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Advanced BORING LOG <br /> GeoEnvironmental Inc. <br /> BOREHOLE NO MW-4 <br /> s 837 Shaw Road, Stockton, CA 95215 <br /> (209)467-1006 FAX (209) 467-1118 TOTAL DEPTH 35 Feet <br /> Project Bob's Muffler Shop Drilling Co Mitchell Dulling Environmental Corp <br /> Site Location 466 Moffat Boulevard Rig/Auger Type CME-75HT/8"Dia Hollow Stena Augers <br /> IManteca, California Logged By T Mikacich <br /> Reviewed By N Henderson <br /> Project No AGE-NC-98-0520 Date(s) Drilled 12/10/99 <br /> Notes = Water level during drilling Page 1 of 1 <br /> z Water level to 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 seal from <br /> 05to9'bsg <br />' 5 No sample collected <br /> - <br /> -10 SP Brown,moist,medium dense,POORLY GRADED <br /> MW-4-10' 4/6112 00 SAND,with tine to medium sand,trace silt fines,loose, Bentonite seal from 9 <br /> micas,no petroleum hydrocarbon(I.1C)odor to 12 bsg <br /> -15 SP Brown,moist,medium dense,POORLY GRADED <br /> MW-4-15' 7/9/15 00 SAND,with medium sand,trace silt fines and coarse #3 sand from 12 to 35' <br /> sand,faint HC odor Change at 15 feet bsg brown to bsg <br /> olive-gray,moist medium dense,POORLY GRADED <br /> SAND,with fine sand,some silt,dark brown mottling <br />' -2� i ML Green to olive gray,wet,stiff SILT,with micas, <br /> MW-4-20' 8/13/15 107 HC odor Change at 20 feet bsg trace amounts of clay <br /> -25 ML Green to olive-gray,wet,stiff,SILT,faint HC <br /> MW4-25' 9/10/13 1 odor Change at 25 feet bsg trace amounts of clay Screen interval from 15 <br /> to 35'bsg,0 020-inch <br /> slots <br />' -30 CL Brown to olive-green,wet,stiff,LEAN CLAY, <br /> MW-4-30' 6/11/15 0 1 with silt,trace medium sand and nucas,faint HC odor <br /> I <br /> ML Brown to olive-gray,wet,stiff,SILT,with micas, <br />' <br /> 35-- <br /> 5 abundant iron oxidation,no HC odor End cap at 35' <br /> MW-4-35' 718111 00 <br /> t <br /> 1 <br />