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BLACK AVENUE RESIDENTIAL <br />DEVELOPMENT <br />648-26-1 <br />Page B-1 <br />APPENDIX B: LABORATORY TEST PROGRAM <br />The laboratory testing program was performed to evaluate the physical and mechanical <br />properties of the soils retrieved from the site to aid in verifying soil classification. <br />Moisture Content: The natural water content was determined (ASTM D2216) on 10 samples <br />of the materials recovered from the borings. These water contents are recorded on the boring <br />logs at the appropriate sample depths. <br />Washed Sieve Analyses: The percent soil fraction passing the No. 200 sieve (ASTM D1140) <br />was determined on one sample of the subsurface soils to aid in the classification of these soils. <br />Results of this test is shown on the boring logs at the appropriate sample depths. <br />Plasticity Index: One Plasticity Index determination (ASTM D4318) was performed on a <br />sample of the subsurface soil to measure the range of water contents over which this material <br />exhibits plasticity. The Plasticity Index was used to classify the soil in accordance with the <br />Unified Soil Classification System and to evaluate the soil expansion potential. Results of this <br />test are shown on the boring log at the appropriate sample depth. <br />ASTM DASTM D4318) was performed on a 4318) was performed on a <br />sample of the subsurface soil to measure the range of water contents over which this material sample of the subsurface soil to measure the range of water contents over which this material <br />exhibits plasticity. The Plasticity Index was used to classify the soil in accordance with the exhibits plasticity. The Plasticity Index was used to classify the soil in accordance with the <br />Unified Soil Classification System and to evaluate the soil expansion potential. Results of this Unified Soil Classification System and to evaluate the soil expansion potential. Results of this <br />test are shown on the boring log at the appropriate sample depth.test are shown on the boring log at the appropriate sample depth.