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r <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE No B-4 (MW-3 <br /> r � 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH gs' <br />' Project Lodi Airport Date(s) Drilled 22 June 2000 <br />' Project No AGE-NC-98-0533 Page 3 of 3 <br /> Depth I Sample Blows PID Soil USCS Class and <br /> ID (per 6") (ppm) Symbol Sod Description <br />' == ML Brown,moist,hard clayey silt rvrth fine sand(10%sand)and black organic matter <br /> - <br /> 65— B-4-65' 50 0 No HC odor <br /> I <br /> I CL Brown,moist,hard silty clay with fine sand(10%)and black organic matter No HC <br /> - <br /> 70- <br /> a B-4-70' 50 1 odor <br /> SP-SM Brown,wet,dense poorly graded sand with silt(10%silt)and trace of clay No <br /> -7 B-475' 20/37/50 1 HC odor <br /> r <br /> I == ML Brown to olive green,very moist,clayey silt,with iron oxides and trace of fine sand <br /> -80- <br /> S0 B-4-80' 23/50 1 —— No HC odor <br /> -85 , <br /> I <br /> I <br />