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TMC ENGINEERS INC. <br />Geotechnical, Structural and Civil Engineering <br />Add: 9542 Pacific Ave, Anaheim, CA92804. Phone: 714-829-5053; Email: Tienchu.pe@gmail.com <br /> <br />Page 19 <br /> <br /> <br />APPENDIX B LABORATORY TESTING <br /> <br /> <br />Expansion Index <br />Expansion Index test was conducted on the existing onsite near surface materials sampled during field <br />investigation. The test is performed in accordance with ASTM D-4829. The testing results are presented <br />below: <br />Sample Location Dry Density <br />pcf <br />Moisture <br />content % <br />Expansion <br />Index <br />Classification <br />BH-1 2.0’ 128 11.8 Zero Ver Low <br /> <br /> <br />Corrosion Potential <br />Chemical laboratory test were conducted on the existing onsite near surface materials. The rests are <br />performed in accordance with California Test Method 417, 422, 532 and 643. The resting results are <br />shown in table below: <br />Sample Location PH Sulfate Content <br />% b Wei ht <br />Min. Resistivity <br />ohm-cm <br />Chloride <br />Content ppm <br />BH-1 0’ to 5’ 8 0.0656 1,976 133 <br /> <br />Note: N/R= Not Requested <br /> <br />FLOOD ZONE - 718 S <br />Flintridge Dr Unit# 23/26/2025