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-a <br /> a <br /> nw <br /> Beacon No. 696 - Lodi <br /> Work Plan <br /> Page No. 15 <br /> : 6 <br /> E -- Ground-water samples will be collected from the monitoring wells installed <br /> at the site. These samples will be submitted for laboratory analysis for <br /> F <br /> tl9 . BTEX and TPH using approved EPA methods. Detection limits suitable for <br /> the water tests requested and concentrations present will be stated an the <br /> laboratory reports. Copies of the laboratory reports will be included in <br /> A. our final report. <br /> 11 , ) <br /> 4nj <br /> Measurement of Ground-Water Gradient <br /> A land surveyor will survey the well-head elevations (measured to the r <br /> nearest 0.01 foot) of the new and existing wells with respect.to mean sea <br /> level. The survey.data and ground-water measurements from each.well will <br /> be used to determine the ground-water gradient and direction of local. <br /> ground-water flow. Elevation differences between the wells,wili be <br /> combined with measurements of the depths to static water in the respective <br /> wells to calculate the differences in water level. The calculations will <br /> be used to prepare aground-water patentiometric surface map for the . ' <br /> f <br /> t - vicinity of the site. The gradient will be interpreted on an approximate <br /> quarterly..basis until a different frequency is warranted. <br /> IReport ftgautton <br /> - - <br /> ;�� <br /> A report prepared by the consultant summarizing the soil conditions <br /> T encounteredTduring:the drilling, field and laboratory procedures, well <br /> -water flow <br /> construction details, analytical results, direction of ground <br /> �j <br /> ���'_: ., ' #F#.—aaWr�i:avW+w-.+vn.ii�-*.x...wm- .+.3fwi¢_aG:, ..�rii:.«w,..ra b+rn.a;. ...tu.e.y... .s. .....a.. ... : .r... .... ..,.... .. .x a., .. •,..a.,..a r--+� <br />