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Ameron Dualoy° Pipe Monitoring System <br /> 1.0 INTRODUCTION <br /> The State of California has passed new requirements for new pipelines and their <br /> associated leak detection systems. These requirements are described in SB 2481 and <br /> require that pressure, vacuum or hydrostatic level monitoring be maintained in the <br /> interstitial space of a double wall pipe for leak detection purposes. <br /> This document describes the testing that was conducted on the Ameron Dualoy° <br /> Pipe Monitoring System. The results of the evaluation make it possible for users, <br /> regulators and other interested parties to evaluate the performance of the leak detector <br /> and to compare its performance with other similar methods. The results of this <br /> evaluation may be applied to any system that monitors the liquid level in a reservoir <br /> attached to the annular space of double wall pipe. The results of this evaluation can be <br /> found in Appendix A of this report. The test data is in Appendix D. <br /> Because the number of tests was limited, the worst-case conditions were selected <br /> for the calculation of the pressure and temperature effects on the brine level. <br /> Page 1 of 12 <br />