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AUG 2 9 199-1 SB/MW * :SB-2/MW-2 <br /> Eft }NMENTAL HEA P91L DRILLING LOG Page- , of 1 <br /> ��i�f ���� S Sampler: G. DAVIS <br /> - <br /> _= — AVl aErengnvironmental Engineering <br /> PROJECT FORD NEW HOLLAND, STOCKTON LOCATION 2150 WEST CHARTER WAY <br /> ELEVATION MONITORING DEVICE TIP PHOTOVAC <br /> SAMPLING DATE(S) 11-17-88 START 1300 FINISH 1445 <br /> SAMPLING METHOD 2" O.D. BRASS TUBE SUBCONTRACTOR & EQUIPMENT SPECTRUM EXPL. <br /> MEMO BRASS TUBES IN SPLIT SPOON SAMPLER THROUGH 8" O.D. CME-55 <br /> HOLLOW STEM AUGERS. DRILLED APPROX. 40' SW FROM <br /> TANK EXCAVATION. NO ODORS NOTED DURING DRILLING. <br /> L Borehole Abandonment/ <br /> Penetration g-- `o_ o n Well Construction <br /> o Results o c m E Details <br /> m -- � Traffic-rated <br /> m m m m � E Soil Description s v� <br /> L Blows a m Color, Texture, Moisture,Etc. = 6 vaultbox <br /> CO <br /> o 6"-6"-6" m U) —` in H U C7 Locking cap <br /> Gravel Neat cement <br /> with 5% <br /> bentonite <br /> 2.2' :<::;::;::::; Bentonite <br /> 4-7-11 18 3.0'- Light olive brown(5Y 5/6)sandy 3 <br /> 2"Dia PVC <br /> 4.5' 40605 0 <br /> silt; slightly plastic to non- ML casing <br /> plastic; moist;gradational con- <br /> tact with underlying sand from <br /> approximately 8'to 9'. <br /> 3-6-8 14 8.0'- 2"Dia.PVC <br /> 9.5' 4060E 0 0.020" slotted <br /> screen <br /> 10, <br /> Light olive brown(5Y 5/6)sand; <br /> moderately graded;fine to SID <br /> 8-13-16 29 13.0'- coarse grained; saturated. #3 sand <br /> 14.5' W607 0 <br /> 15' <br /> Greenish gray(10Y 4/2)clayey <br /> 4-5-6 11 18.0'- silt; slightly to non-plastic; ML 18' Sand Slough <br /> 19.5' 08 0 moist. MM <br /> ................ . ...... <br /> 20' <br /> 20.0' T.D. <br /> SIGNATURE OF FIELD SUPERVISOR SIGNATURE OF REVIEWER <br /> Senior Geologist Supervising Geologist <br /> TITLE TITLE <br />