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s� <br /> . Date August 20, 2004 <br /> APACHE PLASTICS QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility Address 2050 East Fremont Street, Stockton, California <br /> Consulting Co/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 (Second 2004) <br /> 1 Stratus measured groundwater elevations and collected groundwater samples from wells VEW-1, <br /> VEW-2, MW-2, MW-4, MW-7 through MW-11, and MW-15 through MW-18 on May 24, 2004 Well <br /> MW-3 remains obstructed and wells MW-5, MW-6, and MW-12 were inaccessible, therefore, these <br /> wells could not be monitored or sampled <br /> 2 Stratus compiled and evaluated groundwater monitoring data <br /> 3 Newly installed wells MWA5 through MW-18 were developed in April 2004 <br /> WORK PROPOSED FOR NEXT QUARTER (Third 2004) <br /> 1 The next sampling event is tentatively scheduled for August 2004 Groundwater samples will be <br /> collected for laboratory analysis from wells VEW-1, VEW-2, MW-2, MW-4 through MW-11, and <br /> MWA5 through MWA8 <br /> 2 Groundwater samples will be analyzed at a state-certified analytical laboratory for total petroleum <br /> hydrocarbons as gasoline (TPHG) by EPA Method SW80156/DHS LOFT Manual, and for benzene, <br /> toluene, ethylbenzene, total xylenes (BTEX), methyl tert-butyl ether (MTBE), tertiary amyl methyl <br /> ether(TAME), ethyl tertiary butyl ether (ETBE), di-isopropyl ether(DIPE), 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 82606 analysis <br /> 3 Offsite well installation, re-construction, and destruction activities on the south side of East Fremont <br /> Street will be Initiated once an encroachment permit has been obtained from the City of Stockton <br /> Current Phase of Project Assessment/Monitorin <br /> Frequency of Groundwater Sampling All Wells = Quarterly <br /> Frequency of Groundwater Monitoring Quarter) <br /> Groundwater Sampling Date May 24, 2004 <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(shallow wells) 47 82 to 49 35 feet below to of well casin <br /> Groundwater Flow Direction/Gradient(shallow wells) East-northeast/0 001 ftfft <br /> Depth to Groundwater(mid-depth wells) 48 53 to 49 34 feet below to of well casco <br /> P 1Apache PlasticAQuarterly reports124041Apache_2Q04 DOC STRATUS <br />