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r!MEEIPSO <br />LOG OF BORING MW -11 <br />Environmqental <br />(Page 1 of 2) <br />Huntbrook Holdings LLC <br />Date Started/Completed 11/12/19 Drill Rig : CME -85 <br />3138 East Main Street <br />Hole Diameter :8.25 -in. Logged By : M. Berrington, PG #7124 <br />Stockton, CA <br />Drilling Method : Hollow stem auger Survey By : Morrow Surveying <br />Sampling Method : 2.25-in.x18-in. split spoon Northing/Easting Coord: 2171137.6/6347236.0 <br />Installation of Monitoring Wells MW -10 <br />and MW -11 <br />Drilling Company/Driller: Cascade Drilling/G.Whitley Casing Elev. : 26.50 <br />Sample Interval <br />Sampler Type <br />_ Lab Sample <br />SS Split Spoon <br />0 Int. Sampled <br />ST Shelby Tube <br />CU <br />® Lost <br />PS Piston Sampler <br />Well: <br />MWA 1 <br />Surf. <br />CJ <br />= <br />AL Clear Acetate <br />Q <br />S <br />= <br />U <br />Elev. <br />W <br />C) <br />d <br />0 <br />27.07 <br />DESCRIPTIONcn <br />Lab No. <br />m <br />0-27 <br />Asphalt (10 in. thick) over Agregate <br />WELL CONSTRUCTION <br />Baserock (2 in. thick); hand cleared <br />Date Compl. :11-12-19 <br />borehle to 5 feet bgs for utilities <br />Hole Diameter :8.25 in. <br />CL <br />_ <br />SILTY CLAY; dark brown <br />Drill. Method : HSA <br />(7.5YR/3/4), very stiff, medium <br />WELL CASING <br />plasticity, moist <br />Material : Sch. 40 PVC <br />_ _ _ _ _ <br />SILT: contains trace (5%) fine sand; <br />Diameter :2 -in. <br />strong brown (7.5YR/5/6), very <br />Joints : flush -thread <br />5-22 <br />stiff, nonplastic, moist0 <br />8 <br />WELL SCREEN <br />12 <br />Material : Sch. 40 PVC <br />13 <br />Diameter :2 -in. <br />Joints : flush -thread <br />Slot Spacing : 0.010 -in. <br />SAND PACK : No. 2/12 Sand <br />ML <br />TRANSITION : Bentonite chips <br />ANULAR SEAL : Neat Cement <br />10 <br />17 <br />0 <br />MW -11-10.5' <br />12 <br />SURFACE : 8 -in. dia. <br />13 <br />COMPLETION : steel well box <br />Notes: <br />— <br />San Joaquin Co EHD Permit <br />CLAYEY SILT/SILTY CLAY: olive <br />#WP0040283 <br />brown (2.5Y/4/4), very stiff, low to <br />15 <br />12 <br />medium plasticity, moist <br />City of Stockton Revocable Permit <br />0 <br />MW -11-15.5' <br />7 <br />No. RP19-2210 and <br />13 <br />Encroachment <br />L-CPermit <br />EP19-2211 <br />Depth to groundwater 36.11 ft. <br />btc. on 11-20-19 prior to well <br />development <br />20-7 <br />— — — — — — — — — <br />SILT: strong brown (7.5YR/5/8), <br />0 <br />5 <br />hard, nonplastic, moist <br />MW -11-20.5' <br />16 <br />23 <br />ML <br />25-2 <br />— — — — — — — — — <br />CLAYEY SILT/SILTY CLAY: olive <br />0 <br />3 <br />brown (2.5Y/4/4), hard, low <br />MW -11-25.5' <br />18 <br />L -C <br />plasticity, moist <br />25 <br />CLAYEY SILT/SILTY CLAY:olive <br />L -M <br />brown (2.5Y/4/4), very stiff to hard, <br />low plasticity, moist <br />30 <br />