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Nonvolumetric TTY Method Tracer Tight (TM) Version Test Conditions During Evaluation (continued) The tests were conducted with the tank vaZdng percent full. The temperature difference between product added to-fill the tank and product already in the tank ranged from N A °F to &A °F, with a standard deviation of N A °F. The product used in the evaluation was vai3ing gasoline. diesel, 1 and heating oil This method may be affected by other sources of interference. List these interferences below and give the ranges of conditions under which the evaluation was done. (Check None if not applicable.) [ ] None Interferences Range of Test Conditions Limitations on the Results * The performance has not been substantially changed. * The vendor's instructions for using the method are followed. * The tank contains a product identfied on the method description form- * The tank capacity is liallons or smaller. * The difference between added and in-tank product temperatures is no greater than + or - degrees Fahrenheit. [ ] Check if applicable: Temperature is not a factor because Tracer detection outside of tank does not depend on fuel temperature inside tank Temperature does not affect the amount of Tracer released. * The waiting time between the end of filling the test tank and the start of the test data collection is at least hours. * The waiting time between the end of "topping off' to final testing level and the start of the test data collection is at least <x hours. * The total data collection time for the test is at least hours. * The product volume in the tank during testing is 0-100 % full. This method [ ] can [ ] cannot be used if the ground-water level is above the bottom of the tank. Other limitations specified by the vendor or determined during testing: 1. After Tracer chemical is addedyou must wait at least 14 days to collect sam les from vapor probes. 2 Alternative a roaches must be used if top of tank is under water, These approaches are available throuEh Tracer Research Co - Naanai�elric TIT Mei�od-Qecaits Fogs taw 2 of 3 r