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Advanced BORING LOG
<br /> _ GeoEnvironmental Inc.
<br /> rtz \ 837 Shaw Road, Stockton, CA 95215 BOREHo�E No Mw_2
<br /> �— TOTAL DEPTH
<br /> (209) 467-1006 FAX (209)467-1118 35 Feet
<br /> Project Bob's Muffler Shop Drilling Co Mitchell Drilling Environmental Corp
<br /> Site Location 466 Moffat Boulevard Rig/Auger Type CME-75HT/8"Dia Hollow Stem Augers
<br /> Manteca, California Logged By T Mlkacsch
<br /> Reviewed By N Henderson
<br />' Project No AGE-NC-98-0520 Date(s) Drilled 12/09/99
<br /> Notes a Water level during drilling Page 1 of 1
<br /> s Water level in completed well ,
<br /> Depth Sample Blows PID Sod USCS Class and Well Well
<br /> ID (per 6"} (ppm) Symbol Sod Description Completion Description
<br /> 0
<br /> - No sample collected Auger returns were pnmarily Cement grout seal from
<br /> - -
<br /> composed of brown,fine sand,with coarse gravel 0 5 to 9'bsg
<br /> -10 SP -SM Brown,moist,loose,POORLY GRADED
<br /> MW-2-10' 31415 00 SAND WITH SILT,fine sand, 10%silt fines,no Bentonite seal from 9
<br /> petroleum hydrocarbon(HC)odor to 12' bsg
<br /> 15 SP Brown,moist,medium dense,POORLY GRADED
<br /> MW-2-15' 6/9/13 00 SAND,with medium sand,trace silt fines and medium
<br /> to coarse sand no HC odor
<br /> #3 sand from 12 to 35'
<br />' bsg
<br /> JCLYA
<br /> ark gray to olive-green,moist,very stiff,LEAN
<br /> -20 MW-2-20' 7110/15 03 ,with trace silt and medium sand,faint HC odor
<br /> Olive-g:HCofd:or:
<br /> et,very stiff,SILT,with trace
<br /> ntense
<br />' -
<br /> 25—
<br /> CL Brown to olive-gray,moist,very stiff,LEAN
<br /> MW-2-25' 8/10114 8 CLAY,with silt,HC odor Screen interval from 15
<br /> to 35'bsg,0 020-inch
<br /> ML Gray€o olive-green,wet,very stiff,SILT,with slots
<br /> clay,HC odor
<br />' ML Dark olive-gray,wet,very stiff,SILT with trace i
<br /> -30 MW-2-30' 9/10112 4 fine sand,intense HC odor
<br /> CL Dark gray to olive-green,moist,very stiff,CLAY,
<br /> with silt and trace medium sand,intense HC odor
<br /> ML Brown to red to green,moist,very still,SILT,with
<br />'
<br /> 35— MW-2-35' 7110/17 00 trace clay,abundant iron oxidation,micas,slight HC End cap at 35'
<br /> odor Change at 34 5 feet bsg brown to olive-gray,wet,
<br /> SILT,with trace clay and micas,faint HC odor
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