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Ft I <br /> Ms. Laurie Cotulla, R.S. <br /> Page 2 <br /> The bottom of the formation in number B will be determined in the <br /> field by carefully logging the auger cuttings and observing the <br /> drilling penetration rate. I will drill one foot'�.below the <br /> 4 bottom of the formation and stop. Both replacement monitoring <br /> wells will be screened from the bottom of the formation' uto t <br /> feet higher than the top of the formation as per Mr. Garyp Johnsowno <br /> of the California Regional Water Quality Control Board, Central <br /> Valley Region. The gravel <br /> ot <br /> higher than the screen. This k will lbebfollowedhby fourfeetne bentonite f <br /> pellets followed by bentonite-cement grout to the <br /> surface. I have enclosed a rough draft pencil sketch of each <br /> replacement monitoring well. <br /> Thank you for your help and co:operation in thisro `ectlr. <br /> P J <br /> Yours very truly, <br /> I <br /> GMS and Associates <br /> C � <br /> Gregg M. bbs, P.G. <br /> Principa <br /> y <br /> I i <br /> GMS & ASSOCIATES ; <br />