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' was completed, at which time the gasket was replaced. <br /> ' This was a typical maintenance operation and <br /> resulted in no product spillage. No incidents more <br /> ' serious than this involving Time Oil's aboveground <br /> lines have occurred. <br /> ' On February 26 and 27, 1988 the six underground <br /> truck loading rack lines were tested by Western <br /> ' Meter Service, Inc. with air pressure. All held <br /> pressure, indicating no leakage (see Appendix B) . <br /> 1 B. Tank Testing <br /> ' With the exception of one tank presently storing <br /> alcohol, Time Oil's storage tanks have "water <br /> tbottoms" . This is a layer of water on which the <br /> product floats. By gauging both water and product <br /> ' levels in the tank a more accurate inventory may be <br /> kept. The loss of water also serves as an effective <br /> ' indicator of a leak in the tank. Immediately upon <br /> learning of the current problem, gauging records <br /> ' were inspected and no loss of water was found. Time <br /> Oil's tanks are also equipped with automatic gauges <br /> linked by telephone to computers at our Seattle <br /> ' office. These gauges were checked hourly after the <br /> terminal was closed and there was no change in <br /> ' product level which might indicate a leak. <br /> On February 29 and March 2 - 3 , 1988 Time Oil's five <br /> gasoline storage tanks were tested by Pelagos <br /> ' Corporation using acoustic emission technology. <br /> There was no indication of leakage. Test <br /> methodology and results are presented in Appendix <br /> ' C. The two tanks not tested are in diesel and <br /> alcohol storage. <br /> - 3 - <br />