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<br /> B-1 <br /> <br />APPENDIX B <br />LABORATORY TESTING <br /> <br />PROPOSED ACCESSORY DWELLING UNIT <br />1301 North Parsons Place <br />SANTA ANA, CALIFORNIA <br /> <br />Laboratory tests were performed on selected samples to assess the engineering properties and <br />physical characteristics of soils at the site. The following tests were performed: <br /> moisture content and dry density <br /> No. 200 Wash <br /> Atterberg limits <br /> direct shear <br /> corrosion potential <br /> <br />Test results are summarized on laboratory data sheets or presented in tabular form in this <br />appendix. <br /> <br />Moisture Density Tests <br />The field moisture contents, as a percentage of the dry weight of the soils, were determined by <br />weighing samples before and after oven drying. The dry density, in pounds per cubic foot, was <br />also determined fir all relatively undisturbed ring samples collected. These analyses were <br />performed in accordance with ASTM D 2937. The results of these determinations are shown on <br />the boring log in Appendix A. <br /> <br />No. 200 Wash Sieve <br />A quantitative determination of the percentage of soil finer than 0.075 mm was performed on <br />selected soil samples by washing the soil through the No. 200 sieve. Test procedures were <br />performed in accordance with ASTM Method D1140. The result of the tests are shown on the <br />boring log. <br />Atterberg Limits <br />Liquid limit, plastic limit, and plasticity index were determined for selected soil samples in <br />accordance with ASTM D 4318. The soil sample was air-dried and passed through a No. 40 <br />sieve and moisturized. The liquid and plastic limit tests were performed on the fraction passing