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'i <br /> i <br /> WEGE' WELL CONSTRUCTION LOG. <br /> PROJECT NAMIY'sA PETROL�uM #6�AONITOR WELL NUMBER MW 8 <br /> 2500 W. Lodi Ave., Lodi, cA TOP OF CASING ELEVATION <br /> PROJECT NUMBER_ DATE COMPLETED 218193 _ <br /> WELL TYPE Monitoring Well (water) <br /> R EM A R K S 1 threaded bottom cap, 1 water tight well cap (locked) I <br /> Drilled with Mobile B-57 Rotary Pin � <br /> i <br /> TYPICAL MONITORING i <br /> WELL <br /> WELL CONSTRUCTION <br /> 7. <br /> 60.0' <br /> ------------ ---- 1. Total Depth of hole <br /> 2. Diameter of boring 8" <br /> e. 3. Casing length 60.0' <br /> 5. 4. <br /> 4. Diameter of casing 2.0" <br /> 5. Depth to top of screen 35.0' ' <br /> 6. Length of screen 25' r <br /> -id-- --- i' screen interval 60.0'-35.0' <br /> ,i machine cut slot l <br /> screen type <br /> 1 screen size 0.02" <br /> 3. ` <br /> 7. Surface seal .5' to surface <br /> seal material Concrete <br /> 11. 6' 8. Backfill 30''•5' <br /> seal material neat cement w/ <br /> i <br /> 5% bentonite <br /> 9. Upper seal (see 10) <br /> seal material <br /> i <br /> 10. Lower seal 32.0'-30' <br /> seal material Bentonite 318" <br /> hydrated <br /> 2• 11. Annulus 60.0'-32.0' <br /> material *3 clean Monterey sand <br /> NOTE:Bach well constructed with poly-vinyl chloride (PVC) <br /> i <br /> casing with threaded bottom caps and threaded top caps. <br /> Also, PVC steam cleaned before constructing each well. ! <br /> If <br />