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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 NFWE BORING DIAMETER 6" DATE DRILLED 03124199 <br /> LOG DESCRIPTION AND CLASSIFICATION <br />' DESCRIPTION AND REMARKS WATER SOIL WELL BORING SAMPLE SAMPLE LEVEL TvPF, DEPTH COUNTS NUMBF'R DEPTH <br /> 0-9 314' 1 <br /> Brown Silty Sand,Medium Dense,Moist,w/no petroleum SM <br /> odor Medium grained sand Baserock in upper 4 inches 2 <br /> 3 � <br /> 4 <br /> Wet zonae from approximately 5 112 feet to 5 314 feet. 5 B-1-1 4 12-5 <br /> Consolidated soil(Hard Pan)from approximately 5 314 to <br /> 71/4 ,.., <br /> 7 � <br /> 8 <br /> a <br /> H 9 <br /> 93/4'- 12114' a <br /> Grey-Brown Sand,Medium Dense,Moist,Coarse sand grains SP C7 11 B-1-2 101/2-11 <br /> 12 petroleum odor detected. <br /> r-a <br /> 12114' - 17112' � 13 � <br /> Brown Silty Sand,Medium Dense,Moist,with iron oxide SM W a, <br />' staining @ approximately 13 114 feet Petroleum odor and V 14 <br /> viscous asphalt blebs commencing at approximately 14 feet 15 <br /> .a B-1-3 15-15 112 <br /> 16 <br /> Z 17 <br /> Brown Clayey Sand,Medium Dense,Moist,wlviscous asphalt Sc 18 04 <br /> ' blebs and iron staining throughout layer Petroleum odor 19 <br /> Banded yellow-brown Layer of clayey sand from2D B-1-4 19112-20 <br /> approximately 20 to 21 feet. <br /> 21 <br /> 28'- <br /> Da B <br /> Dark Brown Silty Sand,Medium Dense,Moist,wlstrong 23 9 <br /> petroleum odor 24 <br /> SM B-1-s 241/2-25 <br /> 25 <br /> 26 <br /> 27 <br /> 28 <br /> (Continues on next page) 29 B-1-6 1 29112-30 <br /> ' EXPLORATORY BORING LOG <br /> GALLARDO Bic ASSOCIATE <br /> Project Name. $ <br /> ENVIRONMENTAL & GEOLOGICAL SERVICES WESTERN ou. SPREADING <br /> 17 Kensington Court, Windsor, CA 95492 <br /> ' 07) 838-2323 <br /> (707)838-2323 FAX 024.98 03/24/99 B-1 <br /> PROJECT NUMBER DATE `` <br /> � �]� <br />