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CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD <br /> CENTRAL VALLEY REGION <br /> REVISED MONITORING AND REPORTING PROGRAM NO. 93-701 <br /> FOR <br /> GEWEKE LAND DEVELOPMENT AND MARKETING <br /> 16 SOUTH CHEROKEE LANE, LODI <br /> SAN JOAQUIN COUNTY <br /> GROUND WATER SAMPLING <br /> The ground water monitoring network, shown in Figure 1, consists of 14 monitoring wells, MW 1 D <br /> through MW 14, and an extraction well, EW l. <br /> New wells and monitoring points shall be included in the monitoring program. Where applicable, cone <br /> penetrometer technology may be used for collection of soil, vapor, and ground water samples. The (� <br /> Board shall be notified five days in advance of drilling. <br /> After several rounds of monitoring results have been reviewed, the sampling schedule may be modified, at <br /> the discretion of the Board. <br /> The ground water monitoring program shall consist of the following Tables 1 and 2: D <br /> Table 1: Ground Water Monitoring for Petroleum Hydrocarbons <br /> Type or Sampling Sample Analytical <br /> Parameters Units Sample Freauency Locations Method <br /> Depth to ground water Feet — Quarterly All Wells — <br /> Purgeable Aromatic 4g Grab Quarterly MW6,MW7,MW8, EPA Method 8020' <br /> Organics MW9,Mwl1, <br /> MW12, <br /> Annually All Wells <br /> TPH as gasoline µgA Grab Quarterly MW6,MW7,MW8, LUFT Method GCFID <br /> MW9,MWI1, <br /> MW12,MW14 <br /> Annually All Wells <br /> Purgeable Halogenated p gA Grab Annually All Wells EPA Method 8010' <br /> Organics <br /> Ethylenedibromide(EDB) µgA Grab Annually MW 14 EPA Method 8010 <br /> Methyl Tertiary Butyl Ether b,gA Grab Annually MW 14 EPA Method 8010 <br /> (MTBE) <br /> All constituents and peaks in ground water samples are to be reported. <br />