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Cambria Environmental Technology, Inc. BORING/WELL LOG <br /> 1144 - 65th St. <br /> is Oakland, CA 94608 <br /> Telephone: (510) 420-0700 <br /> Fax: (510) 420-9170 <br /> CLIENT NAME E uiva Services LLC BORING/WELL NAME MW-5A8B <br /> JOB/SITE NAME Ripon-341 DRILLING STARTED 26-Oct-99 <br /> LOCATION 341 Main Street Ripon,California DRILLING COMPLETED 27-Oct-99 <br /> Continued from Previous Page <br /> N <br /> ch <br /> E 0 Z Q w a. U a o LITHOLOGIC DESCRIPTION = WELL DIAGRAM <br /> � a F- z <br /> a ca ¢ W UW <br /> ilt A D(SM);brown;wet;loose dense sand;40% <br /> s silt,60%fine to medium grained sand;medium estimated <br /> 40 ermeabilit . Bentonite Seal <br /> SAND(SW);brown;wet;loose to medium dense sand; <br /> SW 5%silt,95%medium to coarse grained sand;no plasticity; <br /> high estimated permeability. <br /> Lonestar Sand <br /> #2/12 <br /> s 0 44'-dark qray. 44.6 <br /> „ 45 Silty SAND(SM);brown;wet;loose to medium dense <br /> sand;40%silt,60%coarse grained sand; low plasticity; <br /> SM medium to low estimated permeability. 4"-diam., <br /> 0.010"Slotted <br /> 47 fine sand. <br /> Schedule 40 <br /> 49.0 PVC <br /> SW SAND(SW);brown;wet;loose sand; 10%silt,90% 49.7 Lonestar Sand <br /> a 50 medium to tine grained sand;no plasticity;high estimated #2/12 <br /> ermeabilit . <br /> ML SILT(ML);brown;wet;medium stiff to stiff; 10%clay, <br /> 90%silt;low plasticity; medium to low estimated <br /> permeability. 53.0 <br /> SAND(SW);brown;wet;loose to medium dense sand; 54.3 <br /> e SW 15%silt,85%coarse to fine grained sand;no plasticity; <br /> ,0 <br /> 55--ML hi h estimated ermeabilit 55.3 <br /> SILT(ML);brown;wet;medium stiff to stiff; 10%clay, <br /> SM 90°/silt;low plasticity; medium to low estimated <br /> ermeabilit 57.0 <br /> Silty 9AND(SM);brown;wet;loose to medium dense <br /> sand;35%silt,65%medium to fine grained sand;medium <br /> lastici medium to low estimated ermeabilit Bentonite Seal <br /> s SAN (SW);brown;wet;loose sand; 5%silt, 95% <br /> e 60 medium to fine grained sand;no plasticity;high estimated <br /> permeability, <br /> 4�605-98%sand,2%gravel;coarsen downward; <br /> gravel 0.25"subround. <br /> 64'-loose to medium dense sand. <br /> " 65 0 64.7'- 10%silt,90%coarse to fine sand. <br /> a ,5 <br /> @ 65'-5%silt, 95%medium to fine grained sand. <br /> SW <br /> J <br /> LL <br /> Lonestar Sand <br /> LU <br /> #2/12 <br /> 6 <br /> 70 <br /> 0 <br /> a <br /> 4"-diam., <br /> 0.010°Slotted <br /> z ' Q 74'- 10%silt,90%medium to fine grained sand. Schedule 40 <br /> c7 <br /> 10 <br /> 'A �~ 76.0 �a. "........ ., <br /> Boring 75 tt <br /> z <br /> 0 <br /> x <br /> CL <br /> c� <br /> 0 <br /> J <br /> J <br /> J <br /> PAGE 2 OF 2 <br />