in <br /> operation at the site since July 1993. <br />' RECONEMOENDATIONS <br />' Based upon the findings and conclusions of this and previous groundwater monitoring episodes, <br /> RESNA recommends continued quarterly monitoring consisting of measuring water levels in <br /> wells MW-1 through MW-6 and collecting samples from wells MW-1, MW-2, and MW-6. If <br />' concentrations of petroleum hydrocarbons continue to be nondetectable RESNA will request <br /> further reductions in groundwater monitoring or closure. Water samples collected during <br /> monitoring should be submitted for laboratory analysis of TPHG, TPHD, and BTEX using EPA <br />' methods 5030/8015/8020. <br /> SCHEDULE <br /> The next quarterly monitoring episode is scheduled for December 1993 with the quarterly <br /> monitoring report submitted in January 1994. Routine well maintenance and inspection will be <br /> performed as necessary during site visits. <br /> DISTRIBUTION <br />' Copies of this report will be forwarded to the following regulatory agencies involved it this <br /> project: <br /> Mr. Michael Collins, Environmental Health Specialist <br /> San Joaquin County Public Health Services <br />' Environmental Health Division <br /> P.O. Box 2009 <br />' Stockton, California 95201 <br /> Ms. Beth Thayer, Water Quality Engineer <br />' Regional Water Quality Control Board <br /> Central Valley Region <br /> 3443 Router Road <br />' Sacramento, California 95827-3098 <br />' 3QMR1993 FNL <br />