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LO <br /> ASSOCIATES INC. LOG OF BORING 586 <br /> 1260*aWif,Modesto,Cog*MI <br /> PROJECT SUSD CORPORATION YARD LOCATION 1932 NORTH EL PINAL DRIVE, STOCKTON, CALIFORNIA PROJECT NO. 17252.0004 <br /> `ATE DRILLED 02/24/99 LOGGED BY TOM LUTTERMAN REVIEWED BY JEANNE HOMSEY C47410 <br /> "- S RILLING COMPANY MAW DRILLING DRILLER RICK BARRAGAN METHOD HOLLOW STEM AUGER <br /> * BORE HOLE DIAMETER a IN DEPTH DRILLED 31.5FT_ DEPTH TO WATER INITIAL ET STATIC FT <br /> i.- CASING TYPE NA DIAMETER IN SCHEDULE INTERVAL FT TO FT <br /> SCREEN TYPE NA DIAMETER IN SLOT SIZE IN INTERVAL FT TO FT <br /> FILTER PACK TYPE NA INTERVAL FT TO FT <br /> SURFACE SEAL TYPE NEAT CEMENT INTERVAL 0 FT TO 31.5 FT <br /> 4- COMMENTS: PAGE 1 OF__L <br /> WELL DEPTH PID SAMPLE 10 IJTHOLOGIC DESCRIPTION <br /> DETAIL FT. PPM BLOWCOUNT LOG <br /> 0-2" ASPHALT <br /> i.r <br /> 2 <br /> GP 2--6.5/10' FILL MATERIAL; PEA GRAVEL <br /> 4 <br /> e <br /> 6 3.5 11 <br /> er 15 <br /> 6.5/10-10.5' POORLY GRADED SAND (SP): 95X FINE-MEDIUM, POORLY GRADED <br /> �,. SAND; SX FINES; MODERATE YELLOW BROWN, NO PRODUCT ODOR, <br /> SP NO ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 1a <br /> 12 <br /> 4.5 1s <br /> 23 ML 10.5-11.5/15' SANDY SILT (ML): 3OX FINE-MEDIUM, POORLY GRADED SAND; 70X <br /> �.. 1 FINES; NONE-MEDIUM DRY STRENGTH, RAPID DILATANCY, LOW <br /> TOUGHNESS, NONE-LOW PLASTICITY, MODERATE YELLOW BROWN, NO <br /> PRODUCT ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION, <br /> �kI HOMOGENOUS <br /> 14 <br /> cr—sae—lsa <br /> 13 <br /> 16 4.5 1e <br /> 19 <br /> Lm _18— SP <br /> 11.5/15-21.5/25' POORLY GRADED SAND (SP): >a0X FINE-MEDIUM, POORLY GRADED <br /> SAND; <15X GRAVEL; 5X FINES; MODERATE YELLOW BROWN, NO <br /> CY-See-20.5 PRODUCT ODOR, NO ORGANICS, DRY-MOIST, WEAK CEMENTATION, <br /> Lw <br /> 20 i2 HOMOGENOUS <br /> 4.5 1 e <br /> 22 <br /> 22 <br /> Lo <br /> 24- <br /> 12 <br /> i+ 26 4 27 s SW <br /> 21.5/25-26.5/30' WELL GRADED SAND WITH GRAVEL (SW): BOX FINE-COARSE, WELL <br /> GRADED SAND; 15X GRAVEL; 5% FINES; PALE YELLOW BROWN, <br /> NO PRODUCT ODOR, NO ORGANICS, DRY, WEAK CEMENTATION, <br /> 28 HOMOGENOUS <br /> er <br /> 30 1 <br /> 4La 19 <br /> 29 <br /> 32 <br /> 5M 26.5/30-31.5' SILTY SAND SM): <85X FINE, POORLY GRADED SAND; >15X FINES; <br /> MODERATE YELLOW BROWN, NONE-SLIGHT PRODUCT ODOR, NO <br /> ORGANICS, DRY-MOIST, WEAK CEMENTATION, HOMOGENOUS <br /> 34 <br /> CY—se6-35.5 <br /> IS <br /> 36 111 <br /> 28 <br /> Lw <br /> 38 <br /> Lo 40 <br />