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A■ CsSOCIATES INC. LOG OF WELL MW3 <br /> 1117 Lala Pdm k Modesto,Cailalio,95351 <br /> PROJECT STAGG HIGH SCHOOLLOCATION 1621 RROOKSIDF ROAQ- STOCKTON, CALIFORNIA PROJECT NO. . 17292.0002 <br /> DATE DRILLED O2/19401 LOGGED BY REVIEWED BY <br /> DRILLING COMPANY _YAW DRILLING INC. DRILLER RAI PH McGAHFY METHOD HOLLOW OW STEM ANGER <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED277 FT DEPTH TO WATER : INITIAL –10 FT STATIC FT <br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 40 INTERVAL FT TO 7 FT <br /> SCREEN TYPE PVC DIAMETER 2 IN SLOT SIZE 0.020 IN INTERVAL 7 FT TO 27 F <br /> FILTER PACK TYPE INTERVAL TO 27 FT <br /> SURFACE SEAL TYPE NEAT 6�MENT OVER BENTONITF INTERVAL 0 FT TO 5 FT <br /> COMMENTS: PAGE 1 OF <br /> WELL DEPTH PID SAMPLE 10 LITHOLOGIC DESCRIPTION <br /> DETAIL FT. RPM BLOWCOUNT LOG <br /> 0-2" - Asphalt <br /> 2 <br /> 4 <br /> 10 ML 2'-6.5/10' CLAYEY SILT (ML); 1D0% FINES, <br /> 6 6.5 20 LOW DRY STRENGTH; NONPLASTIC; YELLOW ORANGE; <br /> 24 NO ORGANIC CONTENT; NO CHEMICAL ODOR NOTED; MOIST; <br /> MEDIUM STIFF; HOMOGENOUS <br /> 8 <br /> 1 D Mw3-10' 17 <br /> CL <br /> 6.5 B SILTY CLAY (CL): 100% FINES, LOW DRY STRENGTH <br /> 12 6.5/10-11,5/15MEDIUM PLASTICITY; NO ORGANIC CONTENT; WET; LIGHT BROWN; <br /> 14 MEDIUM STIFF; HOMOGENOUS; NO CHEMICAL ODOR NOTED <br /> —12- <br /> -14— <br /> NO <br /> 214NO SAMPLE RETRIEVED <br /> 4 <br /> 16 9 <br /> = 18 <br /> `—_ 20 SILTY CLAY (CL); SOME FINE SAND <br /> 6.5 6 11.5/15-21.5/25' LOW DRY STRENGTH; LOW PLASTICITY; MEDIUM STIFF; <br /> 6 CL NO ORGANIC CONTENT; LIGHT BROWN/BROWN; WET; <br /> 14 NO CHEMICAL ODOR NOTED; HOMOGENOUS <br /> '— <br /> 22- <br /> -24- <br /> - <br /> — r <br /> 6.5 MW3-252 CL 21.5/25-26.5 SILTY CLAY (CL); MEDIUM DRY STRENGTH <br /> 26 3 MEDIUM STIFF; WET; LIGHT BROWN; NO ORGANIC CONTENT <br /> NO CHEMICAL ODOR NOTED; HOMOGENOUS <br /> 28 <br /> 30 <br /> 32 <br /> 34 <br /> —36- <br /> -38- <br /> 40- <br /> 42 <br /> 6384042 <br />