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SOIL BORING LOG <br /> PROJECT NAME Agricultural Commissioners OfficeLOG OF BORING SB-4 <br /> SITE ADDRESS 392 South Moffat Boulevard TOTAL DEPTH (ft) 44 <br /> ' Manteca California BORING DIAM in 3 <br /> DATE STARTED July 12, 1999 DRILLER/COMPANY Flint Herman <br /> DATE COMPLETED July 12, 1999 Fisch Environmental C-57#683865 <br /> ' DRILLING METHOD Geoprobe Direct-Push GEOLOGISTIENGI NEER Joseph Ramage, R G #5856 <br /> Continuous Core Rama92 Environmental <br /> O <br /> m a) <br /> a> <br /> u_ <br /> iv E <br /> CL <br /> a n U iL <br /> LU ai z DESCRIPTION p <br /> ' 0 Asphalt surface approximately 4-inches thick 0 <br /> 1 Aggregate base with gravel(probably fill), no petroleum odor 1 <br /> 2 2 <br /> g 3 <br /> a 5P SAND Poorly-graded medium sand, light brown, dry, petroleum odor a <br /> 5 50 (Appears to be fill material from LIST removal) 5 <br /> 8 6 <br /> 7 7 <br /> 8 8 <br /> 9 9 <br /> 10 10 <br /> 11 80 SW SAND Well-graded medium sand, light brown,dry petroleum odor 11 <br /> 12 12 <br /> 13 13 <br /> 14 14 <br /> 15 SB1-15 100 (grades moist, light gray,more coarse sand) 15 <br /> 16 16 <br /> 17 (grades stronger petroleum odor 17 <br /> 18 S131-18 140 SM SILTY SAND Silty fine sand gray,moist strong petroleum odor 18 <br /> 19 19 <br /> 20 Static groundwater at 21 feet 20 <br /> 21 Evidence of free petroleum product ingroundwater) 21 <br /> ' 22 SB1-22 260 CL CLAY Minor silt light purplish-gray moist,slight petroleum odor 22 <br /> 23 23 <br /> 24 24 <br /> 25 25 <br /> 26 26 <br /> 27 27 <br /> 28 28 <br /> 29 29 <br /> ' 30 SBI-30 220 SW SAND Well-graded medium-coarse sand,gray,wet, 30 <br /> 31 slight petroleum odor 91 <br /> 32 32 <br /> 33 33 <br /> 34 34 <br /> 35 SB1-35 65 CL SILTY CLAY Greenish-gray,moist slight petroleum odor 35 <br /> 36 36 <br /> 37 37 <br /> 38 38 <br /> 39 39 <br /> 40 40 <br /> 41 41 <br /> ' 42 42 <br /> 43 SB1-43 33 GW SANDY GRAVEL Well-graded coarse sand,fine gravel,brownish-gray, 43 <br /> 44 wet,no petroleum odor 44 <br /> l 45 45 <br /> ' 46 Terminated soil boring at"feet 46 <br /> 47 Sealed borehole with neat cement placed through a tremie pipe 47 <br /> 48 48 <br /> 49 49 <br /> ' 50 50 <br /> Page 1 011 <br />