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i Advanced BORING LOG <br /> Q GeoEnvironmental, Inc. <br /> BOREHOLE NO MW9 <br /> J F 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX (209) 457-1118 TOTAL DEPTH 30 feet <br /> Project JTMCO TRUCK PLAZA Drilling Co West Haz Mat <br /> Site Location 22502 SOUTH HIGHWAY 99 Rig/Auger Type CME-75/8mch hollow stem <br /> RIPON, CALIFORNIA Logged By W LITTLE <br /> Reviewed By C Lee <br /> Project No AGE-NC-98-0433 <br /> Date(s) Drilled 09 May 2002 <br /> Notes completed as ground water monitoring well MW-9 s Water level during drilling Page 1 of 1 <br /> water encountered at 20 feet bsg x Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> I ID (per 6") (ppm) Symbol Sod Description Completion Description <br /> 0 Well cover cnsty box <br /> -5 MW9-5 11,11,11 U _ _ _ <br /> - SM SILTY SAND,brown,dry,20%silt,low toughness <br />' and plasticity,35% medium sand,45%fine sand,no Cement grout seal from <br /> hydrearbon(HC)odor Y to 8'bsg <br /> Bentonite seal from 8' <br /> -10— == ML SILT,,brown fines,damp,low toughness and to 9' bsg. <br /> MW9-10 21,24,21 0 medium plasticity,no HC odor <br /> -15— <br /> 1 ML SILT, brown fines,dare,low toughness and MW9-15 20 29 32 0 medium b <br /> plasticity,no HC odor sand from 9'to 30' <br /> sg <br /> - <br /> 20— SP POORLY GRADED SAND,20%fine sand, <br /> MW9-2U 15,17,21 0 70%coarse/medium sand,black/gray,damp to saturated, <br /> no HC Odor <br /> I _2 SP POORLY GRADED SAND,20%fine sand, <br /> MW9-25 3537,34 0 80%coarse/medium sand,gray,damp to saturated,strong Screened interval from <br /> HC odor 10'to 30'bsg <br />' 3 0 = - 5M SILTY S 4ND,brown,saturated,20%91t,low Cap at 30' <br /> MW9-30 15,27,24 0 - toughness andplasticrty,35% medium sand,45%fine <br /> sand,no HC odor <br /> 1 <br /> I <br />