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M Infurna EAI Project No 1232 <br /> April 26, 2001 <br /> Page 2 <br /> • Insert wire-line charges placed as follows <br /> -15 to -40 feet 6 charges <br /> -55 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 /> -240 feet 1 charge <br /> -260 feet 1 charge <br /> -277 to -297 feet 5 charges <br /> -315 feet 1 charge <br /> For intervals requiring multiple charges, charges will be set at five-foot intervals, <br /> which will destroy the casing rather than just perforate the casing The well will be <br /> tremae grouted from the bottom up and topped off This procedure will be repeated <br /> until the grout level no longer drops <br /> • • Insert tremie 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 tremie pipe <br /> • Detonate wire line charges <br /> • Fill up well with grout and mushroom cap to 10 feet bgs <br /> • Backfill excavation with clean fill <br /> • Remove four (4) 5,000-gallon storage tanks (non-petroleum) <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-EHD for destruction of <br /> the RIW <br /> (this space intentionally left blank) <br /> ENVIRONMENTAL AUDIT, INC® <br />