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<br /> S ECOR
<br /> Logged By Date Drilled Drilling Contractor Project Name Method/Equipment well Number
<br /> 7-Eleven 932262 Hollow Stem
<br /> B C 6/2104 Gregg Drilling TRACY,CALIFORNIA CAL-MOD SPLIT SPOON lbw-7
<br /> Boring Surface Groundwater Depth(ft} Total Drive Drop
<br /> Diant(m) Elev(f } SZ 9 FIRST Depth(ft) wt(lbs) Dist(in)
<br /> 8 t 8 5 STABILIZED 170 140 30
<br /> � w
<br /> Well
<br /> a z
<br /> Construction Q Description A a
<br /> Traffic Rated SiA Asphalt
<br /> Well Box =Baserock
<br />' Grout FAT CLAY(CH) black(7 5YR 2 511),very stiff,moist,high
<br /> plasticity,very fine-grained sand,(0,15,0,85)
<br />' o o Bentonite SANDY LEAN CLAY(CL) dark yellowish brown(1 OYR 4/4),
<br /> 5 16 medium stiff,moist,medium plasticity,very fine-grained sand,
<br /> 040060
<br />'
<br /> 42/12 Sand SANDY SILT(ML)-dark grayish brown(2 5Y 412),moist,very stiff,
<br /> 8 medium to high plasticity,very fine-grained sand,(0,30,50,20)
<br /> SILTY SAND(SM) light olive brown(2 5Y 514),medium dense,
<br /> dam medium plastic fines very fine-grained sand 0 40 30 30
<br />' t 9 SANDY SILT(ML) dark grayish brown(2 5Y 4/2),moist,very stiff,
<br /> medium to high plasticity,very fine-grained sand,(0,30,50,20)
<br /> 2"DIA PVC l0 11 SILTY SAND(SM) light olive brown(2 5Y 5/4),medium dense, 0 MW-7
<br /> 0 020" moist, low plastic fines,fine-grained sand,(0,60,30,10) 10'
<br /> Slotted
<br /> Screen 12 SANDY SILT(ML) light olive brown(2 5Y 5/4),very stiff,moist,
<br /> high plasticity,very fine-grained sand(0,30,50,20)
<br />' 7 SANDY LEAN CLAY(CL) light olive brown(2 5Y 514),medium
<br /> stiff,moist,medium to high plasticity,(0,10,20,70)
<br /> 15 15 SILT(ML) light olive brown(2 5Y 514),medium stiff,moist, 0 MW-7
<br />' medium to high plasticity,(0,0,70,30) 15'
<br /> Threaded
<br /> End Cap
<br />' zo
<br /> I
<br />' The substrata descriptions above are generalized representations and based upon visual/manual classification of cuttings and/or
<br /> samples obtained during drilling Predominant material types shown on the log may contain different materials and the change from
<br /> one predominant material type to another could be different than indicated Descriptions on this log apply only at the specific location
<br />' at the time of drilling and may not be representative of subsurface conditions at other locations or times
<br /> . Project No 77EL 32262 03 0502 Date 6-2-04 Log of Well
<br /> EX-1 S-1,MW-7 GPJ Figure
<br /> LOG OF BOREHOLE
<br /> (sheet l of l)
<br />
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