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JUN 1 4 1996 • .P"=' <br /> )/L+D,/ <br /> To Local Implementing Agencies <br /> Cal/EPA ! r, Pete Wilson <br /> RESEARCH ON RECENT TANK LEAKS ' Governor <br /> State Water <br /> Resources As you may know, we have increasing concern about the release of MTBE from <br /> Control Board under ound storage tanks STs . This <br /> � g (USTs). oxygenate represents about 10% by volume of <br /> Division of gasoline at this time, and it does not share the same characteristics as the petroleum <br /> Clean Water constituents in gasoline with regard to solubility, density, environmental fate, etc. As a <br /> Programs result, we are especially concerned that tanks currently in operation storing gasoline do <br /> Mailing Address: not leak. In other words, because of MTBE in gasoline, it is even more important that <br /> P.O.Box 944212 our leak prevention program is sound. <br /> Sacramento,CA <br /> 94244.2120 <br /> As a check, we are doing some research on recently reported tank leak cases to find out <br /> 2SSuite 13014 T e how the release was discovered, and whether there is any indication of success or failure <br /> Saetarie to,CA of the leak detection system. Tank testing is of particular interest. <br /> 95814 <br /> (916)227-4332 <br /> FAX(916)2274349 We would appreciate your help by: <br /> • Filling in the information indicated below for the leak cases reported in your <br /> jurisdiction as shown on the attachment. We are interested in knowing for the <br /> tanks that were closed (TC) if there is any indication that the tanks were previously <br /> tested and determined to be tight and were later discovered leaking. <br /> • We would also like to receive copies of the available monitoring records (tank <br /> testing, annual MIR statements, SIR test results, automatic tank gauging results) <br /> going back two years for each of the tanks shown in your jurisdiction. <br /> HOW LEAK DATE OF <br /> SITE .ADDRESS TANKAGE DISCOVERED TANK TEST PASS/FAIL <br /> Please attach supplemental sheets if needed. Please return by July 6, 1996 and if you have <br /> questions please contact Mr. David Holtry at (916) 227-4332. <br /> Sinc <br /> j lan Pa . n, Chief <br /> i UST Program <br /> Recycled Paper Our mission is to preserve and enhance the quality of California's water resources,and <br /> ensure their proper allocation and efficient use for the benefit ofpresent and future generations. <br />