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i <br /> Of <br /> 11ir 11i 11, 111 <br /> 91 <br /> ..a <br /> YOUNGDAHL <br /> &ASSOC AT ES INC. <br /> GEOTECHNICAL ENGINEERS&CONSTRUCTION LABS. <br /> Project No. 89302.T <br /> 11 September 1989 <br /> Delta Environmental Consultants, Inc. <br /> 330 Data Drive <br /> Rancho Cordova, California 95670 <br /> Attention: Mr. Paul Andrews <br /> r' Subject: Project No. 40-89-012 <br /> Laboratory Test Results <br /> I . <br /> Dear Paul: <br /> As requested, Youngdahl & Associates, Inc. has performed <br /> laboratory testing on four samples from the above project, <br /> delivered to our laboratory by the client on 30 August 1989. <br /> Atterberg limits and gradation analysis were performed on the <br /> samples identified as SB6-3, SB6-4, and MW9-1. Results of the <br /> { atterberg limits are recorded on the attached graphs, gradation <br /> test results. <br /> An atterberg limit and a wash analysis were performed on the <br /> sample identified as SB9-2. Results of the atterberg limits are <br /> recorded an the attached summary of test results (Table 1) . <br /> Results of the gradation analysis are recorded on the attached <br /> graph, gradation test results. Classifications were in <br /> accordance with the Unified Soil Classification System. <br /> Should you have any questions or require additional information, <br /> please contact our office at your convenience. <br /> viewed Very truly yours, <br /> YOUNGDAHL & ASSOCIATES, <br /> Dennis E. d , .E. Mark Leitschuh <br /> Laboratory Manager <br /> Copies: 2 to Delta Enviro <br /> y <br /> 01�9jF.F iA'Ji�� rI <br /> 32336%gCN$Ea CIRCLE ■ RANCHO COFCOVA,CA 957-42 <br />