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QqEEDD <br />LOG OF BORING MW -5B <br />E"vi ro n m oe n to ! <br />(Page 3 of 3) <br />Huntbrook Holdings LLC <br />Date Started/Completed 4-28-15/4-29-15 <br />Drill Rig : <br />CME -75 LAR <br />3138 East Main Street <br />Hole Diameter <br />:8.25 -in. <br />Logged By : <br />M. Berrington, PG #7124 <br />Stockton, CA <br />Drilling Method : Hollow stem auger <br />Sampling Method : 2.25-in.x18-in. split spoon <br />Survey By <br />Northing/Easting Coord: <br />Morrow Surveying <br />2170894.9/6347093.2 <br />Installation of MW -5, MW -56 and MW -613. <br />and Soil Borings RDM-3 thru RDM-5 <br />Drilling Company/Driller: All Well Abandon./J. Ceja <br />Casing Elev. : <br />27.65 <br />Sample Interval <br />Sampler Type <br />Lab Sample <br />SS Split Spoon <br />0 Int. Sampled <br />ST Shelby Tube <br />m <br />® Lost <br />PS Piston Sampler <br />Well: <br />MW-5 <br />B <br />La) <br />U <br />S <br />Surf. <br />= <br />AL Clear Acetate <br />Q <br />0 <br />Elev. <br />a <br />0 <br />28.14 <br />? � <br />DESCRIPTION <br />9 <br />Lab No. <br />m <br />cn <br />80---52 <br />SILTY CLAY: 60% clay, 30% silt, <br />WELL CONSTRUCTION <br />5% fine-grained sand, 5% coarse, <br />Date Compl. <br />: 4-29-15 <br />subangular gravel to 1 in. dia.; <br />Hole Diameter <br />Drill. Method <br />:8.25 in. <br />: HSA <br />yellowish brown (10YR/5/4), low to <br />medium plasticity, hard, wet <br />WELL CASING <br />Material <br />: Sch. 40 PVC <br />85---57 <br />strong brown and olive brown <br />0 <br />Diameter <br />:2 -in. <br />(2.5Y/4/3), medium plasticity, moist <br />Joints <br />: flush -thread <br />WELL SCREEN <br />Material <br />: Sch. 40 PVC <br />Diameter <br />:2 -in. <br />Joints <br />: flush -thread <br />Slot Spacing <br />: 0.010 -in. <br />90 <br />-62 <br />strong brown and olive gray <br />0 <br />(5Y/5/2), low plasticity, moist <br />SAND PACK <br />: No. 2/12 Sand <br />CL <br />TRANSITION <br />: Cetco 3/8 -in. Coated <br />Bentonite Tablets <br />ANULAR SEAL <br />: Neat Cement <br />SURFACE <br />:8 -in. dia. <br />95 <br />0 <br />COMPLETION <br />steel well box <br />67 <br />Notes: <br />97 <br />San Joaquin Co <br />EHD Permit #71862 <br />City of Stockton Encroachment Permit <br />100 <br />-72 <br />0 <br />100 <br />#77629 <br />First encountered groundwater at approx. <br />102 <br />50 to 55 ft. bgs. <br />POORLY GRADED SAND WITH <br />Depth to groundwater 50.52 ft. btc. on <br />105 <br />P -S j SILT: 55% fine to medium grained, <br />0 <br />6/1/15 <br />77 <br />subangular to subrounded sand, <br />CL 35% silt, 10% clay; medium dense, <br />satu rated <br />107 <br />SILTY CLAY: strong brown <br />(7.5YR/4/6), low plasticity, hard, <br />dry to moist <br />110 <br />-82 <br />115---87 <br />120 <br />