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JUL 9 '98 17:00 FROM GETT' cR-RYAN INC TO 120946e3433 PAGE.009/010 <br /> 4UL-09-98 Tmu e9 S49 Am rLw�ZAMCF-DRIL <br /> CANT^r <br /> M PURVAANCE <br /> PHONE DRMLLERS <br /> FAX NG. <br /> C.M)W7-3574 <br /> WEU 0$?XUNM PUMPS AND WMA"M SvsrSW$ <br /> P.O.BOX 64 s LINDEN,C^LIFQRNIA 05233 <br /> July 8, 1998 <br /> Gettler-Ryan' Inc. <br /> ,6747 Sierra Court, Suite J <br /> Dublin, Ca 94568 <br /> Rx: well Destruction--Tosco 76 Station <br /> 16500 J. 1-5 <br /> Lathrop, Ca <br /> Dear Mr. Lee: <br /> ,Recommended abandonment procedure for above referenced job site <br /> based on available information and assumptions. <br /> 1. Before potentially destabilizing well bore by ripping or <br /> perforating, pump concrete or neat Cement from bottom up <br /> to SO-85 feet to make certain of sealing off bottom <br /> aquifer from well bore. <br /> 2. Perforate or rip from 80-85 feet to surface or an allowed <br /> by existing concrete seal If a .subajantial amount of - <br /> casing can not be perforated then an alternate destruction <br /> method should be considered. <br /> 3. Pressure grout remaining bore hole from bottom up and <br /> hold pressure until cement stabilizes. <br /> Assumptions; <br /> I. The present well bore and its annulus are not providing <br /> significant contaminate flow paths. The sell destruction <br /> is primarily a proventivO moasure to keep the well bore <br /> from becoming a flow path. <br /> Z. There is a suitable squatard *somewhere between the surface <br /> and total depth of the woll- '' <br /> 3. The well bore will remain opaii- between procedure two and <br /> three. <br /> 8873574 PAGE-991 <br /> JUL 8 '88 9:49 <br />