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MONITORING AND REPORTING PROGRAM -4- <br /> DEFENSE DISTRIBUTION REGION WEST TRACY <br /> SAN JOAQUIN COUNTY <br /> Type of Sampling <br /> Constituents Units Sample Frequency <br /> Total Volume of gallons Meter Plan B <br /> Water Extracted <br /> Extraction Rate at Time gpm Meter Plan B <br /> of Sampling <br /> Average Extraction Rate gpm Meter Plan B <br /> (since last sampling) <br /> Pressure at Time psig Meter Plan B <br /> of Sampling <br /> Water Level ft. MSL Meter Continuous <br /> PERFORMANCE MONITORING WELLS: <br /> The performance monitoring wells for the ground water extraction system shall <br /> include the Ensotech, Inc. wells (MW1 , MW2, MW3, MW4, and MW5). These well shall <br /> be monitored as follows: <br /> Type of Sampling <br /> Constituents Units Sample Frequency <br /> Volatile Organics Ag/l Grab Plan E <br /> (Methods 8010 and 8020) <br /> Specific Conductivity pmhos/cm Grab Plan E <br /> pH pH Units Grab Plan E <br /> Temperature °F/°C Grab Plan E <br /> Water Level ft. MSL Meter Continuous <br /> FULL SCALE OPERATIONAL PHASE MONITORING <br /> The objective of this phase is to operate the ground water cleanup system in the <br /> most optimal manner and to comply with discharge limitations. <br />