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Am <br /> OPOSED MONITORING WELL CONSTRUCTION <br /> DETAILS FOR MW-31 AND MW-32 <br /> DEPTH FROM G.S.(FEET) <br /> LOCKING CAP FLUSH MOUNTED STEEL TOP OF STEEL BOX FLUSH MOUNT <br /> - <br /> TRAFFIC RATED WELL BOX <br /> GROUND SURFACE <br /> GROUND SURFACE -� <br /> TOP OF CASING —0.5'BGS <br /> 2"BLANKSCH40PVC TOP OF CEMENT GROUT SEAL VBGS <br /> _ PORTLANDCEMENTAND<5% <br /> BENTONITE POWDER <br /> MW31 MW-32 / <br /> TOP OF BENTONITE CHIPS 81', 94' {✓ l(p •/ <br /> TOP OF#3 SAND 84' 97' �-!L� 10 <br /> 1/3 LONESTAR SAND (,.>.� / <br /> TOP OF SCREEN 85' 98' / I <br /> BENTONITE CHIPS <br /> - - 03 LONESTAR SAND BOTTOM OF SCREEN 90' 105' • �L r // <br /> _ - 2'(#20 SLOT)SCH 40 PVC <br /> - - BASE OF ip SAND 90' 105' U <br /> BOREHOLEDIAMETER: APPROXIMATELY8' /a <br /> BOTTOM OF BOREHOLE 90' 105' 5 <br /> NOT TO SCALE <br /> PROPOSE SNGLEC COMPLETION N DETAILS FIGURE <br /> El�yt <br /> Former UNOCAL Station 5098 <br /> 10411 Om Placer lle Road Ste 210 5400 and 5606 Pacific Avenue Monitoring Wells <br /> Sacramento,California 95827 Stockton,California MW-31 AND MW-32 <br /> Phone:(916)362-7100 <br /> Fax:(916)362.8100 DRAWN BY DATE JECTNUMBER <br /> Web:WWW.ENSR.COM DPARTIDA 10/15/2004 PR 06940-293 <br /> .I'\Pminrtn\08940k5nAR-293\CAD\40(4\50AB WELL-CONSTRI)CTION.dwo 10/15/2004 8'09:58 PM PDT <br />