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Cambria Environmental Technology, Inc <br /> 1144-65th St BORlNGIWELL LOG <br /> Oakland, CA 94608 <br /> Telephone (510)420-0700 <br /> Fax (510)420-9170 <br /> CLIENT NAME Egwva Services LLC _ BORING/WELL NAME MW-4A <br /> JOB/SITE NAME _ Rin-341 _ DRILLING STARTED 25-Oct 99 <br /> LOCATION 341 Main Street FIJ122n.Califomia DRILLING COMPLETED 27 Oct-99 <br /> Continued from Previous Page <br /> � 0 � <br /> 3� uU z x y rn z Va <br /> a a w 1L� a D LITHOLOGIC DESCRIPTION WELL DIAGRAM <br /> ~ �U < O - OW <br /> a <br /> ° <br /> I <br /> 14 <br /> 17 40 <br /> SW <br /> 7 <br /> +o <br /> ,a <br /> 45- <br /> 0 45'-fine to coarse grained sand <br /> e <br /> a <br /> 50- <br /> 548 <br /> 0548 <br /> 55 S9ndv SILT(ML),dark yellow brown,wet,loose to 553 <br /> SM medium dense sand,5%clay,50%silt,45%fine to <br /> coarse grained sand,low plasticity,medium to law <br /> estimated ermeabili _57 5 <br /> Suety SAND(SM),dark brown to yellow brown,wet, ' <br /> • loose to medium dense sand,3%clay,35%silt,62%fine <br /> ° grained sand, medium plasticity,medium to low estimated <br /> e <br /> 1260 perMeab!!, _ <br /> BdE(SW),brown,wet,loose io medium dense sand, <br /> 5%slit,95%fine to medium grained sand,no plasticity, <br /> high estimated permeability <br /> ,z 65 Bentonite Seal <br /> SW <br /> J . <br /> O <br /> a * Monterey <br /> ,s 70 Sand#2112 <br /> ®70'-fine grained sand,10%slit,90%sand <br /> 4'-diam, <br /> 0 010"Slotted <br /> e _ Schedule 40 <br /> 75 0 PVC <br /> z +a 75 ®75'-coarse to fine grained sand,3%silt,97%sand Bottom of <br /> c� <br /> P 15 2 <br />