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
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