Laserfiche WebLink
R o <br />LOG OF BORING MW -4 <br />En\filreDnmt-_ntaI <br />(Page 1 of 2) <br />Huntbrook Holdings LLC <br />Date Started/Completed 10/7/2013 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: 2170789.4/6347071.1 <br />Installation of Monitoring Wells MW -4. MW -6, <br />MW -7, MW -8, and Borings RDM-1 and CPT -1 <br />Drilling Company/Driller: All Well Abandonment/J. Ceia Casing Elev. : 28.58 <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 <br />-4 <br />La) <br />U <br />S <br />Surf. <br />= <br />AL Clear Acetate <br />Q <br />0 <br />Elev. <br />CO <br />M <br />0 <br />28.82 <br />? � <br />DESCRIPTION <br />9 <br />Lab No. <br />m <br />cn <br />o <br />�� <br />Surface _ _ _ <br />WELL CONSTRUCTION <br />28 <br />LAY: 75% clay, 20% silt, 5% fine <br />Date Compl. : 10-7-13 <br />ained sand; dark brown <br />Hole Diameter : 8.25 in. <br />][Native/Topsoil <br />.5YR/3/4), very stiff to hard, low <br />Drill. Method : HSA <br />asticity, moist <br />WELL CASING: <br />Material : Sch. 40 PVC <br />Diameter :2 -in. <br />5 <br />20 <br />Joints : flush -thread <br />23 <br />0 <br />MW -4-6' <br />0(5" <br />WELL SCREEN: <br />Material : Sch. 40 PVC <br />CL <br />Diameter :2 -in. <br />Joints : flush -thread <br />Slot Spacing : 0.010 -in. <br />SAND PACK : No. 2/12 Sand <br />10 <br />0 <br />MW -4-10.5' <br />0(5" <br />TRANSITION : Bentonite chips <br />18 <br />ANULAR SEAL: Neat Cement <br />SURFACE :8 -in. dia. <br />COMPLETION : steel well box <br />SILT: 70% silt, 25% clay, 5% fine <br />grained sand; strong brown <br />Notes: <br />15 <br />(7.5YR/5/6), nonplastic, hard, moist <br />0 <br />MW -4-15.5' <br />0(6" <br />13 <br />San Joaquin Co EHD Permit <br />#68151 <br />Depth to GW 49.00 ft. btc on <br />10/16/13 <br />20 <br />CLAYEY SILT: 70% silt, 30% clay; <br />MW -4-20.5' <br />0(6" <br />8 <br />dark yellow brown (10YR/5/6), low <br />0 <br />plasticity, hard, moist <br />ML <br />25 <br />SILT: 85% silt, 10% clay, 5% fineMW-4-25.5' <br />0(6" <br />3 <br />grained sand; yellowish red <br />0 <br />(5YR/4/6) and light yellowish brown <br />(2.5Y/6/3); nonplastic, hard, moist <br />30 <br />CLAYEY SILT: 75% silt, 20% clay, <br />MW -4-30.5' <br />0(6" <br />2 <br />5% fine grained sand; yellowish red <br />0 <br />(5YR/4/6); low plasticity, hard, <br />moist <br />35 <br />it <br />135 <br />