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' AWCASSOCIATES INC. <br /> 126D C-9w 0(n Ind %cdlfwll 95 1 LOG O F BORING S B 1 <br /> FPROJECT EDISON HIGH SCHOOL LOCATION 1425 SOUTH CENTER STREEr. STO KTON CALIFORNIA PROJECT NO. 17292.0003 <br /> Gr-.DATE DRILLED LOGGED BY TOM LU11IRMAN REVIEWED BY JEANNE HOMSEY C47410 <br /> If �IRILLING COMPANY V&W DRILLING DRILLER TRAVIS MILLS METHOD DIRECT PUSH TECHNOLOGY <br /> -'BORE HOLE DIAMETER 1.5 IN - DEPTH DRILLED 31 FT DEPTH TO WATER : INITIAL FT STATIC FT <br /> CASING TYPE NA DIAMETER — IN SCHEDULE INTERVAL FT TO FT <br /> -. SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT VIA TREMIE METHOD INTERVAL 0 FT TO 31 FT <br /> COMMENTS: 30 DEGREE ANGLE BORING. LOG MEASUREMENTS REPRESENT ADJUSTED VERTICAL DEPTH. PAGE I OF I <br /> WELL DEPTH PID SAMPLE 10 LITHOLOGIC DESCRIPTION <br /> DETAIL. FT. PPM) BLOWCOUNT LOG <br /> I <br /> �^ 2 I <br /> F <br /> 0-6/9' SILTY SAD (SM): <85X FINE—MEDIUM, POORLY GRADED SAND; >15% <br /> s 4 SM FINES; MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, <br /> DRY—MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 0.5 <br /> fi <br /> 8 <br /> 6/9-11/14' SILT WITH SAND (ML): >15% FINE, POORLY GRADED SAND; <85X <br /> P 10 0.5 ML FINES; LOW DRY STRENGTH, NONE—SLOW DILATANCY, LOW—MEDIUM <br /> TOUGHNESS. LOW PLASTICITY, MODERATE YELLOW BROWN, NO PRODUCT <br /> ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 12 <br /> 14 <br /> EHS—SBI-15.0 <br /> 0.8 <br /> F' <br /> 16 <br /> CL 11/14-21/24' SANDY L N CLAY (CL): >30% FINE, POORLY GRADED SAND; <7OX <br /> FFINES; N NE—SLOW DILATANCY, LOW--MEDIUM TOUGHNESS, MEDIUM <br /> 18 PLASTICITY. MODERATE YELLOW BROWN, NO PRODUCT ODOR. NO <br /> EHS—SBI-20.0 ORGANICS. MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 20 1.0 <br /> —22- <br /> 24- <br /> - <br /> 2 24 <br /> 1.3 CL 21/24--26/29' LEAN CLkY (CL): <15X FINE, POORLY GRADED SAND; >85% FINES; <br /> NO DILATANCY. MEDIUM TOUGHNESS, MEDIUM PLASTICITY, MODERATE <br /> 26YELLOW BROWN. NO PRODUCT ODOR, NO ORGANICS, MOIST, WEAK <br /> CEMENTATION. HOMOGENOUS <br /> 28 <br /> EHS-581-30.0 <br /> SW—SM 26/29-31' WELL GRADED SAND WITH SILT (SW—SM): 90% FINE—COARSE, WELL <br /> _30- 1 GRADED SAND; IO% FINES; PALE YELLOW BROWN. NO PRODUCT ODOR, <br /> MOIST. WEAK CEMENTATION, HOMOGENOUS <br /> 32 <br /> 34 <br /> 'A <br /> 36 <br /> F 38 <br /> F <br /> 40 <br />