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Advanced BORING LOG <br /> GeoEnvironmental, Inc. -1 <br /> �- BOREHOLE NO EW <br /> -. 837 Shaw Road, Stockton, CA 95215 <br /> TOTAL DEPTH 55 f . <br /> (209) 467-1006 FAX (209) 467-1118 <br /> Project Top Filling Station Drilling Co Cascade Dnllmg <br /> Site Location 101 South Wilson Way Rig/Auger Type B-9518-mch H S Augers <br />' Stockton Logged By T Cuellar <br /> Califorma Reviewed By W Little <br /> Project No AGE-NC-95-0130 Date(s) Drilled 23 July 2003 <br />' Notes Boring terminated at 55 feet bsg boring completed s Water level during drilling page 1 of 4 <br /> as 6-inch diameter ground water extraction well. m Water level in completed well <br /> Depth Sample Blows PID Sod USCS Class and Well Well <br /> Id per 6") (ppm) Symbol Soil Description Completion Description <br /> 0 Well cover;water- <br /> Ugbt;lodrmg car <br /> -5 EW i-5 31150 0 ML Down w/whtte ppt-,moist,hard,SILT wrtb sand, <br /> 50°6 fines&50°le fine sand trace fie gravel,no odor <br />' -10 ML Brown/dark ,hard,SILT with sand, <br /> EWi-10 34!50 0 �� <br /> 50%fines&50%fiipe sand,trace fine gravel,no oder <br />' -15 ML Brown/pale brown,moist,hard,clayey SILT,90% <br /> EWI-15 31/32/34 0 grout <br /> fi�&10%fine sand,trace fine gravel,no odor Ift to 26 ft bsg <br />' <br /> -20F-WI-20 32133!34 0 = SM Brown/pale brown,moist,dense,silty SAND;70% <br /> Sne sand&300/0 fines,trace fine gravel,no odor <br />' <br /> -25 EWl-25 34135/39 0 == SM Bmwn/pale brown,moist,dense,silty SAND,70"/6 <br /> — — <br /> fine sand&30%fines,trace fine gavel,no odor Beutomte seal <br /> 6 ft to 28 R bsg <br /> -30— <br /> — 2— SM Brown/ c brown,moist,dense,s 70% <br /> EWl-30 33r35f37 0 — — P� �y SAND; 50/50 blend of 43 <br /> fine sand&30%fitees,trace fine gravel,no odor sand/aquanum gavel <br />' — — 28 ft to 55 8 bsg <br /> -35 EWI-35 34/35/36 2 == SM Brown/pale brown,moist,dense,silty SAND,70% <br /> fine/med.sand&30%fines,trace fine gravel,no odor <br /> 1 <br /> -40 EW 1-40 21/25127 216 MI- Brownit;my,mots[,hard,sandy SILT,60-/6 fines& Screenedinterval <br /> 40%very fine sand,faint petroleum odor 30 ft to 55 ft bsg <br /> s <br /> -45 EWl-45 15/16/18 162 SP may,saturated,med de ,SAND 95%fine sand& <br /> 5%fines,unconsolidated,moderate petro odor <br /> 50 EWI-50 11/12/13 497 SP Cray,Saturated,red.dome,SAND,95%flue sand& <br /> 5%fines,uncousohdate4 moderate petro odor <br /> -55 EWI-55 12/13/14 87 ML Broom,moist,very sta SILT,90%fitaes&10% Well plug at 55 ft <br /> fine sand„faint pe" odor <br />