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Temperature Measurement <br /> Are temperature measurement used by this method? <br /> ( ) yes <br /> (X) no <br /> If yes, describe how they are used. <br /> Procedure Information <br /> > Total time <br /> What is the total time needed to detect a leak of 0.1 gal/h with this method? <br /> 1 hour 45 minutes <br /> > Other important elements of the procedure or method <br /> List here any other elements that could affect the performance of the procedure or <br /> method (e.g., distance between reservoir and leak, ambient temperature fluctuations <br /> etc.) <br /> water table above pipe <br /> distance between reservoir and location of the leak <br /> > Identifying and correcting for interfering factors <br /> How does the method determine the presence and level of the ground water above the <br /> pipeline? <br /> (X) observation well <br /> ( ) other (describe briefly) <br /> ( ) Level of ground water above bottom of the pipeline not determined <br /> How does the method correct for the interference due to the presence of ground water <br /> above the bottom of the tank? <br /> (X) head pressure increased by raising the level of the brine reservoir <br /> (X) other (describe briefly) reservoir must be positioned at least 12 inches <br /> above water table level <br /> ( ) no action <br /> Liquid Filled Interstitial Monitoring—Results Forms Page 3 of 5 <br />