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i • <br /> MONITORING AND REPORTING PROGRAM -2. <br /> FLAG CITY CHEVRON,6421 CAPITOL AVENUE,LODI <br /> SAN JOAQUIN COUNTY <br /> SAMPLING FREQUENCY <br /> Quarterly' <br /> Wells <br /> Wells and All monitoring wells (MW-1 through MW-18) and any newly <br /> Sample installed wells, <br /> Locations All extraction wells (EX-1 through EX-10), <br /> Treatment system influent and effluent sample, and <br /> County Service Area wells #1 and#2. <br /> The annual sampling event will occur in the first quarter of each calendar year. <br /> MONITORING REQUIREMENTS <br /> EPA Anal tical Max. Detection Sampling <br /> Constituents Method Limit /1 Frequency <br /> De th to Groundwater --- --- Quarterly <br /> TPH as Gasoline and Diesel 8015M 50 Quarterly <br /> MTBE 8260B 0.5 Quarterly <br /> Benzene 8020 or 8260B 0.5 Annually <br /> Toluene 8020 or 8260B 0.5 Annually <br /> Ethyl benzene 8020 or 8260B 0.5 Annually <br /> Xylenes 8020 or 8260B 0.5 Annually <br /> TBA2 8260B 5.0 Annually <br /> TAME 8260B 0.5 Annually <br /> DIPEZ 8260B 0.5 Annually <br /> ETBE2 8260B 0.5 Annually <br /> Methanoe 8260B 500 Annually <br /> Ethano12 8260B 50 Annuall <br /> For non-detectable results,report as less than these detection limits. <br /> 2 If a fuel oxygenate or additive, including tertiary butyl ether(TBA), tertiary amyl methyl <br /> ether(TAME), di-isopropyl ether(DIPE), ethyl tertiary butyl ether(ETBE),methanol,or <br /> ethanol is detected, it shall be added to the quarterly monitoring program for the well in which <br /> it was detected. <br />