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Site Assessment Work Plan Outline 2 26 April 2002 <br />PREVIOUS SITE ASSESSMENTS <br />Provide a detailed description of any previous site assessment conducted to determine if there is any <br />soil or ground water contamination. Include analytical results of all soil and water samples <br />analyzed, and water level and floating product measurements. <br />III. FIELD INVESTIGATION <br />General <br />Monitoring well locations and rationale <br />Survey details <br />Equipment decontamination procedures <br />Health and safety plan <br />Drilling Details <br />Describe drilling and logging methods <br />Monitoring Well Design <br />Casing diameter <br />Borehole diameter <br />Depth of surface seal <br />Well construction materials <br />Diagram of well construction <br />Type of well cap <br />Size of perforations and rationale <br />Grain size of sand pack and rationale <br />Thickness and position of bentonite seal and sand pack <br />Depth of well, length and position of perforated interval <br />Well Development <br />Method of development to be used <br />Method of determining when development is complete <br />Method of development water disposal <br />Soil Sampling <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 />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 />QA/QC procedures