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ENVIRONMENTAL COST MANAGEMENT, INC. FIELD BOREHOLE LOG <br /> Managing Cost and Liability <br /> 3525 Hyland Ave, Suite 2000 Costa Mesa, CA 92626 BOREHOLE NO.: M-54C <br /> Tel: (714) 662-2759 • Fax: (714) 662-2758 TOTAL DEPTH: 185 Feet <br /> PROJECT INFORMATION DRILLING INFORMATION <br /> PROJECT: Nestle Ripon DRILLING CO.: Boart Longyear <br /> SITE LOCATION:223 5th St. DRILLER: John Gray <br /> JOB NO.: 2-5-1 RIG TYPE: Rotary Sonic <br /> FIELD GEOLOGIST:Joseph Plummer METHOD OF DRILLING: Rotary Sonic <br /> PROJECT MANAGER: Binayak Archaya SAMPLING METHODS: 6" core barrel(continuous core) <br /> DATES DRILLED: 12/7/09-12/9/09 BOREHOLE DIAMETER: 7" <br /> Water Table Encountered During Drilling s Static Water Level Measured From Surface <br /> � � c <br /> 0 <br /> = v -.1w OJ SOIL DESCRIPTION <br /> 1Comments w L <br /> w > Q ~ _ <br /> 0 v CO J U <br /> 0Pemco 10"flush mount traffic rated well <br /> Approximately 4"of asphalt at the surface. vault. <br /> Sand,brown 7.5 YR 5/3,loose,moist,fine to medium Approximately 4"of asphalt at the <br /> grained subrounded sand. <br /> surface. <br /> 5 sw Hand augered to 6'to clear for utilities. <br /> 10 Silt,dark reddish gray 5 YR 4/2,soft to medium stiff, <br /> moist. <br /> ML <br /> 15 <br /> Sand,yellowish red 5 YR 4/6,loose,moist,fine to <br /> medium grained subrounded sand. <br /> 20- sw <br /> 4 <br /> DTW measured from TOC. <br /> 25 Silty sand,strong brown 7.5 YR 4/6,soft, moist. <br /> sM <br /> sp Sand,strong brown 7.5 YR 4/6,loose,very moist to Wet at 28.5'bgs. <br /> 30 wet,poorly graded sand. <br /> Silty sand,brown 7.5 YR 5/3,soft to medium stiff, <br /> sM moist. <br /> stop drilling at 35'bgs on 12/7/09. <br /> 35 35-55'low recovery due to saturated <br /> Silty sand,brown 7.5 YR 5/3,very soft,wet. sands. <br /> Page 1 of 5 <br />