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Cambria Environmental Technology, Inc. BORINGMELL LOG <br /> 5900 Hollis Street, Suite <br /> Emeryville, CA 94608 ,%wl %WW <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 /> PROJECT NUMBER 165-1556-200 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Gregg Drilling,C57#485165 GROUND SURFACE ELEVATION 59.06 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION Not Surveyed <br /> BORING DIAMETER 6" SCREENED INTERVALS NA <br /> LOGGED BY R.Fennell DEPTH TO WATER(First Encountered) 25.0 fbg(16-Aug-05) <br /> REVIEWED BY B.Wilken, PG#7564 DEPTH TO WATER(Static) NA 1 <br /> REMARKS Located 21'north of MW-1 18.5'northeast of EW-1. <br /> E o~ _j w a cv V. -plastic; <br /> LITHOLOGIC DESCRIPTION = WELL DIAGRAM <br /> o OJ= o r- W� vi zi- <br /> a m� Q W o = OW <br /> <n o <br /> :6 inches thick. 0.5 <br /> •dam ravell sand. 1.0 <br /> D:Brown;loose;damp; 20%silt,80%fine <br /> high estimated permeability; mica. <br /> @ 3'-Increased silt content;25%silt,75%fine sand. <br /> SM - <br /> 4 5 <br /> 0 3 <br /> 6 <br /> 6 <br /> 71 <br /> " 8.0 <br /> 10 <br /> 10 ML Sandy SILT:Olive green;very stiff;damp;70%silt,30% <br /> fine sand;non-plastic;moderate estimated permeability-, 9.0 <br /> 19 SP : white calcium carbonate veins:easilyfractured. 9.5 <br /> 6 10 ML SAND with silt:Grayish brown;medium dense=high <br /> 7 10%silt,90%fine to medium sand;non-plastic; 10.5 <br /> 0 B-16-11 <br /> 6 estimated ermeabilit •mica. <br /> 6 SP Sandy SILT:Olive green;very stiff;damp;70%silt,30% <br /> 6 fine sand;non-plastic;moderate estimated permeability; 12.5 <br /> 6 white calcium carbonate veins;easily fractured. <br /> 11 ML SAND with silt:Grayish brown;medium dense;damp; 13.5 <br /> 11 10%silt,90%fine to medium sand;non-plastic;high <br /> ,s SM estimated ermeabili mica. 14.5 <br /> a 19 SILT with sand:Olive green;medium stiff;damp;80% <br /> F 6 15 silt,20%fine sand;non-plastic;low estimated <br /> c' 0.5 1; 8-16-'6 ermeabilit •brown s ottin mica Basil fractured. <br /> 11 Silty SAND:Olive brown;medium dense;damp;40% <br /> LL �� SID silt,60%fine sand;non-plastic;moderate estimated <br /> 0 12 ermeabilit . <br /> 12 SAND with silt:Grayish brown;medium dense;damp; <br /> 14 10%silt;90%fine to medium sand;non-plastic;high <br /> 12 estimated permeability. 19.5 <br /> a 6 @ 16'_As above: light gray;dry;fine to medium sand. <br /> C s 20 ML @ 17'-As above:fine to coarse sand. 20.5 <br /> m 55 11 B-18-21 SM 18.5'-As above: li ht brown- 4--- 21 0 <br /> 16 SILT with sand:Dark olive gray;very stiff;damp;80% <br /> 3 178 11 silt,20%fine sand;non-plastic;low estimated <br /> Z <br /> 168 24 SW permeability;easily fractured;brown spotting;hydrocarbon <br /> odor. 23.0 <br /> 169 16 SM Silty SAND:Dark olive gray;medium dense;damp; <br /> N 40%silt;60%fine sand;non-plastic;moderate estimated 24.0 <br /> N zs SP ermeabilit h drocarbon odor. <br /> z 22 25 SAND with silt:Gray;medium dense;damp; 10%silt; 25.0 <br /> a 1 90%fine to medium sand;non-plastic;high estimated <br /> 1 enyieabilitv hydrocarbon odor. <br /> 0 1 Silty SAND:Olive green;medium dense;damp;30% <br /> 1 silt;70%fine to medium sand;non-plastic; high estimated I <br /> S _ 1 ermeabilit •brownspotting:mica. I <br /> a — ISilty SAND:Olive gray;medium dense;damp; 15%silt; I <br /> C = 185%fine sand;non-plastic;high estimated permeability. I <br /> = 1@_Z4.5' GrayLmoistLl O%silt;90%fine sand_ <br /> 3 <br /> — 30 _ _ 5-foot Hydropunch drive interval from 25 to 30 ft bgs,with 30.0 <br /> Continuedex age <br /> PAGE 1 OF 2 <br />