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Dot Lofstrom <br /> To: Jeff Wong I <br /> Subject: ►kkdes_ G(� (iao <br /> Jeff, O <br /> I have reviewed the pumping test proposal from Upgradient Environmental Consultants dated April 24,2000. If memory <br /> serves me, your question was, "Is a four-hour pumping test appropriate?" My answer is"yes"given the stratigraphic <br /> circumstances described in the work plan. Aquifer analysis tests were originally designed by the water well industry to see <br /> how well the water wells performed. In order to get a "true" hydraulic conductivity of the area, a longer duration test would <br /> be required. However,what you will get from the 4-hour test is the K of the of the material in the immediate area,which <br /> will give them the information they are seeking. <br /> If your question was different from what I am remembering, please let me know. <br /> Dot <br /> 1 <br />