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PROJECT NUMBER BORING NUMBER <br /> - 110716.P4.ZZ MW-21 SHEET 1 OF 2 <br /> - SOIL BORING LOG <br /> PROJECT PG G S Stockton Phase IV, Stockton,CA LOCATION Hazelton Street <br /> ELEVATION 5.65 ft.NGVD DRILLING CONTRACTOR Sprectrum Exploration <br /> DRILLING METHOD AND EQUIPMENT _Hollow Stem Auger, 8"diameter <br /> NATER LEVELS-25.81 btoc START 3/21/96 FINISH 3/25/96 - LOWER T.Little <br /> O� SAMPLE STANDARD SOIL DESCRIPTION COMMENTS <br /> PENETRATION <br /> JV J arc RESULTS SOIL NAME,USCS GROUP SYMBOL,COLOR, <br /> a Z DEPTH OF CASING,DRILLING RAT <br /> > ax W MOISTURE CONTENT,RELATIVE DENSITY DRILLING FLUID LOSS <br /> �LL w Wm o g•_g,_g• OR CONSISTENCY,SOIL STRUCTURE, m MINERALOGY �o TESTS AND INSTRUMENTATION <br /> LU=) <br /> 04f Z ac cn_j <br /> 0-1',CONCRETE <br /> 1-2', FILL SAND <br /> 2-5.5'.CLAY <br /> 6j) 5.0 <br /> 5.5-6',CLAY- (CL), dark yellowish brown 9:42 <br /> 1.5 6-12-15 OOYR,5/4):95%low plasticity fines; 5% <br /> 6.6 (27) fine sand. stiff:damp <br /> SANDY CLAY. 4CL), dark yellowish <br /> brown (tOYR,5/4;55% fines; 45% fine <br /> sand caliche common:hard;damp <br /> 10IM0 .0 <br /> AS ABOVE:silt common: sand filled 9:48 <br /> 1.5 15-30-33 burrows; 10-11' organic (decomposed leaf <br /> 11.5 (63) material)common: hard: damp <br /> 11-15', SILTY SAND. (SM), olive (5Y, 5/4); <br /> 35-40% non plastic to low plastic fines; <br /> 60-65% fine sand; localized organics <br /> dense; damp;no odor <br /> � 15.0 1 _ <br /> 15-21', SAND (SP).olive (SY,5/4); trace <br /> 1.5 16-28-36 - 5% fines:95-100% fine to medium sand; <br /> 16 5 (64) well sorted; subrounded; dense: damp <br /> 20.0 <br /> 1.5 16-18-24 <br /> 21.5 . (42) 21-25',SAND AND SILTY SAND <br /> INT RR n ❑ Moist to wet at 21.5', appeared <br /> SILTY SAND: as at 10' water dripped from shoe <br /> SAND; as at 15' <br /> 21i.0 25.0 <br /> 25-31', CLAY. (CL), dark gray (2.5Y, 3/25/98, static water after <br /> 1.5 3-11-22 N4/0): 95% low to medium plasticity fines; boring has been open for 5 days <br /> 26.5 (33) 5% fine sand;caliche veinlets Common: <br /> very stiff to hard; damp <br /> 30.0 <br />