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<br />were installed. <br /> <br />These wells have been pump <br /> <br />tested <br /> <br />and will be <br /> <br />incorporated in the testing program in the spring of 1983. <br /> <br />With the <br /> <br />addition of these wells, we anticipate eliminating at least 90 percent of <br /> <br />the brine inflow at a pumping rate of 2 cfs. This reduces the amount of <br /> <br />brine to be pumped and disposed of by 60 percent over the projection made <br /> <br />in the Definite Plan Report. As a result, disposal methods for the brine <br /> <br />were reevaluated and deep well injection chosen as the most feasible. <br /> <br />Deep Well Injection Disposal <br />Williams Brothers Engineering Company was hired to determine the <br /> <br />feasibility of deep well disposal of the collected brine into suitable <br /> <br />formations. The objectives of the study were: <br /> <br />1. To evaluate the geologic conditions. <br /> <br />2. To evaluate the hydrogeologic conditions. <br /> <br />3. To evaluate the selected rock formations which are to be used as <br /> <br />a disposal zone. <br /> <br />4. To assess the impact of deep well injection .on the local <br /> <br />environment. <br /> <br />5. To prepare feasibility level construction cost estimates of the <br /> <br />brine treatment, pumping, well drilling and other associated <br />operating and maintenance costs. <br /> <br />Formations having the following characteristics were considered as <br /> <br />potential disposal formations: <br /> <br />A <br /> <br />thick <br /> <br />injection <br /> <br />interval with adequate <br /> <br />porosity <br /> <br />and <br /> <br />permeability and large areal extent. <br /> <br />'Ct)if573 <br /> <br />8 <br />