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March Monthly/1 ~ Quarter Report - 2002 <br />Page 4 <br />American Tunnel Bulkhead No.2 <br />At month end, the bulkhead pressure had not reached equilibrium but the rate of pressure <br />rise had slowed. Final closure of the bulkhead pipe will occur after a pressure equilibrium <br />is reached provided sulfate levels and pressure are within the design criteria for the <br />bulkhead. <br />If you have any questions on this report, please contact me. <br />I certify under penalty of law that I have personally examined and am familiar with the <br />information submitted herein: and based on my inquiry ofthose individuals immediately <br />responsible for obtaining the information, I believe the submitted information is true, <br />accurate and complete. I am aware that there are significant penalties for submitting false <br />information, including the possibility of fine and imprisonment. See I S U.S.C. Section <br />1001 and 33 U.S.C. Section 1319. <br />Sincerely, <br />~/, <br />Larry Perino <br />Reclamation Manager <br />cc: EPA -Bruce Kent (8P-W-T) <br />DMG -Wally Erickson <br />Allen Sorenson <br />