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<br /> JACK E.
<br /> NAPPER
<br /> WECT— * No. 3037 * PAGE_L OF
<br /> WEST—ERN 0,EO ENGINEERS BORING: MW 8
<br /> SOF CA0f DATE DRILLED: 2-8-93
<br /> BORHOLE LOG I SAMPLE INTERVAL
<br /> •WATER
<br /> PROJECT: GEOLOGIST: SURFACE
<br /> USA PETROLEUM CORP. STA. 65 V. BENNETT ELEVATION:
<br /> LOCATION: DRILLER: TOTAL DEPTH:
<br /> 2500 W. LODI AVE., LODI, CA E. FORSSTROM 60'
<br /> DRILLING CONTRACTOR: DEPTH TO CASING:
<br /> WOODWARD DRILLING CO. WATER: 55' 2..
<br /> REMARKS: 8" HOLLOW STEM AUGUR POWERED BY MOBILE DRILLING RIG, B-57
<br /> 140# DROP HAMMER FOR SAMPLING, HAND AUGURED TO 5' W1 8" AUGUR.
<br /> zp CD
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<br /> 3 o CORE DESCRPTION REMARKS
<br /> IL Y
<br /> Y_ m
<br /> CD
<br /> Concrete slab oncre e
<br /> Road Base: Aggregate base A.B.
<br /> 5' MWB- 2,3,5 0ppm wlsand 1 112' thick 3 ppm
<br /> while
<br /> d: in, well srtd,dry,no odor (SW)
<br /> Silt &Clay: gry grn, stiff, no odor,
<br /> 10' MM1we-111,13 0 PPM dry, lean (MLICL)
<br /> Sd: fn, well srid,dry,no odor (SW) .. �
<br /> Silt: med brn, dry, no odor w. vin,lean easy drilling
<br /> 15' M�1we- 9,14, 0 ppm well sorted Sd (ML wl occ SW)
<br /> Sd: med-crs, pred. qtz,loosely consol.,
<br /> 20' MW8- 713,18 2ppm prly sorted,beach-type, no odor, dry 0 ppm while
<br /> 20 (SP) drilling
<br /> Silt: med grn, mottled gry occ., wlvin S
<br /> 25' 25.t w8- 4�3Z 1tn Clay:lean, no odor, dry,medbrn (MLICL) yyyYqq
<br /> •S:o. d �
<br /> 30" Sd: vin-silt, med brn clay ,prlyl srtd
<br /> MM- 27• 6ppm dry, no odor (SP wl sme CH)
<br /> 30' 5015.
<br /> 35' Mws- 24 1ppm Sill: med brn, dry, no odor,lean,
<br /> 35' say- mottled grybrn-indurated claypan
<br /> (MLICL)
<br /> F
<br /> 40' Sas- pp"' Sd: vfn-Silt,med brn-Fe stained,dry,
<br /> no odor (SP)
<br /> 45' - 27,30, 60 ppm Sd: med, beach type, well sorted,
<br /> 45' 25 sme petroleum odor, dry, wht qtz (SW) 25 ppm while
<br /> drilling
<br /> Sd-Slit: vfn Sd, well sorted, dry, no
<br /> 60
<br /> x/50 0' 5as 3ypm odor to Fe stained-brn silt, lean
<br /> 5S (SW wl ML) 1st water
<br /> encountered @
<br /> .55' mm- 21, oppm -Sd: wet in well sorted mica prevalent 55', standing
<br /> 55 Sas" clay matrix-- reddish (SW wl sme CL) water 50' 218193
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