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Advanced BORING LOG <br /> GeoEnvironmentai, Inc. BOREHOLE NO P-42 <br /> 837 Shaw Road, Stockton, CA 95215 <br /> (209) 467-1006 FAX (209) 467-1118 TOTAL DEPTH 50 FT. <br /> Project FLAG CITY CHEVRON Drilling Co Enviroprobe <br /> Site Location 6421 CAPITOL AVENUE Rig/Auger Type Geoprobe 5400/ 1 25" rods <br /> LODI Logged By E FISHER <br /> CALIFORNIA <br /> Protect No AGE-NC-96-0232 Reviewed By C LEE <br /> Date(s) Drilled 20 JANUARY 2004 <br /> Notes Total depth equal to 50 ft, selected water&5 ft interval Q Water level during drilling Page 1 of 2 <br /> soil samples,boring backfilled to grade w/portland cement 3E Water level in completed well <br /> Depth Sample Blows PID Soil USCS Class and <br /> ID (per 6") (ppm) Symbol Soil Description <br /> -5 n <br /> P42-5 __ 0 ML Brow ,moist,fine sandy SILT,60%fines/40%sand,no odor <br /> -10 SNI/ML Brown,moist,fine sandy SILT w/trace med sand, 50%fines/50%sand,no <br /> 0 <br /> P42-10 --- odor <br /> Q <br /> -15 P42-15 0 SM Pale brown,very moist,fine SAND w/silt, 80%sand/20%fines,soft,orange <br /> - <br /> oxidation-- oxidation stains,no odor,grab water sample collected between 1 I & 16 ft <br /> -20— P42-20 __ 0 SP Gray-brown,saturated,fine SAND w/fines,90%sand/10%fines,soft,no odor <br /> -25 P42-25 --- 0 ML Pale brown,damp,fine sandy SILT, 70%fines/30%sand,soft,no odor <br /> -30— P42-30 __ 0 ML Mottled reddish-brown/gray,saturated,fine sandy SILT,50%fines/50%sand, <br /> soft,faint hydrocarbon odor <br /> -35 No soil sample <br /> P42-38 --- 0 ML Mottled gray/red-brown, saturated,fine sandy SILT,70%fines/30%sand,no odor, <br /> -40— grab water sample collected between 40 &44 feet <br /> 45— No soil sample <br /> 50- 1`42-50 --- 0 SW Brown-gray,saturated,fine-med SAND w/trace gravel,no fines,unconsolidated,no <br /> odor <br />