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„ ~ / <br />AMERICAN <br />Ed Cooley <br />S O D A, L L P Environmental Health and <br />Safety Manager <br />2717 County Road 215 <br />Parachute, CO 81635 <br />Friday, August 27, 2004 <br />Kent Walter <br />White River Field Office <br />Bureau of Land Management <br />73544 Highway 64 <br />Meeker, Colorado 81641 <br />Direct Line (970) 285-0d07 <br />International Telephone +1 (970) 285-6500 <br />General Facsimile (970) 285-6393 <br />ENV.190.04 <br />Re: AS Well 29-22 UIC Permit No. C03858-04570 <br />AS Well 29-20 UIC Permit No. C03858-04569 <br />AS Well 29-24 UIC Permit No. C03858-04572 <br />AS Well 20-31 UIC Permit No. C03858-04558 <br />AS Well 20-76 UIC Permit No. C03858-04651 <br />Dear Kent: <br />During the performance of mechanical integrity tests of the American Soda Piceance facility <br />wellfield, wells 29-22, 29-20, 29-24, 20-31, and 20-76 failed to pass the minimum requirement of <br />300 psi for 30 minutes with less than a 10% pressure loss. <br />ASLLP is in the process of evaluating the possibility that the cast iron bridge plugs are leaking. <br />On wells 29-22 and 20-76, ASLLP will set additional bridge plugs and retest the mechanical <br />integrity. This procedure should be complete by 9-1-04. <br />ASLLP plans to plug both 7" casing strings with cement from the bridge plugs to the surface <br />on wells 29-20, 29-24, and 20-31. <br />In the event that additional bridge plugs do not allow a successful MIT, ASLLP plans to plug <br />both 7" casing strings with cement from the bridge plugs to the surface on wells 29-22 and 20- <br />76. <br />Delivering a Crystal Clear Advantage <br />www.americansoda.com <br />