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N Advanced BORING LOG GeoEnvironmental, Inc. BOREHOLE NO. : MW-3 4005 North Wilson Way, Stockton, CA 95205 (209) 467-1006 FAX: (209) 467-1118 TOTAL DEPTH : 40 ' Project: Stallworth Auto Sales Drilling Co. : Mitchell Drilling Environmental Site Location: 602 North California Street Rig/Auger Type: CME 75HT - 8" Hollow Stem Auger Stockton, California 95205 Logged By: Brian W. Millman Reviewed By: Nuel Henderson Project No. : AGE-NC-99-0682Reviewed Drilled: 24 May 2000 Notes: Groundwater encountered at 35 feet b.s.g s Water level during drilling Page 1 of 1 m Water level in completed well amlows Soil USCS Class and Well Depth S IDple g/ it (ppm) Symbol Soil Description I Completion Descript on 0 - g MW3-5 8/11/12 G SM: Brown, dry, SILTY SAND; fine sand, medium dense, 20% silt, no hydrocarbon (HC) odor. Cement grout seat From .5' te 15' bsg. -10 MW340 10/II/17 5 S 4,Mom damp, SILTY SAND; tine sand, medium douse, 20% silt, no HC odor. - 15 MW3-15 12/15/21 6 =_ ML: Brown, damp, SANDY SILT; very.stiff to Lard, 20% send, no HC odor, Bentonite seal from 15' to 18' bsg. - 20 MW3-20 8/11/15 3 —_ —_ — — ML: Brown,damp, SANDY SILT; very still, 200A — — sand, no HC odor. it -- '•'• MW3-25 10/16/19 3 SM: Light brown to tan, damp, SILTY SAND; fine ` sand, dense, 15%. silt, no HC odor. #2112 sand from 18' to - 30 — 40' bsg. MW3-30 8111/12 5 SM: Dark brown, satumted, SILTY SAND; fine sand, medium dense, no HC odor. ML: Light brown, saturated, SANDY SILT; fine sand, Screened interval from very stiff, no HC odor. 20' to 40` bsg. MW3-35 7/12/15 5 IX - 40 CLP Brown, very mist, SILTY CLAY, very still, no Cap at 40'. MW340 10/18/22 5 HC odor. - 45 SP: Dark brown, saturated, POORLY GRADED — SAND; dense, no HC odor.