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AtM <br /> ASSOCIATES INC. <br /> 1117 lone Palm Ave,Sine.Q VDdesb,Caffamiu,95351 LOG OF WELL MW2 <br /> PROJECT DIESEL PERFORMANCE LOCATION 2804 EAST FREMONT STREET STOCKTON CA PROJECT N0. 62577.0001 <br /> DATE DRILLED 12/14-18/99 LOGGED-BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 <br /> DRILLING COMPANY V&w DRILLING DRILLER RYAN KU13U METHOD HOLLOW STEM AUGER' <br /> BORE HOLE DIAMETER DEPTH DRILLED 65 FT "DEPTH TO WATER INITIAL 51 FT STATIC 50.5 FT <br /> CASING TYPE PVC DIAMETER —.2 IN SCHEDULE 40 INTERVAL a FT TO 45 FT <br /> SCREEN TYPE -EYC DIAMETER 2 IN SLOT SIZE 0:010 . .iN <br /> INTERVAL TO 65. FT <br /> FILTER PACK TYPE INTERVAL 43 FT_ TO SEL <br /> SURFACE SEAL TYPE NEAT CEMENT OVER. BENTONITE INTERVAL - 0 FT TO 43 FL <br /> COMMENTS: � <br /> PAGE 1 OF <br /> WELL DEPTH PID SAMPLE ID LITHOLOGIC <br /> DETAIL FT. PPM BLOWCOUNT LOG DESCRIPTION <br /> 0-2" ASPHALT <br /> 2"-6" COBBLES WITH CLAY AND SAND <br /> 2 <br /> 4 <br /> CL 6"-6.5/10' LEAN CLAY (CL): <10% FINE, POORLY GRADED SAND; >90% FINES; <br /> NO DILATANCY, LOW—MEDIUM TOUGHNESS, MEDIUM PLASTICITY, <br /> 4 9 OLIVE BLACK TO MODERATE YELLOW BROWN, SLIGHT PRODUCT ODOR, <br /> 6 b 25 ORGANICS, MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 8 ' <br /> 10 <br /> 5 #a 1 <br /> 5 SM 6.5/10-11.5/15' SILTY SAND (SM): 70% FINE, POORLY GRADED SAND; 30% FINES; <br /> 10. SLOW DILATANCY, LOW TOUGHNESS, NO PLASTICITY, MODERATE <br /> 12 YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, DRY—MOIST, <br /> WEAK CEMENTATION, HOMOGENOUS I <br /> 14 <br /> 1a <br /> 16 4.5 12 <br /> 12 <br /> 18 <br /> SP 11.5/15-26.5/30', POORLY GRADED SAND (SP): >90% FINE, POORLY GRADED SAND; <br /> 20— <10% FINES; MODERATE TO DARK YELLOW BROWN,. NO PRODUCT <br /> 4 'k110 3 ODOR; NO ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS <br /> 15 <br /> 22 <br /> 24 p <br /> 1 <br /> -14 <br /> 26 4 ''17 <br /> 22 <br /> i <br /> 1/5 <br /> 28 <br /> 30 12 <br /> '13 Sp <br /> 4 $14 26.5/30-31.5/35' POORLY GRADED SAND (SP): >90% FINE—MEDIUM, POORLY GRADED <br /> 32 SAND; <10% FINES; DARK YELLOW BROWN; NO PRODUCT ODOR, <br /> NO ORGANICS, DRY, WEAK CEMENTATION, HOMOGENOUS <br /> 34 <br /> 12 <br /> 36 ,4.5 '13 <br /> 15 .. CL 31.5/35-36.5/40' LEAN CLAY WITH SAND (CL): 15% FINE, POORLY GRADED SAND; 85% <br /> FINES; NO DILATANCY, MEDIUM TOUGHNESS, MEDIUM PLASTICITY, <br /> DARK YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, DRY—MOIST, <br /> 38 WEAK CEMENTATION, HOMOGENOUS <br /> iS <br /> aD 1 <br /> .ti _ <br />