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Cambria Environmental Technology, Inc. BORING/WELL LOG <br /> 1 144 - 65th St. <br /> Oakland, CA 94608 <br /> Telephone: (510) 420-0700 <br /> Fax: (510)420-9170 <br /> CLIENT NAME E uiva Services LLC BORINGlWELL NAME MW-6A&B <br /> JOB/SITE NAME Ripon-341 DRILLING STARTED 28-Oct-99 <br /> LOCATION 341 Main Street Ripon, California DRILLING COMPLETED 29-Oct-99 <br /> Continued from Previous Page <br /> x CnLU Z F =^ U U <br /> E 0 a �? p LITHOLOGIC DESCRIPTION z= WELL DIAGRAM <br /> _ m0 ¢ w 0 �U5 <� OUa_ <br /> 2 O <br /> W <br /> 38.5 <br /> ° Silty SAND(SM);brown;wet; loose to medium dense <br /> s SM sand;45%silt, 53%fine grained sand,2%gravel;low 40.3 <br /> 13 -40--. plasticity; medium estimated permeability. <br /> 39.5' black or anic la er with mica. <br /> SW SAND(SW); brown;wet;loose sand; 12%silt,88% <br /> fine grained sand;no plasticity;high estimated <br /> permeability. 43.5 <br /> s ilt D(SM);brown;wet;loose to medium dense <br /> sand;2%clay, 46%silt,50%fine grained sand, 2% <br /> s 45 gravel; medium estimated permeability. <br /> Bentonite Seal <br /> SW <br /> Lonestar Sand <br /> 49.0 #2112 <br /> s SAND.(SW);brown;wet; loose to medium dense sand; <br /> a 50 5%silt, 93%coarse to fine grained sand,2%gravel;no <br /> plasticity;high estimated permeability. <br /> 4"-dam., <br /> 0.010"Slotted <br /> Schedule 40 <br /> PVC <br /> d <br /> ° Lonestar12 Sand <br /> 55 <br /> 60- <br /> 1,9 @ 60'-loose to medium dense sand. Bentonite Seal <br /> SW <br /> o s <br /> e <br /> ° <br /> 65 @ 60'-loose sand. <br /> 0 <br /> � Lonestar Sand <br /> #2112 <br /> v - <br /> a <br /> 'a <br /> r? 7D <br /> � 4"-diam., <br /> z 0.010"Slotted <br /> 0Schedule 40 <br /> s 73.0 PVC <br /> @ 73'-stiff layer. <br /> z <br /> � �e _ GnMnm of <br /> z J Boring @ 75 ft <br /> 0 <br /> a_ <br /> a <br /> C7 <br /> O <br /> J <br /> J <br /> J <br /> W <br /> PAGE 2 OF 2 <br />