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Page 1 of 3 <br /> Nuel Henderson [EH] <br /> From: Orin Regier[ORegier@Geosyntec.com] <br /> Sent: Tuesday, October 06, 2015 3:35 PM <br /> To: Nuel Henderson [EH] <br /> Cc: Tim Davis; Caryn Quist <br /> Subject: LCERT Well Destruction 10.01-02 and 10.06 <br /> Neul, <br /> The following field activities were performed on 10.01, 10.02 and 10.06.2015: <br /> 10.01.2015 <br /> AS-06(angled well): <br /> Tagged Depth- 59 ft bgs <br /> Total Depth Drilled—60 ft bgs <br /> Materials Removed—old cement grout,filter pack sand and 50 feet of casing. <br /> Grout mix ratio-30 gallons of water with 8 bags of cement. <br /> Volume of grout used—approximately 150 gallons of grout tremmied down open borehole. <br /> AS-52: <br /> Tagged Depth- 59 ft bgs <br /> Total Depth Drilled—60 ft bgs <br /> / Materials Removed—old cement grout,filter pack sand and 60 feet of casing including screen and bottom cap. <br /> Grout mix ratio-30 gallons of water with 8 bags of cement. <br /> Volume of grout used—approximately 150 gallons of grout tremmied down augers. <br /> AS-37: <br /> Previously overdrilled and casing removed 9.26 and capped below grade. Due to drill rig breakdown,grouted <br /> 10.01 <br /> Grout mix ratio-30 gallons of water with 8 bags of cement. <br /> Volume of grout used—approximately 150 gallons of grout tremmied down augers. <br /> 10.02.2015: <br /> AS-50: <br /> Tagged Depth- 59 ft bgs <br /> Total Depth Drilled—Drilled to 55 ft bgs on 10.01.2015 then casing sunk below grade and sealed. Drilled to 60 ft <br /> j bgs on 10.02.2015 <br /> d Materials Removed—old cement grout,filter pack sand and 59 feet of casing including screen. <br /> Grout mix ratio-30 gallons of water with 8 bags of cement. <br /> Volume of grout used—approximately 150 gallons of grout tremmied down open borehole. <br /> AS-07 (angled well): <br /> / <br /> agged Depth- 70 ft bgs <br /> Total Depth Drilled—70 ft bgs <br /> Materials Removed—old cement grout,filter pack sand and 70 feet of casing including screen. <br /> Grout mix ratio-30 gallons of water with 8 bags of cement. <br /> Volume of grout used—approximately 180 gallons of grout tremmied down augers. <br /> 10/9/2015 <br />