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' AdvancedBOR G IN LOG
<br /> GeoEnvironmental Inc.
<br /> BOREHOLE NO MW-4
<br /> 837 Shaw Road, Stockton, CA 95215
<br /> `—' 2 4 7_ TOTAL DEPTH '
<br /> { 09) 6 1006 FAX {209)467-111$ ZrJ
<br />' Project Yamada Brothers Drilling Co Mitchell Drilling
<br /> Site Location 15406 South Tracy Boulevard Rig/Auger Type CME-75HT/8"Dia Hollow Stern Augers
<br />' Stockton, California Logged By Eyrene L Fisher
<br /> Reviewed By William R Little
<br />' Project No AGE-NC-98-0452 Date(s) Drilled 15 April 2004
<br /> Notes s Water level during drilling Page 1 of 1
<br />' = Water level in completed well
<br /> Depth Sample Blows PID Soil USCS Class and Well Well
<br />' ID (per 6") (ppm) Symbol Sod Description Completion Description
<br /> 0
<br /> Cement grout sea]from
<br />' 0 5'to 1'bsg
<br /> Bentonite seal from 1'to
<br /> 3' bsg
<br /> -5 MW4-5 415110 0 SP Gray brown,damp,SAND,fine(60%)to medium
<br /> _ (40%)grained,no fines,no hydrocarbon(HC)odor
<br />' #2112 sand from T to 25'
<br /> bsg
<br /> -10 SP Gray,saturated,SAND,fine-grained,no fines,
<br /> MW4-10 5111114 45 micaceous,soft,HC odor
<br /> I '
<br /> -15 SP Gray brown,saturated,SAND,fine-grained,no creened interval
<br /> MW4-15 4/9/11 25 fines,micaceous,soft,HC odor from 0 010 ss to ien25'bsg
<br /> -
<br /> 20— SP Gray brown,saturated,SAND,fine-grained,no
<br /> MW4-20 4/10116 5 fines,nueaceous,soft,HC odor
<br /> CL Dark brown,saturated,SILTY CLAY,5%sand,
<br /> low plasticity and toughness,moderate consistency,
<br /> HC odor
<br /> I
<br /> SP Cray brown,saturated,SAND,fine-grained,<5%
<br /> -25 fines,micaceous,soft,HC odor End cap at 25'
<br /> MW4-2S 5/9110 0 CL Dark brown,saturated,SILTY CLAY,5%sand,
<br /> low plasticity and toughness,moderate consistency,
<br /> HC odor
<br />
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