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- 2 - •J <br /> IL PREVIOUS SITE ASSESSMENTS <br /> Provide a detailed description of any previous site assessment conducted to determine if <br /> there is any soil or ground water contamination. Include analytical results of all soil and <br /> water samples analyzed, and water level and floating product measurements. <br /> III. FIELD INVESTIGATION <br /> A. General <br /> Monitoring well locations and rationale <br /> Survey details <br /> Equipment decontamination procedures <br /> Health and safety plan <br /> B. Drilling Details <br /> Describe drilling and logging methods <br /> C. 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 /> D. Well Development <br /> Method of development to be used <br /> Method of determining when development is complete <br /> Method of development water disposal <br /> E. 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 />