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A■1irASSOCiATES INC <br /> 1117 We Pdm Ar,gh k bdeslo,cagy mo,96 1 LOG OF WELL MW8 <br /> PROJECT PACIFIC COAST RECREATION LOCATION 3755 MUNFORD AYENUE, STOCK_TON, CALIFORNIA PROJECT NO. 341-8393.0002 <br /> DATE DRILLED LOGGED BY JENNIFER COX REVIEWED BY JEANNE HOMSEY C47410 <br /> DRILLING COMPANY &W DRILLING _ DRILLER RALPH McQ&HEY METHOD HOLLOW STEM AUGER <br /> ' BORE HOLE DIAMETER a IN DEPTH DRILLED 101 FT DEPTH TO WATER : INITIAL — FT STATIC — FT <br /> CASING TYPE MM DIAMETER 2 IN SCHEDULE ^40 INTERVAL D FT TO as FT <br /> SCREEN TYPE PVc INTERVAL �5FT TO 1ao <br /> _ _ DIAMETER 2 IN SLOT SIZE 0.010 IN _ <br /> _ F7 <br /> ' FILTER PACK TYPE INTERVAL TO tat FT <br /> SURFACE SEAL TYPE INTERVAL 0 FT TO _83 FT <br /> COMMENTS: PAGE I OF 3 <br /> WELL DEPTH PID SAWFLE 10 LITHOLOGIC' Df5CR1P1I0H DETAIL FT. PPM BLOWCOUNT LOG <br /> 0 - 2.5` <br /> GRAVEL <br /> r <br /> '• .a 2 <br /> t 4 CL 2 3' - B 5/10' LEAN CLAY (CL) <15% FINE, POORLY GRADED SAND, >85% FINES, <br /> HIGH DRY STRENGTH, SLOW-RAPID DILATANCY, LOW-MEDIUM <br /> TOUGHNESS, LOW PLASTICITY, DARK BROWN. NO PRODUCT ODOR.10 0 a NO ORGANICS, MOIST. WEAK CEMENTATION. HOMOGENOUS <br /> B 11 <br /> 13 <br /> 5/10-11.3/15' POORLY GRADED SAND WITH SILT (SP-SMr >e5X FINE, POORLY <br /> f8 SP-5M GRADED SAND, 415K FINES, DARK BROWN NO PRODUCT ODOR. <br /> 12 17 NO ORGANICS, MOIST. WEAK CEMENTATION, HOMOGENOUS <br /> �1 t <br /> k moi. <br /> f4 <br /> 100 a4 11 5/15-f 8.5/20' SILTY SAND (SM)pOX FINE-COARSE, POORLY GRADED SAND. <br /> ti 1 a 122 <br /> 4 SM >30% FINES. MODERATE YELLOW BROWN. NO PRODUCT DOOR. NO <br /> ORGANICS, MOIST. WEAK CEMENTATION, HOMOGENOUS <br /> f" <br /> ` fB <br /> '; st <br /> r <br /> ,.'--20— <br /> as <br /> CL <br /> g 185/20-21 5/25' LEAN CLAY (CL) 410X FINE. POORLY GRADED SAND; "OX FINES, MEDIUM-HIGH DRY STRENGTH, SLOW-RAPID DILATANCY. <br /> .k 22 MEDIUM ESS, LIGHT BROWN. NO <br /> PRODUCT ODOR. NOORGANICS, DRY. WEAK CEMENTATION. <br /> HOMOGENOUS <br /> h' 24 <br /> r; <br /> .t 28 Zp SC 21 5/25-28.5/30' CLAYEY SAND (SC). >75X FINE-MEDIUM, POORLY GRADED SAND, <br /> c25X FINES, DAR BROWN. MODERATE PRODUCT ODOR, NO <br /> ORGANICS. MOIST. WEAK CEMENTATION. HOMOGENOUS <br /> 28 <br /> Y. }r <br /> _30- 7 5 1 a MH <br /> 50 <br /> 32 25 5/30-31/35' ELASTIC SILT (MHr <5X FINE. POORLY GRADED SAND. >95X <br /> FINES; MEDIUM DRY STRENGTH. SLOW DILATANCY, MEDIUM <br /> •= TOUGHNESS. LOW-MEDIUM PLASTICITY, DARK BROWN, SLIGHT <br /> s r PRODUCT ODOR. NO ORGANICS, DRY-MOIST. WEAK CEMENTATION. <br /> 34 HOMOGENOUS. CALCITE VEINS <br /> a, y <br /> b <br /> sM <br />' R - 38 S <br /> .s 31/35-36 5/40' SILTY SAND (SM)- t70X FINE. POORLY GRADED SAND; >30X <br /> FINES, DARK BROWN. SLIGHT-MODERATE PRODUCT ODOR. NO <br /> ;� ORGANICS. DRY-MOIST, WEAK CEMENTATION. HOMOGENOUS <br /> ;� 38- <br /> 40— <br />