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' Advanced BORING LOG <br /> a <br /> GeoEnvironmental Inc. <br /> � BOREHOLE NO.: 136 <br /> r 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX: (209)467-1118 TOTAL DEPTH: 47 deet <br /> ' Project: Bob's Muffler Shop Drilling Co.: Enviroprobe <br /> Site Location: 466 Moffat Boulevard Rig/Auger Type: Geoprobe 5400 <br /> ' Manteca, California Logged By: Daniel W. Kalmbach <br /> Reviewed By: Calvin F Lee <br /> Project No.: AGE-NC-98-0520 <br /> Date(s) Drilled: OS January 2004 <br /> Notes: Groundwater sample screened 22'to 26'bsg 4 Water level during drilling page 1 of 2 <br /> ' Ground water sample screened 43'to 47'bsg = Water level in completed well <br /> Sample Blows PID SS 117 UUSCS Class and <br /> Depth ID (per 6") (ppm) Symbol _ Soil Description <br /> 1 <br /> 0 <br /> 1 <br /> -5 B6-5' 0 — <br /> SM: Brown,SAND with silt,damp,very fine to fine grain size,well graded,slightly <br /> plastic,no hydrocarbon(HC)odor. <br /> ' `10 86-10' 0 <br /> Sw: Tan, SAND,damp,fine to medium grain size,well graded,grams majority white <br /> � :': mineral(qtz,fldspr)sub-angular,no HC odor. <br /> 1 <br /> ' -15 B6-15' 0 <br /> 0:.:.:C SW: Tan,SAND,damp,medium grain size,well graded,grains majority white miineral <br /> (qtz, spr)sub-angular,no HC odor. <br /> ' I ML: Brown,SILT with clay,damp, low toughness and plasticity,no HC odor. <br /> ' -�L B6-20' 2 — — ML-CL: Gray-brown,SILT with intermitent CLAY lenses,damp-moist,clay is brown, <br /> -� with low toughness and plasticity,no HC odor. <br /> i <br /> I <br /> -25 <br /> 136-25, l -___; SM: Gray,SAND with silt(-10%),saturated,fine to medium grain size,well graded,no <br /> HC odor. <br /> - <br /> 30-- <br /> 0 136-30' 1 ML: Gray,SILT with clay,moist,low toughness and plasticity,no HC odor. <br />