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ST L SIERRA TESTING LABORATORIES, INC <br /> GEOTECHNICAL AND MATERIALS TESTING SERVICES <br /> Project 96-194 <br /> 25 October 1996 <br /> Upgradient Environmental Consultants <br /> 336 Augusta Court <br /> Valley Springs, California 95252 <br /> Attention: Mr Victor Cherven <br /> Subject Gillies Project <br /> LA BORA TORY TEST RESULTS <br /> Dear Victor <br /> As requested, Sierra Testing Laboratories, Inc has performed laboratory testing on <br /> seven undisturbed samples, from the above referenced project. The samples were <br /> received by our laboratory on 15 October 1996 The samples were identified as <br /> GT4@45', GT4@50', GT6@65', GT7@45', GT7@50', GT8@65', and GT9@65' <br /> The test performed on the submitted samples was as follows <br /> GT4@45' and GT8@65' <br /> 1) Hydraulic Conductivity, fixed wall (ASTM D2434) <br /> GT4@501, GT6@65', GT7@451, GT7@50', GT9@65' <br /> 2) Hydraulic Conductivity, flexible wall (ASTM D5084) <br /> The results of Hydraulic Conductivity tests are presented in Table 1 , attached. <br /> We appreciate the opportunity to be of service to you on this project and look <br /> forward to providing additional service, as needed, in the future. <br /> Should you have any questions or require additional information, please contact our <br /> office at your convenience <br /> Very truly yours, <br /> Si ra Te ting Laborator" s, Inc. <br /> Paul C. Oswald <br /> Project Manager <br /> pco.mpw <br /> copies- 2 to Upgradient Environmental Consultants, Mr Victor Cherven <br /> enclosure Table 1 . <br /> 5088-B Hillsdale Car EI Dorado Hills, CA 95762 (916) 939-3460 Fax (916) 939-3507 <br />