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t <br /> LEVIhalE * FRI ISE <br /> ENGINEERS.HYDROGEOLOGISTS&APPLIED SCIENTISTS <br /> feet). This depth is based upon a well boring log that will be used in the field by the geologist <br /> overseeing the well abandonment and sealing. Remainingwell materials and soil will be removed <br /> from the boring when the augers are removed, <br /> (ince the well has been drilled out, a cement-bentonite slurry will be pumped into the boring <br /> through a trey ie pipe placed at the bottom of the boring, and the boring will be filled to the ground <br /> surface. <br /> 4 Waste [disposal <br /> Drilling debris, including sand, soil, cement grout and PVC well casing, will be temporarily stored <br /> on site until a means of disposal is determined by the client. <br /> If you have any questions or comments please call me or Larry Lapuyade at 510-652-4500. <br /> Sincerely, <br /> Kathleen A. Isaacson, R.G. <br /> Principal Hydrogeologist <br /> cc: Glen Brooks, PacifiCorp_Financial Services <br /> Debra Sommers,Esq., Wilson, Sonsini, Goodrich &.Rosati <br /> I <br /> 1p - <br /> i <br /> Page 2 2990WELL:wo:bab <br />