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•Merila and Associates <br />STS Project 93492 <br />December 19, 1984 <br />Laboratory Testing Procedures <br />-4- <br />Representative samples of cohesive and semi -cohesive soils were tested <br />to determine the water content, unit dry -density and unconfined com- <br />pressive strength. The results of this laboratory testing are indi- <br />cated on the individual boring logs in the Appendix of this report. <br />After testing, each soil sample was visually classified on the basis of <br />texture and plasticity in accordance with the "Unified Soil Classifi- <br />cation System". The estimated group symbol according to this system is <br />shown in parentheses following the soil descriptions on the boring <br />logs. A brief explanation of the "Unified System" is included with <br />this report. After classification, an Engineering Geologist grouped <br />the various soil types into the major zones noted on the boring logs. <br />The stratification lines indicated on the logs are estimated,; in -situ, <br />the transition between soil types may be gradual in both the vertical <br />and horizontal directions. <br />Detailed descriptions of the laboratory testing procedures as well as <br />procedures regarding field logs, laboratory data sheets and samples are <br />included in the Appendix of this report. Please refer to these sheets <br />for further information. <br />