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CONDOR EARTH
<br /> TECHNOLOGIES, INC. GEOLOGICAL L O G
<br /> Af PROJECT NO.. 1707 DATE: 10/17/01 TD: 110.0'
<br /> MW-12d SURF, COND.: Concrete ELEV: 14.99 ELEV. REF.: TOC
<br /> LOGGED BY: R. .I• Young WELL CONSTRUCTION SPECS
<br /> PROJECT: Groundwater Investigation DRILL EQUIP.: Mobile B-61 TOTAL CASING DEPTH: 130.0'
<br /> - FLUSH: X STICKUP:
<br /> CLIENT: Canepa's Car Wash HAMMER WT.IFALL: CASING DIA.: 2" TYPE: PVC
<br /> LOCATION: 6230 Pacific Avenue HAMMER TYPE: Downhole SLOT SZ.: 0.020" SAND SZ.: NIA
<br /> SCREEN INT.: 110'- 100'
<br /> DRILLER: _Gregg Drilling and Testing GW DEPTH: 2964' SAND INT.: 110'-99'
<br /> BENT. INT.: 99'-97'
<br /> C-57 NO.: 720904
<br /> HOLE DEA.: S 518" GROUT INT.: 97'-Ground surface
<br /> LU 0
<br /> 4 � � j ^ = 0 cA WELL
<br /> CL U SOIL DESCRIPTION REMARKS CONSTRUCTION
<br /> W W 4 m o o z DIAGRAM
<br /> Uj
<br /> 45
<br /> 50.0 1.5' 1 SP SILTY SAND;moderately dense,brown,
<br /> 50 moist, massive, very fine-to fine-grain sand
<br /> with silt, slightly cohesive, slightly plastic
<br /> 55.0 8 1.5' CH STIFF CLAY; sharp contact,dense clayey
<br /> 15 sand,medium-grain
<br /> 55 22
<br /> 60.0 7 1.5' CH STIFF CLAY; brown, trace calcium carbonate No odor,no PID
<br /> E 9 stringers, high plasticity, sandy, sharp contact
<br /> 60 11
<br /> to sand,medium-grain,greenish gray, fine-to
<br /> medium-grain, wet,homogeneous,some silt,
<br /> non-plastic,non-cohesive
<br /> 65.0 1.5' CH STIFF CLAY; as above,color change to
<br /> 65-1brown at 64.5', also less water,dense sand
<br /> with silt, trace coarse sand, sub-angular,well
<br /> rounded
<br /> 70.0 12 1.5' AAL ASNLL Y SILT, del_1J_x_, brown%IUl
<br /> trace,white,
<br /> 18
<br /> 70 calcium carbonate stringers,homogeneous,
<br /> 33
<br /> massive, slightly plastic, slightly cohesive,
<br /> some fine-to medium-grain sand,trace coarse
<br /> sand, fine-grain
<br /> 75.0 7 1.5' ML SANDY SILT; from 73.5'-74.5', greenish
<br /> 12 gray,non cohesive,moist,abundant mica.
<br /> 75 21
<br /> CLAYEY SILT WITH SAND; from 74.5' -
<br /> 75.0', same color, dense, moist, slightly
<br /> Iastic cohesive,trace coarse-grain sand
<br /> NOTES: For soil descriptions and notes from 45.0' to ground surface,please see MW-I];both borings are inclose proximityto each
<br /> I other, and the logs are assumed to be generally similar to this depth. Thus,MW-12d will begin at a depth of 45.0'.
<br /> PG. 1 OF 2
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