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—A-ASSOCIATES INC. <br /> 1111 Laae Palm Ave,Sine B,fll*10,Cafitanlia,95x51 �w) LOG OF BORING/WELL M W 1 <br /> PROJECT DIESEL PERFORMANCE LOCATION 2804 EAST FREMONT STREET STOCKTON,.CA <br /> DATE DRILLED _09/25/98 LOGGED BY -TOM LUTTERMAN PROJECT NO. 62577.0001 <br /> DRILLING COMPANY v W DR LIN DREVIEWED BY JEANNE HOMSEY C47410 <br /> RILLER F N 'RAMIREZ METHOD HOLLOW STEM AUGER <br /> BORE HOLE DIAMETERS pEPTH DRILLED 65 FT :DEPTH TO WATER : INITIAL 53 <br /> ----EL STATIC 5o.5 FL <br /> CASING TYPE PVC <br /> DIAMETER —2 +N SCHEDULE40 INTERVAL — o FT TO _45 FT <br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT 81ZE 0.010 " IN INTERVAL <br /> FILTER PACK TYPE TO65 ET <br /> INTERVAL - 43 FT TO _ 65 T <br /> SURFACE SEAL TYPE NEAT CEMENT OVER BENTONITE F <br /> INTERVAL 0: <br /> COMMENTS: TO 43 FT <br /> WELL DEPTH F PID SAMPLE ID LITHOLOGIC PAGE OF? <br /> DETAIL FT. PPM BLOWCOUNT LOG DESCRIPTION <br /> 0-2" ASPHALT <br /> i <br /> 2 <br /> SM 2"-6.5/10.0' SILTY SAND (SM): 60% FINE, POORLY GRADED SAND; 40% FINES, <br /> 4 MODERATE YELLOW BROWN, NO PRODUCT ODOR, DRY-MOIST, <br /> WEAK CEMENTATION, HOMOGENOUS <br /> 3 3 <br /> 6 4 <br /> 5 <br /> 8 I <br /> 6.5/10.0-11.0' POORLY GRADED SAND (SP): >95% F+NE-MEDIUM, POORLY GRADED <br /> 10 6SP SAND; <SX FINES, MODERATE YELLOW BROWN. NO PRODUCT ODOR, <br /> 2 DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 7 <br /> 8 <br /> 12 CL 11.0-11.5/15.0' LEAN CLAY WITH SAND (CL): <15% FINE, POORLY GRADED SAND; <br /> >85% FINES, MEDIUM-HIGH DRY STRENGTH, NO DILATANCY, MEDIUM <br /> TOUGHNESS, MEDIUM PLASTICITY, MODERATE YELLOW BROWN, NO <br /> PRODUCT ODOR, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 14 <br /> - 1 <br /> DP-MW1-15.5' <br /> 9 11:5/15:0-30.5' POORLY GRADED SAND (SP): >95% FINE-MEDIUM, POORLY GRADED <br /> 16 144012 <br /> SAND; <5% FINES, MODERATE YELLOW BROWN TO PALE YELLOW <br /> BROWN, STRONG PRODUCT ODOR, DRY, WEAK CEMENTATION, HOMOGENOUS <br /> —1113- <br /> 20 <br /> 820 DP—MW1=20.5' <br /> 3132 1'3 <br /> '15 <br /> 20 <br /> 22 <br /> SP <br /> /-24— <br /> 't3 SLIGHT TO_MODERATE PRODUCT ODOR AT 25.0-26.5' i <br /> 26 10 13 <br /> .16 <br /> 28 <br /> i <br /> 30 +ig.. <br /> .123 <br /> 14 30 30.5-36:5/40.0' LEAN CLAY (CL): <15% FINE, POORLY GRADED SAND; >85% FINES, <br /> 32 MEDIUM-HIGH DRY STRENGTH, NO DILATANCY,.MEDIUM TOUGHNESS, <br /> MEDIUM PLASTICITY, MODERATE BROWN, SLIGHT-MODERATE PRODUCT <br /> ODOR, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 34 CL <br /> �16 <br /> 36 820 <br /> '30 <br /> 38 <br /> I <br /> MH <br /> 40 <br /> } <br />