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Waterwork <br /> Groundwater Mani�S Pzotoc`oI <br /> Monitoring depth to water <br /> and at the site will be conducted eusingo'duan tInterfaceicknesswiProin <br /> beweland <br /> Surface Sampler. The Interface Probe is a hand held, battery <br /> operated device for measuring depth <br /> to <br /> depth to water as measured from an establishedzdatum eum P(i.e., top { <br /> of the well casing which has been surveyed) . For consistency, <br /> all measurements teill be taken form the nor <br /> th side wellhead. To assess . Potential infiltration of fine °f the <br /> sediments, well depth will br, sounded usingthe interface grained <br /> ` probe, ? <br /> Product thickness is <br /> Product from the depth towater. In -the by <br /> elevations <br /> to <br /> 5 er <br /> are calculation: <br /> for the presence of fuel with the following <br /> � calculation: <br /> t <br /> (Product Thickness) (.B)+(Water Elevation) <br /> Corrected dater Elevation <br /> _ Piote: The factor of 0.6 accounts for the density <br /> ' between water and petroleum hydrocarbons, y differenMe <br /> y <br /> Ars acrylic Surface Sam <br /> Pler shall be used for <br /> the groundwater to note sheens (difficult tvisual <br /> etectspwith ontof <br /> he j <br /> I Interface Probe), odors microbial action and sediments. The <br /> isampler _is calibrated in inches and centimeters <br /> nspection of for visual x <br /> product thickness. � <br /> To reduce the <br /> i Potential <br /> flcoiormileast between wells,:ronitoringswill takepaen rdefromthe to most <br /> contaminated. Wells containing <br /> s last. Between each monitoring tha1ee Product will be Monitored <br /> x laboratory grade detergent and doublerinsedwith tap ment will be wwater, with <br /> final rinsed with deionized water. <br /> 14,a <br /> } F! <br />