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Waitinq Times Waiting times after the delivery of product , after product is circulated through the line or after pumping has stopped are not necessary before valid tests can be conducted . For the Hourly testing , 2 tests were run after each circulation . As a result , the waiting times for the hourly testing ranged from 0 minutes to 24 minutes , with an average of 5 . 5 minutes . Table 3 . Performance Parameters for the Pneumercator LLP -203 Series PLLD for Flexible , Rigid , and Hybrid Pipelines Using the EPA Protocol Parameter Value Probability of Detection (PD) 100 % (87 . 79 % to 100% ) of a 3 . 0 gal/hr leak (Hourly) Probability of False Alarm ( Hourly PFA) 0% (0% to 12 . 73% ) Maximum Line Size Combination of all piping , flexible or rigid or in combination limited to a total capacity of 1178 . 68 gal . for hourly testing Waiting Time after Delivery of None Required Product before Conducting a Test Waiting Time after Product Circulation None Required Through Line before Conducting a Test Hourly Test Times with a 3 . 0 gal/hr Leak Range : 7-9 minutes Hourly Test Times without Leak Range : 13 minutes 6 . 0 Conclusions The following conclusions and recommendations are based on the results of the testing described in this report . • The observed PQ for a 3 . 0 gal/h leak was 100 % and the PFA on a tight line was 0 . 0 % . • Using the EPA protocol , the Pneumercator LLP -203 Series PLLD can be used on any pipeline for hourly testing up to 1178 . 68 gallons in volume including rigid , flexible or a combination of pipeline types . • A waiting time after product is circulated through the line or after pumping has stopped is not necessary before conducting a valid test . • A waiting time after delivery of product is not necessary before a valid test can be conducted . 7