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Monitoring Well MW-1 <br /> 1 orin9 <br /> *Location <br /> Project chevron/S. CenterChevron U.S.A. , rnc. Ori11ing Log <br /> 139 S._ Center, Stockton, CA Project Ntxnber, 203 175 3291.01 <br />' Date Drilled _2/14/91 Total Depth of Hole 50-0 ft Diameter 8.25 in. See Site Map <br /> Surface Elevation Water Level Initiales.o ft. 24-hour _44.67 ft. For Boring LoCation <br /> Screen Dia 2.0 in. Length 25.0 ft. Slot Size' 0.020 in. NOTES: <br /> Casing Dia 2.0 in. Length 35.0 ft. Type 5CH 40 PVC <br /> Filter Pack Material X2112 La is Lustre <br /> Drilling Company Sierra Pacific Drilling Method ibllow_Stem Auger <br />' Driller -thnny Ar uello Loft by Fred Na yden <br /> Geologist/Engineer Allen S. Storm License No 1G 4394 <br /> c +J Un <br /> G <br /> 4J 0 cv <br /> a� 0) C' U ; Description <br /> o °_' n E m� (Color, Texture, Structure) <br /> o m o <br />' U 07 (n <br /> 0 Three inches ASPHALT <br /> :o ••o .:o -"-Nine inches BASE course with brick fragments <br />' ark grey silty CLAY (soft, moist, no hydrocarbon odor) <br /> 2 <br /> CH <br />' 4 <br /> Mwi-5 <br /> Light brown clayey SILT (medium stiff, dry, <br /> no hydrocarbon odor) <br />'• s ML <br /> Light brown silty CLAY with some white mottling (medium stiff. <br />' damp, no hydrocarbon odor) <br /> 10 MW1-10 <br /> 12 <br />' a <br /> 14 <br />' MW1-15 <br /> is <br /> I18 Light brown clayey SILT Gnedium stiff, damp, <br /> no hydrocarbon odor) <br /> I20C Mwi-20 <br /> 22 ML <br /> • 24 <br /> IMwi-25 <br /> L, Light olive brown clayey sandy friable SfLT (medium stiff, <br /> L 26 damp, no hydrocarbon odor) <br /> I <br /> 03✓26/091 Page 1 of 3 <br />