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13OR I NG: Mw 1 <br /> z DATE DRILLED: 5/5/88 <br /> BORE HOLE LOG ISAMPLE INTERVAL <br /> WATER <br /> PROJECT: f EOLOC IST• SURFACE <br /> Desert Petroleum _ T. Niven ELEVATION: 49' <br /> LOCATION: 950 W. lith Street DRILLED: TOTAL DEPTH. <br /> B. Hogate 29' <br /> CASING: <br /> DRIILLIN6 CONTRACTOR: DEPTH TO ill 30' (20' slot) <br /> flo ate Ex loration Drilling Co. WATER: <br /> REMARKS: Note: The ppm readings are vapor from a Photovac <br /> 10" Hollow Stem Auger PID "TIP" calibrated with 1 ppm benzene prior <br /> o drilling eac17 day. <br /> CORE DESCRIPTION °� � REMARKS <br /> Med Brown silt with clay ML _ _ 2ppm cuttings <br /> 5 Med Brown silt with clay ML T — <br /> 4 :=' 10 1 .5ppm cuttings <br /> 15 Med brown sandy silty tr. clay ML <br /> 1 3 56% silt, 44% sand Very fine - med subangular- Soil 16 ppm <br /> angular sand low plasticity, low dry strength, water 12 ppm <br /> slow dilatancy low toughness, weak reaction to (sample in Jar) <br /> HCl . Intact Sample: wet, no odor, homogenous — <br /> 20 <br /> - — I <br /> T' 10 ppm cuttings <br /> 25 <br /> Driller Note: Gravel - fine - med grained. -- <br /> L <br /> 2.? ppm <br /> Med brown fat clay with sand -CH 80% fines, 200 <br /> 2 33 sand Very fine - med subrounded - angular sand <br /> 30 High plasticity, very high dry strength, no soil 175 ppm <br /> dilatancy, high toughness, no reaction to MCI . water 2000+ppm <br /> Intact sample: Wet, slight gasoline odor, homog, <br /> firm. <br /> * Datum is approximate location of 50' contour from USGS topo map (see figure 3) <br />