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MONITORING WELL LOG <br /> i <br /> PROJECT NAME San Joaquin County Motor Pool LIST Site LOG OF WELL MW-4 <br />' SITE ADDRESS 1810 E Hazelton Avenue BOREHOLE DIAM (in) 8 <br /> Stockton CaIrIb ma WELL DIAM in 2 <br /> DATE STARTED December 1 2003 DRILLERICOMPANY Rob Slagle <br /> DATE COMPLETED December 1 2003 Mitchell Drilling C-57#672617 <br />' DRILLING METHOD Hollow-stem Auger GEOLOGISVENGINEER Joseph Ramage R G #5856 <br /> SPIlt-Bpoon Sam ler Ramage Environmental <br /> m o N <br /> y � d <br />' w t1r .J .�.. <br /> MCL M ca 0 <br /> i- E j w O <br /> 04 a a 22 U2 U 0. <br /> O in a U) Z DESCRIPTION m p <br />' 0 Asphalt surface(4-Inches thick) Hand dug first deet 0 <br /> Well completed with expansion cap and 8-In diameter traffic-rated street box <br /> 5 T 00 ML CLAYEY SILT Medium belga-brown dry stiff no petroleum odor 5 <br />' 10 is 00 CL SILTY CLAY Medium beige-brown dry very stiff no petroleum odor 10 <br /> ,a <br /> 15 u 00 ML CLAYEY SILT Light orange-brown dry very stiff no petroleum odor 15 <br /> x, <br /> 20 32' 00 CL SILTY CLAY Light beige-brown dry hard no petroleum odor 20 <br /> s <br /> 25 'p° 00 (grades light Ian-brown sightly moist) 25 <br /> a <br /> 30 m 00 ML SILT Some day light reddish-brown dry very stdf no petroleum odor 30 <br /> 35 00 ML SANDY SILT Fine sandy silt fight orange-brown dry very stiff 35 <br /> no petroleum odor <br /> 40 e 00 40 <br /> 35 <br /> 45 00 MW445 CL SILTY CLAY Light beige-brown moist very stili no petroleum odor 45 <br />' a <br /> Staff-grauridwater at 49 05 feet bgs on 1211173 <br />' S0 ; 00 ML SANDY SILT Fine sandy sin light beige-brown wet very stiff 50 <br /> no petroleum odor <br /> 55 e 0 0 MW4-55 CL CLAY Medium broom dry hard no petroleum odor 55 <br /> Terminated boring at 55 feel Installed 2-inch diameter pvc monitoring well <br />' Well Sween(0 020-In slot)33 55 feet #3 Sand 33.55 feet Surged and purged well <br /> H)dirated bentonite chips 30-33 feet Neat cement X30 feet <br />