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Cambria Environmental Technology, Inc. BORING/WELL LOG <br /> 1144 - 65th 5t. <br /> Oakland, CA 94608 <br /> Telephone: (510) 420-0700 <br /> Fax: (510) 420-9170 <br /> CLIENT NAME E uiva Services LLC BORING/WELL NAME MW-48 <br /> JOB/SITE NAME Ripon-341 _ DRILLING STARTED 25-Oct-99 <br /> LOCATION 341 Main Street Ripon,California DRILLING COMPLETED 26-Oct-99 <br /> PROJECT NUMBER 240-0324 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER GreggDrilling GROUND SURFACE ELEVATION Not Surveyed <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION NA <br /> BORING DIAMETER 12" SCREENED INTERVAL 44 to 50 ft b s <br /> LOGGED BY B.Jakub DEPTH TO WATER(First Encountered) 35.0 ft(25-Oct-M Q <br /> REVIEWED BY O.Ratch a PE DEPTH TO WATER(Static) NA 1 <br /> REMARKS Hand au eyed to 4.5'b s• located behind station building. <br /> N <br /> E Q z ii r d 0 U a p LITHOLOGIC DESCRIPTION = WELL DIAGRAM <br /> _ m0 Q Uj <br /> X ❑� cm7J 0a <br /> w <br /> P LT 0.5 <br /> Silty SAND(SM);dark brown(10 yr3/3); 2%clay,43% <br /> SM silt,fine grained 55%sand;no plasticity; medium to high 2.5 <br /> estimatedpermeabilitrr _ <br /> SAND(SP);dark brown (10 yr313);damp;very loose to <br /> loose sand; 5%silt,95%fine to medium grained sand;no <br /> plasticity;medium to high estimated permeability. <br /> 5 SP <br /> _ _ _ _ _ _ _ _ 7.5 <br /> Silty SAND(SM);dark brown (10 yr313); damp;loose <br /> sand;20/clay, 18%silt,80%fine to medium grained <br /> sand; high estimated permeability. <br /> 10 SM <br /> _ _ _ _ _ _ _ _ _ _ _ _ 12.5 <br /> SAND(SP);yellow brown(10y 514);damp;loose sand; <br /> 15%silt,850".fine grained sand; no p!asticity; high <br /> estimated permeability. <br /> 15 SP <br /> _ _ _ _ _ _ _ _ _ _ _ _ _ 17.5 <br /> Silty SAND(SM);dark brown (10 yr3/3);damp;loose <br /> sand; 15%silt,85%fine to medium grained sand;medium <br /> to high estimated permeability. Portland Type <br /> —20- <br /> 25- <br /> 0 25 SM 0 25'-mottled yellow brown;loose to medium dense <br /> 00 sand. <br /> z <br /> Z <br /> 0 <br /> a <br /> {L <br /> 30 <br /> z <br /> �? a 9sv-canri marlinm nrsinerl with mina:!nose to medium <br /> z dense sand;moist. y _ _ _ _ _ _ _ 32.5 <br /> SAND(SW);yellow brown(10 y5/4);wet;medium <br /> dense sand; 3%silt,97%medium grained sand;no <br /> plasticity;high estimated permeability. <br /> x <br /> 35 <br /> a <br /> J <br /> J <br /> ll1 <br /> Continued Next Page PAGE 7 OF z <br />