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QqEEDD <br />LOG OF BORING MW -1B <br />E"vi ro n m oe n to ! <br />(Page 3 of 3) <br />Huntbrook Holdings LLC <br />Date Started/Completed 6-18-2014/6-19-14 Drill Rig : CME -75 <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: 2170809.2/6346972.7 <br />Installation of MW -1 B, AS -1, SVE-1A/B, <br />and SVE-2A/B <br />Drilling Company/Driller: All Well Abandon./R. Slagle Casing Elev. : 27.83 <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: MW -1 B <br />La) <br />U <br />S <br />Surf. <br />CO <br />= <br />a <br />AL Clear Acetate <br />Q <br />a <br />0 <br />Elev. <br />0 <br />28.51 <br />? � <br />DESCRIPTION <br />Lab No. <br />m <br />cn <br />80 <br />WELL CONSTRUCTION <br />52 <br />SILTY CLAY: 60% clay, 30% silt, <br />325 <br />5% fine-grained sand, 5% coarse, <br />Date Compl. :6-19-14 <br />subangular gravel to 1 in. dia.; <br />Hole Diameter :8.25 in. <br />yellowish brown (10YR/5/4), low to <br />Drill. Method : HSA <br />medium plasticity, hard, wet <br />WELL CASING <br />Material : Sch. 40 PVC <br />85 <br />strong brown and olive brown <br />Diameter :2 -in. <br />57 <br />(2.5Y/4/3), medium plasticity, moist <br />35 <br />Joints : flush -thread <br />WELL SCREEN <br />Material : Sch. 40 PVC <br />Diameter :2 -in. <br />Joints : flush -thread <br />Slot Spacing : 0.010 -in. <br />90 <br />strong brown and olive gray <br />62 <br />(5Y/5/2), low plasticity, moist <br />38 <br />SAND PACK : No. 2/12 Sand <br />TRANSITION : Cetco 3/8 -in. Coated <br />Bentonite Tablets <br />CL <br />ANULAR SEAL : Neat Cement <br />SURFACE :8 -in. dia. <br />95 <br />COMPLETION steel well box <br />-67 <br />31 <br />Notes: <br />San Joaquin Co EHD Permit #69829 <br />First encountered groundwater at approx. <br />100 <br />100 <br />55 ft. bgs. <br />-72 <br />24 <br />Depth to groundwater 48.25 ft. btc. on <br />7/9/14 <br />103 <br />105 <br />105 <br />77 <br />POORLY GRADED SAND WITH <br />nm <br />1 <br />SILT: 55% fine to medium grained, <br />subangulary to subrounded sand, <br />3p -SN 1 <br />35% silt, 10% clay; medium dense, <br />I <br />I <br />saturated <br />110 <br />1 <br />110 <br />-82 <br />I <br />27 <br />CL SILTY CLAY: low plasticity, hard, <br />moist <br />115— <br />__87 <br />120 <br />