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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-52B <br /> Tel: (714) 662-2759 • Fax: (714) 662-2758 TOTAL DEPTH: 42 Feet <br /> PROJECT INFORMATION DRILLING INFORMATION <br /> PROJECT: Nestle Ripon DRILLING CO.: Gregg Drilling <br /> SITE LOCATION:Stockton Ave. DRILLER: Sean,Ronnie, Louis <br /> JOB NO.: 2-5-1 RIG TYPE: D-12 Auger Rig <br /> FIELD GEOLOGIST:Joey Pace METHOD OF DRILLING: Hollow Stem Auger <br /> PROJECT MANAGER: Binayak Archaya SAMPLING METHODS: Split spoon/ Simulprobe <br /> DATES DRILLED: 12/16/09 - 12/17/09 BOREHOLE DIAMETER: 8" <br /> Water Table Encountered During Drilling = Static Water Level Measured From Surface <br /> 0 <br /> = <br /> z <br /> -a U oW �w U) SOIL DESCRIPTION v Comments w't _ g <br /> QO <br /> W L <br /> O o <br /> U J m I I <br /> U <br /> 0Pemco 10"flush mount traffic rated well <br /> Approximately 4"of native soil and grass vault. <br /> at the surface. <br /> Q.Q. <br /> D <br /> Hand augered to 5'to clear for utilities. Q. <br /> Q. D <br /> 5 SM D <br /> Unable to log from cuttings. Q. <br /> Q. D <br /> Q. <br /> Q. <br /> D <br /> D <br /> D <br /> 10 <br /> Q. <br /> Sitly sand,fine to medium sands. Logged from cuttings. <br /> Q. <br /> Q. D <br /> SM <br /> Q. D <br /> Q. <br /> D <br /> 15 <br /> Silty sand,moist,<5%fines. Logged from cuttings. <br /> Q. 1 <br /> SM <br /> (18-20')hydrated bentonite seal <br /> 20 Logged from cuttings. <br /> Silty sand with gravel,fine to coarse- gg <br /> grained sub-angular sands and fine <br /> Page 1 of 2 <br />