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04/25/2001 08:31 71463267 EAI • PAGE 03 <br /> E <br /> M Ir�furna AI Project No. 1232 <br /> April 25, 2001 <br /> Page 2 <br /> Insert wire-line charges placed as follows: <br /> -15 to -40 feet G charges <br /> 455 feet 1 charge <br /> -74 to -94 feet 5 charges <br /> -110 feet 1 charge <br /> -121 to -181 feet 13 charges <br /> /-200 feet 1 charge <br /> /-220 feet 1 charge <br /> 4 240 feet 1 charge <br /> -e-260 :feet 1 charge <br /> -277 to -297 feet 5 charges <br /> -315 feet 1-eharge <br /> For intervals requiring multiple charges, charges will be set at(ti�ve-'foot.intervals, <br /> which will des the casing rather than 'ust perforate the casin . -The well will be <br /> tremie grouted from the bottom u nd r ssurize er a Pressure is remove the <br /> well will be topped of r� re-pressunz This procedure will be repeated until the <br /> grout level no longer drops. <br /> Insert tremae pipe from bottom of well to top, and pump nine (9) sack sand and cement <br /> from bottom to five (5) feet bgs. <br /> + Remove trernie pipe, <br /> Detonate wire line charges. r <br /> A4) �. Fill up well with grout and mushroom cap. <br /> + Backfill excavation with clean fill. <br /> • Remove four (4) 5,040-gallon storage tanks.('%OrJ <br /> • Remove tank supports: <br /> • Remove electrical panels. <br /> Cleanup and leveling of gravel mix pad to align with surrounding pad. <br /> Please review and let us know if this method is acceptable to the PHS-EH for destruction of <br /> the RIW. <br /> I <br /> EVwRCNMENT�U,AUDIT INC® <br /> w -- <br />