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• California Edition:August, 1996 <br /> Tidel Engineering <br /> EMS-3500 <br /> Liquid Discriminatory Probes Part 301-0635 <br /> LIQUID-PHASE INTERSTITIAL DETECTOR <br /> Detector: <br /> Output type: qualitative <br /> Sampling frequency: continuous <br /> Operating principle: electrical conductivity/hydrocarbon sensitive polymer <br /> Test Results : <br /> Commercial <br /> Gasoline Water. <br /> Accuracy (%) 100 100 <br /> Response time (min) 3.59 0.96 <br /> Recovery time (min) 13.18 <1 <br /> Product activation height (cm) 1.76 0.49 <br /> Lower detection limit 4.19 1.52 <br /> at a now rate of 0.04 gal/hr in a 2.54 cm diameter test chamber <br /> Specificity Results: <br /> Activated: diesel fuel (at liquid height of 1.78 cm), synthetic fuel (at 2.30 cm), home heating oil k (at 2.30 cm). <br /> Manufacturers Specifications: NONE <br /> Comments: <br /> The test procedures used were those in Carnegie Mellon Research Institute's "Test Procedures for Third <br /> Party Evaluation of Leak Detection Methods: Point Sensor Liquid Contact Leak Detection Systems": Final <br /> Report- November 11, 1991. <br /> Tidel Engineering Evaluator. Carnegie Mellon Research Institute <br /> 2615 East Belt Line Road— <br /> Carrollton, TX 75006 <br /> Tel: (800) 676-7577 Date of Evaluation: 01/29/93 <br /> 172 <br /> Appearance on this list is not to be construed as an endorsement by any regulatory agency nor is it any guarantee of the performance of the J <br /> method or equipment. i <br /> 41 `�' i, 03 <br />