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DRILL RIG CME 75 SURFACE ELEVATION NA LOGGED BY Rafael Gallardo <br /> DRILLING COMPANY Bay Area Exploration <br /> DEPTH TO GROUNDWATER 29 314 fett BORING DIAMETER 6" DATE DRILLED 03/23/99 <br /> LOG DESCRIPTION AND CLASSIFICATION <br /> DESCRIPTION AND REMARKS <br /> fW2AT2ERff' WELL BORING SAMPLE SAMPLE <br /> OUNTS NUMBER DE TH <br /> 00-6"' <br /> Treated Baserock �- <br /> 6" -8' 2 <br />' Dark Brown Silty Sand,Medium Dense,Moist,w/petroleum SM 3 <br /> odor from surface to approximately 2 feet Color change to <br /> Brown at approximately 2 feet 4 3 <br /> ' 5 7 B-4-1 41/2-5 <br /> 6 <br /> 1 7 <br /> 8' -12 ' SP �j 9 3 <br /> Light Greyish-Brown Sand,Medium Dense,Moist,w/mica G 10 -- <br /> O 5 B-4-2 9 112 -10 <br /> and coarser sand at approximately S feet <br /> 11 <br /> ' <br /> 12'-29 1/2' — 12 <br /> Greyish-Brown Clayey Sand,Medium Dense,Moist,with SC 13 <br /> approximately 15%clay and containing Blebs of viscous U14 10 <br /> Asphalt within the soil to a depth of approximately 23 112 feet 15 14 B-4-3 141/2-15 <br /> � 16 <br /> z 17 <br /> 18 <br /> 19 a <br /> 14 <br /> z0 21 B44 191/2-20 <br /> ' zl <br /> 22 <br /> 291/2' -30' 23 <br /> Grey Silty Clay,Stiff to very stiff,Moist,The sampling shoe O <br /> was wet at approximately 30 feet. el 24 27 <br /> ka <br /> er 25 41 114-5 241/2-25 <br /> our <br /> 26 <br /> CL 27 <br /> ' Inih <br /> 291/2-30 <br /> 1 28 <br /> H2O <br /> (Continues on next page) 29 17 <br /> 12GALLA "O& ASSOCIATE EXPLORATORY BORING LOG <br /> ' ENVIRONMENTAL & GEOLOGICAL SERVICES Protect Name: <br /> WESTERN OIL&SPREADING <br /> 17 Kensington Court, Windsor, CA 95492 <br /> 07) 838-2323 <br /> ' (707)83&2323 FAX 024.98 03/23/ B-4 y <br /> PROJECT NUMBER DATE] ;�� <br />