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1 <br /> Advanced BORING LOG <br /> GeoEnvironmental, Inc. BOREHOLE NO MW-2 <br /> 4005 North Wilson Way, Stockton, CA 95205 <br /> (209)467-1006 FAX (209)467-1118 TOTAL DEPTH 321 <br /> Project Rainwater Car Wash Drilling CoT West Haz Mat Drlllmg <br /> Site Location 420 West Yosemite Avenue Rig/Auger Type CME 75 / 8" hollow stem <br /> ' Manteca Logged By T Cuellar <br /> California <br /> I <br /> Reviewed By N Henderson Project No — AGE-NC-97-0333 <br /> -- - - - - +Date(s) Drilled 06/29/00 _ -- <br /> Notes Total depth of boring MW-2 equal to 32 feet bsg,boring 2 Water level during drilling Page 1 of 1 <br /> completed as 2-inch diameter ground water monitoring well x Water level in completed well <br /> i <br /> Depth Sample Blows PID Soil USCS Class and Well Well <br /> ID /ft (ppm) ISymboll Soil Description Completion Description <br /> 0 - r- - - - � -- — - -- - <br /> Well cover,water- <br /> tight,locking cap <br /> - -T - Cement grout seal from <br /> MW2-5 15/20/25 6 SP Brown,damp,dense,poorly graded,BAND,fine <br /> sand,less than 5%fines No petroleum hydrocarbon 1'to 8'bsg <br /> (HC)odor rim -171[1 <br /> -10 <br /> 1 MW2-10 20/22/25 6 I SP Pale brown,damp,dense,poorly graded,SAND, I Bentonite se aI from 8' <br /> ' fine sand,less than 5%fines No HC odor -_ to 10' bsg <br /> vIW2 15 IU12-i2, 180 vii Ftrown-gray moist hand tlay(y SILT with sand <br /> #2/12 sand from 10 to <br /> hne,sand .about 75% fines and 25%sand 1 amt IR 32 bsp <br /> odor <br /> 20 V W2 20 22'27135 266 SM Brown-gray,moist,dense silty SAND fins sand <br /> '" - Sircxmcrl intorval from <br /> about 80%sand and 20%fines Intens(.IfU odor - 12 to 32 bsg <br /> 25 lt -_ <br /> N1 W2 75 23/28/34 7' SM Brawn gray Saturated dense Silty SAND Fac. <br /> band about 60°/sand and 20%tines Intense,H( odor - <br /> 3 0 \11'42 10 12/22125 12� SP Brown-pay,saturated dc.nsc poorly graded- - - - -- <br /> SAND fin(,to medium sand less than 5%fints Strong sir <br /> IK odor <br /> 1 <br /> 1 ' <br /> 1 <br /> • <br /> i <br />