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fi y <br /> 11 tl J v <br /> • Date October 22, 2003 <br /> APACHE PLASTICS QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility Address 2050 East Fremont Street, Stockton, California <br /> Consulting Cc /Contact Person Stratus Environmental, Inc /Jay Johnson, R G <br /> Consultant Project No 2005-2050-01 <br /> Primary Agency/Regulatory ID No Lori Duncan/San Joaquin County Environmental Health Department <br /> /2313 <br /> WORK PERFORMED THIS QUARTER (Third 2003) <br /> 1 Stratus measured groundwater elevations and collected groundwater samples from wells VEW-1, <br /> VEW-2, MW-2, and MW-4 through MW-12 on August 11, 2003 Well MW-3 remains obstructed and <br /> could not be monitored or sampled <br /> 2 Stratus compiled and evaluated groundwater monitoring data <br /> 3 Stratus obtained access to the property and have retained drilling permits from SJCEHD for <br /> additional assessment activities <br /> WORK PROPOSED FOR NEXT QUARTER (Fourth 2003) <br /> i1 The next sampling event Is tentatively scheduled for November 2003 Groundwater samples will be <br /> collected for laboratory analysis from wells VEW-1, VEW-2, and MW-2 through MW-12 <br /> 2 Groundwater samples will be analyzed at a state-certified analytical laboratory for total petroleum <br /> hydrocarbons as gasoline (TPHG) by EPA Method SW8015B/DHS LUFT Manual, and for benzene, <br /> toluene, ethylbenzene, total xylenes (BTEX), methyl tent-butyl ether (MTBE), tertiary amyl methyl <br /> ether (TAME), ethyl tertiary butyl ether (ETRE), di-isopropyl ether(DIPS), tertiary butyl alcohol (TBA), <br /> 1,2-dichloroethane (1,2-DCA), and 1,2-dibromoethane (EDB) by EPA Method SW8260B The <br /> laboratory will attempt to identify all peaks detected in the EPA Method 82608 analysis <br /> 3 Stratus will begin implementing the additional environmental assessment and well abandonment <br /> activities outlined in the Work Plan for Additional Site Assessment (dated April 9, 2002), the Work <br /> Plan Addendum(dated October 1, 2002), and the SJCEHD approval letter dated July 17, 2003 <br /> Current Phase of Project Assessment <br /> Frequency of Groundwater Sampling All Wells=Quarter) <br /> Frequency of Groundwater Monitoring _Quarterly <br /> Groundwater Sampling Date August 11,2003 <br /> Is Free Product(FP) Present on Site No <br /> FP Recovered This Quarter NA <br /> Cumulative FP Recovered to Date NA <br /> Depth to Groundwater(upper zone) 49 10 to 51 04 feet below top of well casing <br /> Depth to Groundwater(lower zone) 50 23 to 51 94 feet below top of well casing <br /> P\Apache Plastics\Quarterly reports120031Apache_3Q03 DOC 5TRA rU5 <br />