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r <br /> AGS Job No. 38032-2 <br /> YJ:1O�A�, ^e7rXti� 4i�. rgal, 0,tackton-, Gad i Porn i a <br /> Asap/!ed G90SWeIns 4797-E Power Inn Road, Sacramento,CT;7582(' !9161-452-29ol <br /> • FREMONT •COSTA MESA e SACRAMENTO HOUSTON ^ <br /> A cast-aluminum utility box with a PVC apron will be set in <br /> . 04 concrete flush with the surrounding station pad at each of the <br /> proposed locations. The utility boxes have watertight seals to <br /> protect against surface-water infiltration and require specially <br /> designed wrenches to open. Each well head will also be fitted <br /> with a locking steel cap. This design reduces the possibility of <br /> vandalism or accidental disturbance to the well. <br /> Ground-Water Sampling <br /> Water samples will be collected for subjective analysis prior to <br /> purging and development of the monitoring wells. A sample will <br /> be collected from the water surface in each well With a Teflon <br /> bailer cleaned with Alconox and deionized water. Any subjective <br /> evidence of product dstected in the wells will be recorded. If <br /> no floating product is detected, the wells will be developed and <br /> purged and samples will be collected for laboratory analysis. <br /> After initial water-level measurements, the wells will be <br /> developed by surge-pumping or another suitable method. The wells <br /> will be purged of approximately three to four well volumes of <br /> water using a s6bmersible pump ntil pH and temperature readings <br /> --- - --------stabili-ze---Following-ground-water-recovery-to-static-conditions ------ - --- ----- - <br /> to <br /> 14 <br />