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SE
<br /> CSR
<br /> InttrnationalIncorporated
<br />'
<br /> =L09910dDate Drilled: Drilling Contractor Project Name: MethodtEquipment: Well Number:
<br /> TOSCO 1205
<br /> 11/5102 CASCADE LATHROP,CA HOLLOW STEM AUGER MW-10
<br />' See"Legend to Logs"for Boring Surface Groundwater Depth(ft.): Total Drive Drop
<br /> sampling method, Diam.(m): Elev.(ft.): 15 FIRST Depth(ft.): wt.(Ibs.): Dist.(in.):
<br /> classifications and laboratory
<br /> testing methods 8" 15.31(TOC) 12.7 STATIC 25.0 140 30
<br /> Well o
<br /> Construction Description� � � �
<br /> CEMENT
<br /> GROUT
<br /> SILTY SAND(SM),reddish brown(5YR 413),dry,sand 90%fine 10%
<br /> BENTONM medium grained,no petroleum odor,(0,60,40,0).
<br /> 5 9 0
<br /> #3 SAND 49 Same as above,(0,75,25,0).
<br /> 2"DIA.
<br /> 0.020
<br /> SLOTTED
<br /> `:: SCREEN 10 SAD{SP ,light brownish gray(IOYR 6C),poorly grad
<br /> ed,dry,very dense, 0
<br />' 32 sand 30%fine 70%medium grained,iron oxide staining, (0,95,5,0).
<br /> 50
<br /> 15 15 0
<br />' 50 CLAYEY SILT(ML),grayish brown(lOYR SC2),moist to wet,hard,slow
<br /> dilatancy,low palsticity,no petroleum odor,(0,15,55,30).
<br />' SAND(SW),brown(7.5YR 412),well graded,dense,saturated, sand 30%
<br /> • fine 40%medium 30%course grained,subangluar to subrounded,no
<br /> petroluem odor(0,75,25,0).
<br />' 20 8
<br /> 19 CLAYEY SILT(
<br /> (ML),brown(7.5YR4/2),wet,hard,slaw dilatancy,low
<br /> 23 palsticity,no petroleum odor,(0,10,60,30).
<br /> THREADED
<br /> END CAP
<br /> As above,satuarated.
<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 /> iProject No. 77TO.43870.00.0222 Date 1/24/03 CH Log Of Well
<br />' 1205.GP7 Approved by
<br /> LOG OF BOREHOLE
<br /> Figure (sheet 1 of 2)
<br />
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