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Project TIME OIL - 14000 E HWY 88, LOCKEFORD, CA Log of Boring/Monitoring Well Page 3 of 4 Boring Location S W corner in alley (near drainage pond) project No J0710-001-01 MW- 10 zAr_ 1 0 1Subcontractor and Equipment West Hazmat Limited Access Rig Logged By T Brown ��/1 YY l 4111bfnpling Method 2" Split Spoon Sampler Monitoring Device 580B OVM PID Comments Wart Date/Time 07/31/96//0815 Finish Date/Time 07/31/96//1415 8-Inch Outside Diameter Solid Flight Augers First Water (BCS) 71 Feet Stabilized Water Level (BGS) 67 70 Feet ei o F a Surface Elevation 100 70 Casing Top Elevation 100 51 v Boring Abandonment/ y q LITHOLOGIC DESCRIPTION Well Construction Details d� 93 a c 7 (color grain size consistency moisture other) 0 80, 50 0 60 --_-_-- HYDRATED BENTONITE 2 /5 61 CHIPS 62 £4 >t 2-INCH { 63 __--___ ° 5 SCH 40 1 PVC 64 =--_- w CASING 24 5D --SW-- UNABLE TO RETRIEVE SAMPLE DUE TO LOOSE SAND AND fs` /5 65 PRESENCE OF GRAVEL 66 2-INCH ;� (t SCH 40 PVC 02 67 t SCREEN 1 68 -__ _ #3 SAND 50 70 --==-- 2 p571 ==------ GRAVELLY SAND DARK YELLOWISH BROWN (10 YR 4/2), 120 0 ____- 4K 72 =__- COARSE GRAINED SAND VERY DENSE t /6 ---- �' ' --- SATURATED, GRAVEL UP TO 2 5 INCHES IN DIAMETER NO PETROLEUM ODOR _h- _,f F 74 (406000) L I3 � 0 75 CL SANDY CLAY, WITH MINOR GRAVEL DARK GREENISHG = ' = 32 - — GRAY (5 GY 4/1), FINE GRAINED SAND h 76 DENSE, MOIST UP TO 1 5 INCHES IN tv2 ! DIAMETER GRAVEL MICACEOUS NO 77— PETROLEUM ODOR (10,35 0,55) ?6 } 1 50 79 - = crz t5 /6 — fio --SC- —SC_ CLAYEY SAND WITH SOME GRAVEL, GREENISH BLACK F (5 GY 2/1) COARSE GRAINED SAND VERYr� 81 - DENSE SATURATED, MICACEOUS UP TO _ 1 INCH IN DIAMETER GRAVEL PRESENT tt t 62 = _ NO PETROLEUM ODOR (15 60 0 25) ry x" j 83 - ' 84 - 0 15 OAS ABOVE WITH MINOR GRAVEL UP TO 0 5 [NCH � y 13 42 85-- IN DIAMETER PEBBLES PRESENT, MOIST /5 66 87- 88-- 89 7 88 89 - r 90 ' Reviewed by Date S E C O R Revised by Date