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Vaporless Mfg. LD 3000/30005 <br /> 1.0 Introduction <br /> The Vaporless LD 3000 mechanical leak detector is designed for hourly monitoring of <br /> large-capacity, high through-put pumps and lines. The LD 3000S is identical to the LD <br /> 3000 with the exception of a electrical switch added to provided external control signals. <br /> The LD 3000 and LD 3000S were previously evaluated and reported on in 1993 using <br /> 350' of Ameron fiberglass pipe containing 158 gallons of product. The evaluation was <br /> conducted using the Federal EPA's "Standard Test Procedures for Evaluating Leak <br /> Detection Methods: Pipeline Leak Detection Systems," EPA/530/UST-90/01 0, <br /> September 1990. The evaluation results were published in the report "Evaluation of the <br /> Vaporless LD 3000 and LD 3000S Line Leak Detector for Hourly Monitoring", August <br /> 20, 1993. This report and the EPA Protocol should be referred to for full details of the <br /> 1993 evaluation. <br /> Since that evaluation was performed, larger volume rigid and flexible pipelines are <br /> available for use in new construction and site upgrades. These larger pipelines can <br /> exceed the maximum 316 gallons pipeline volume allowed for the LD 3000/3000S in the <br /> 1993 evaluation. <br /> This new evaluation was performed on larger diameter rigid and flexible lines with <br /> increased volumes. Three types of pipe line configurations were used: rigid pipe only, <br /> flexible pipe only and rigid/flexible pipe combined. The testing procedures satisfy all of <br /> the requirements for a full EPA evaluation with the exception that only 6 tests were run <br /> per pipeline configuration rather than the minimum 50 tests called for by the Standard <br /> Test Procedures. <br /> Page 1 of 8 <br />