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MONITORING WELL INSTALLOON WORKPLAN • -2- <br /> MONITORING WELL INSTALLATION REPORT <br /> F. Soil Sampling(if applicable): <br /> Cuttings disposal method <br /> Analyses to be run and methods <br /> Sample collection and preservation method <br /> Intervals at which soil samples are to be collected <br /> Number of soil samples to be analyzed and rationale <br /> Location of soil samples and rationale <br /> QA/QC procedures <br /> G. Well Sampling: <br /> Minimum time after development before sampling(48 hours) <br /> Well purging method and amount of purge water <br /> Sample collection and preservation method <br /> Table describing sample volumes, sample containers,preservation agents, and <br /> hold times <br /> QA/QC procedures <br /> H. Water Level Measurement: <br /> The elevation reference point at each monitoring well shall be within 0.01 foot. <br /> Ground surface elevation at each monitoring well shall be within 0.1 foot. <br /> Method and time of water level measurement shall be specified. <br /> I. Proposed time schedule for work. <br /> Monitoring Well Installation Report of Results <br /> A. Well Construction: <br /> Number and depth of wells drilled <br /> Date(s)wells drilled <br /> Description of drilling and construction <br /> Approximate locations relative to facility site(s) <br /> A well construction diagram for each well must be included in the report, and <br /> should contain the following details: <br /> Total depth drilled <br /> Depth of open hole (same as total depth drilled if no caving occurs) <br /> Footage of hole collapsed <br /> Length of slotted casing installed <br /> Depth of bottom of casing <br /> Depth to top of sand pack <br /> Thickness of sand pack <br /> Depth to top of bentonite seal <br /> Thickness of bentonite seal <br /> Thickness of concrete grout <br />