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-- --- <br /> ACASSOCIATES INC. LOG OF WELL MW6 <br /> 1111 Lala Pdm k ul <br /> PROJECT ri OVER PROPERTY LOCATION 7675 WEST FLEVFNTH ST_ TRACY_ CA PROJECT NO. 17861.0001 <br /> '_. DATE DRILLED n3o999 LOGGED BY TOM ILITTFRMAN REVIEWED BY JFANNF HDMSEY C4741❑ <br /> DRILLING COMPANY VRrw DRII I ING INC_ DRILLER RICK METH00 <br /> BORE HOLE DIAMETER 8 IN DEPTH DRILLED 26 FT DEPTH TO WATER : INITIAL 8.5 EZ STATIC FT <br /> CASING TYPE PVC DIAMETER 2 IN SCHEDULE 4o INTERVAL _ 0 FT TO 6 FT <br /> SCREEN TYPE QVC DIAMETER 2 IN SLOT SIZE 0.020 ILL INTERVAL 6 FT TO 26 FT <br /> >=? FILTER PACK TYPE INTERVAL <br /> FT TO <br /> 5 96 FT <br /> SURFACE SEAL TYPECEMENTR T INTERVAL 0 FT TO 5 Q <br /> COMMENTS: FID BACKGROUND READINGS RANGED FROM PAGE 1 OF i <br /> WELL DEPTH PID SAMPLE ID LITHOLOGIC DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> U-2" - Asphalt <br /> 2 <br /> > 4 <br /> _ S CL 2"-11• LEAN CLAY (CL): <15X FINE, POORLY GRADED SAND; >135S FINES; <br /> It I f• I 6 3.5 8 NONE-SLOW DILATANCY, MEDIUM TOUGHNESS, MEDIUM PLASTICITY, <br /> DARK YELLOW BROWN, NO PRODUCT ODOR, NO ORGANICS, MOIST, <br /> + WEAK CEMENTATION, HOMOGENOUS <br /> CP-Mw6-10.5 <br /> j$ 3.5 g <br /> 9 -- 11-11.5/15' LEAN CLAY WITH SAND (CL): >15% FINE-MEDIUM. POORLY GRADED <br /> F ! 12 CL SAND; <85% FINES; LOW TOUGHNESS, LOW PLASTICITY, MODERATE <br /> YELLOW BROWN, NO PRODUCT ODOR. NO ORGANICS, MOIST-WET <br /> WEAK CEMENTATION. HOMOGENOUS <br /> 14 11.5/15-15.5' POORLY GRADED SAND WITH SILT (SP-SM): 90% FINE-MEDIUM, <br /> SP-SM POORLY GRADED SAND: 1071 FINES; DARK OLIVE BROWN, NO <br /> = g PRODUCT ODOR, NO ORGANICS, WET, WEAK CEMENTATION, <br /> 25 HOMOGENOUS <br /> 16— 15.5-16.5/20' WELL GRADED SAND WITH GRAVEL (SW); >55% FINE-COARSE, <br /> WELL GRADED SAND; 40% FINE-COARSE GRAVEL; 10% FINES: <br /> 1B DARK OLIVE BROWN, NO PRODUCT ODOR. NO ORGANICS, WET, <br /> WEAK CEMENTATION. HOMOGENOUS <br /> 20— g <br /> __ 3.5 a <br /> r a 22 <br /> 115. <br /> __ — •S• 22 <br /> ?I CL 16/20-26.5' LEAN CLAY (CL): <15% FINE. POORLY GRADED SAND; >85% FINES; <br /> = MEDIUM-HIGH DRY STRENGTH, NONE-SLOW DILATANCY, LOW-MEDIUM <br /> 24 TOUGHNESS, LOW-MEDIUM PLASTLCITY. MODERATE YELLOW BROWN, <br /> 'S• GP-MWS-25.5 NO PRODUCT ODOR, NO ORGANICS, MOIST, WEAK CEMENTATION, <br /> 3'5 11 HOMOGENOUS <br /> :i 15 <br /> 26 <br /> 21 <br /> F ' <br /> E � 28 <br /> 30 <br /> -- <br /> 32— <br /> _34- <br /> 38 <br /> 2 3438 <br /> 40- <br /> 42 <br /> I <br />