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r ASSOCIATES INC. INN � MIdda Ulof 95B1 LOG OF BORING S62 : FPROJECT EDISON HIGH SCHOOL LOCATION 14 NT T T CCALIFORNIAPROJECT NO. 17292.0003 ,'PATE DRILLED X16/99 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY 047410 _,,JRILLING COMPANY VAW DRILLING DRILLER TRAVIS MILLS METHOD DIRECT PUSH TECHNOLOGY BORE HOLE DIAMETER 1.5 IN DEPTH DRILLED 30 FT DEPTH TO WATER ; INITIAL FT STATIC _ FT CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO — FT SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT_ TO FT FILTER PACK TYPE NA INTERVAL FT TO FT SURFACE SEAL TYPE NEAT CEMENT VIA TREMIE METHOD INTERVAL D FT TO 30-T COMMENTS: 30 DEGREE ANGLE BORING. LOG MEASUREMENTS REPRESENT ADJUSTED VERTICAL DEPTH. CONTINUOUS CORED PAGE I OF WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION DETAIL EL PPM BLOWCOUNT LOG k 2 0-5' SILTY SAND (SM): <85X FINE-COARSE, WELL GRADED SAND; >15% SM FINES; MODERATE YELLOW BROWN, NO PRODUCT ODOR, ORGANICS, MOIST WET, WE K CEMENTATION, HOMOGENOUS - " 4 1 6 5-12' SILT WITH SAND (ML):<1 S% FINE, POORLY GRADED SAND; >85X 8 ML FINES; NONE-SLOW DILATANCY, LOW TOUGHNESS, LOW PLASTICITY, MODERA E YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION. HOMOGENOUS F _10— _12- -14- 0.3 012 140.3 sHs-see—Is.o u 12-20' SANDY LEAN CLAY (CL): 30% FINE, POORLY GRADED SAND; 70% FINES; 16 CL NONE-SLOW DILATANCY, MEDIUM TOUGHNESS, MEDIUM PLASTICITY, MODERA E YELLOW BROWN, NO PRODUCT ODOR. NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS 18 20 0.3 EM-se2-20.0 20-24' LEAN CLkY (CL): <15X FINE-MEDIUM, POORLY GRADED SAND; >SS% FINES; ONE-SLOW DILATANCY, MEDIUM TOUGHNESS, LOW-MEDIUM 22 CL PLASTICITY. MODERATE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS —24- 0.3 40.3 26- 24-30' WELL GRADED SAND WITH SILT (SW-SM): 909 FINE-COARSE, WELL SW-SM GRADED SAND; 1OX FINES; PALE YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS. MOIST, WEAK CEMENTATION, HOMOGENOUS 2$ EHS-Set—".a 30 0.3 32 34 F" 36 38 40