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SECOR
<br /> &W-a lo„a!Ln rated
<br />' Logged By: Date Drilled: Drilling Contractor Project Name: Method(Equipment; Well Number:
<br /> TOSCO 1205
<br /> TP 11/6/02 CASCADE LATHROP,CA HOLLOW STEM AUGER MW-15
<br />' See"Legend to Logs"for Boring Surface Groundwater Depth(ft.): Total Drive Drop
<br /> sampling method, Diam.(in.): Elev.(ft.): 15 FIRST Depth(ft.): wt.(Ibs.): Dist.(in.):
<br /> classifications and laboratory 8" 14.76(TOC) i2.8 STATIC 25.0 140 30
<br /> testin methods
<br /> Well 'D
<br /> x Description
<br /> Construction a 1? 3
<br /> CEMENT
<br /> GROUT
<br /> SILTY SAND
<br /> r 0x, 0)70,30 .5YR 4/2),dry,sand 80%fine 20%medium,
<br /> BENTO petroleum odor,
<br /> 5 12 As above,medium dense. 0
<br /> 1 7
<br /> � #3 SAND 14
<br />' 2"DIA.
<br /> 0.020
<br /> SLOTTED
<br /> SCREEN 10 12 As above. 0
<br />'• 11
<br /> 5 SAND (SP),grayish brown(10YR 5l2),dry,poorly graded,medium dense,
<br /> sand 30%fine and 70%medium grained,no petroleum odor,(0,95,5,0).
<br /> 15 16 As above. 0
<br />' 16 CLAYEY SILT(ML),brown(7.5YR4/2),wet,hard,slow dilatancy,low
<br /> 16 plasticity,no petroleum odor,(0,10,55,35).
<br /> 1
<br />' 20 11 SILT w/clay(ML),brown(7.5YR4/2),saturated,very stiff,rapid dilatancy, 0
<br /> 15 non-plastic,no petroleum odor,(0,10,75,15).
<br /> 15
<br />' ""THREADED SAND(SW),brown(7.5YR 4/3),well graded,loose,saturated,sand 35%
<br /> END CAP :• fine 45%medium 20%course grained,no petroluem odor(0,90,10,0).
<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 /> SProject No. 77TO.43870.00.0222 Date 1124103 CH Log of Well
<br />' 1205.GP] Approved by
<br /> LOG OF BOREHOLE
<br /> Figure (sheet 1 of 2)
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