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Quality Assurance/Quality Control Plan Page 7 <br /> An acrylic Surface Sampler will be used for visual inspection of the groundwater in order to note <br /> sheens (difficult to detect with the Interface Probe), odors, microbial action and sediments The <br /> sampler is calibrated in inches and centimeters for visual inspection of product thickness <br /> To reduce the potential for cross contamination between wells, the monitonngs will take place <br /> in order from the least to most contaminated, of known Well containing free product will be <br /> monitored last. Between each well momtorang the equipment will be decontaminated <br /> r Water level data collected from the wells will be used to develop a groundwater contour map <br /> for the project site Groundwater flow will be estimated to be perpendicular to equipotential <br /> lines drawn on the map <br /> 10.0 WELL DEVELOPMENT PROTOCOL <br /> Groundwater monitoring wells will be surged and developed prior to setting the surface seal <br /> Approximately 10 Mmes the volume of water in the casing will be withdrawn of possible. Casing <br /> f volumes will be calculated in the following manner <br /> 4 <br /> t <br /> , <br /> E V �Of$0KO LE 40 PVC PIPE <br /> OMME"ITER l.0 . VOLUME <br /> Iiri�sl lincbasx Gal#llrtear ft. <br /> 2 2067 017 <br /> 4 4 426 066 <br /> F <br /> i <br /> r <br /> F <br /> ac <br /> S <br />