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Cambria Environmental Technology, Inc. -- BORING/WELL LOG <br /> 5900 Hollis Street, Suite <br /> Emeryville, CA 94608 *1„✓ %Wool <br /> Telephone: 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Olympian JV BORING/WELL NAME B-18 <br /> JOB/SITE NAME Jimco Truck Plaza DRILLING STARTED 16-Aug-05 <br /> LOCATION 1022 Frontage Road, Ripon,CA DRILLING COMPLETED 16-Aug-05 <br /> Continued from Previous Page <br /> D U rn <br /> InLU z <br /> a O a a U ° O LITHOLOGIC DESCRIPTION F—2 WELL DIAGRAM <br /> m0 M X w� ui z <br /> U w = (D 00- <br /> 0- Q <br /> 1 z5 a 3-foot sample interval from 27 to 30 ft tys. -- _—J Portland Type <br /> 23 Silty SAND: Brownish gray;medium dense;wet; 15% I/II <br /> 3 silt;85%fine to medium sand;non-plastic; high estimated <br /> 0.5 5 permeability; mica. <br /> SM <br /> 9 <br /> eJ. @33'-Brown;25%silt,75%fine sand. <br /> 34.5 <br /> 6 Clayey SILT:Brown;medium stiff;moist;25%clay, <br /> 1 2 35 ML 70%silt,5%fine sand; moderate plasticity;low estimated ]35.5 <br /> 1 s <br /> B-18-36 .111 ermeabilit : blackspotting;mica. <br /> e Silty SAND: Brown;medium dense;wet;40%silt;60% <br /> SM fine sand;non-plastic;moderate estimated permeability; <br /> 9 white silt nodules. <br /> „ @ <br /> 37'-20%silt, 80%fine sand;high estimated <br /> 14 permeability;mica. 39.0 <br /> 1` SILT with sand:Olive brown;very stiff;damp;75%silt, <br /> zz ML 25%fine sand;low plasticity;moderate estimated 40.0 <br /> s 40 — � p y� i- <br /> 9 permeability brown spotting`mica.---------J <br /> 3 5-foot Hydropunch drive interval from 40 to 45 ft bgs,with <br /> 3 a 1-foot sample interval from 44 to 45 ft bgs. <br /> 11 <br /> 12 <br /> 5 <br /> 2 <br /> 1 — 45 — — ——————— --- 45.0 <br /> SAND with silt:Brown;very loose,wet; 10%silt;90% <br /> 0.5 j 8-16.46 fine sand;non-plastic; high estimated permeability;mica. <br /> 7 SP <br /> 1s <br /> 20 48.0 <br /> 24 Sandy SILT: Olive brown;hard;moist;70%silt,30% <br /> zfi ML fine sand;non- lastic@ low estimated permeability;mica. 49.0 <br /> 35 <br /> 40 SM Silty SAND:Olive green;dense;wet;30%silt;70%fine <br /> o e 50 sand;non-plastic;moderate estimated permeability;black 50.0 <br /> and browns ottin mica. <br /> ~ 0.5 13 B-18-51 ML <br /> D „ Sandy SILT:Mottled gray and black; very stiff;damp; 51.5 <br /> w e 70%silt,30%fine sand;non-plastic;low estimated <br /> 0 11 SP ermeabilit . <br /> a 13 SAND with silt:Brown;damp;loose;10%silt,90%fine 52.8 <br /> �? 18 sand;non-plastic;high estimated permeability;mica. <br /> 20 SM 2.5'-5%silt 95%medium sand. <br /> 22 Silty Sand: Olive brown;very stiff;moist;40%silt,60% <br /> C6 27is 55__nfine sand;non-plastic;moderate estimated permeability; 55.0 <br /> CT zs 5 foot Hydropunch drive interval from 55 to 60 ft bgs,with <br /> Fz a 1 -foot sample interval from 59 to 60 ft bgs. <br /> z <br /> 19 <br /> a <br /> m s <br /> 16 <br /> N 17 <br /> a 21 — 60 60.0 Bottom of <br /> Boring @ 60 <br /> o fbg <br /> 0 <br /> a_ <br /> 0 <br /> 0 <br /> J <br /> J <br /> J <br /> W <br /> 3 <br /> PAGE 2OF2 <br />