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California Edition:June 1999 <br /> 66 Veeder-Root <br /> TLS-250,TLS 250i Plus,IIS 250,ILS 350,TLS-300/300c/300i/300pc,TLS-350 Series <br /> Interstitial Liquid Sensor for Steel Tanks(0794390-420,-460) <br /> LIQUID-PHASE INTERSTITIAL DETECTOR <br /> Detector: <br /> Output type: qualitative <br /> Sampling frequency: continuous <br /> Operating principle: float switch <br /> Test Results: <br /> unleaded synthetic <br /> asg oline asoline.. <br /> Accuracy(%) 100 100 <br /> Response time(min) 6.00 6.51 <br /> Recovery time(min) <1 <1 <br /> Product activation height(cm) 3.67 3.62 <br /> Lower detection limit(cm) _ 4.05 4.17 <br /> *TLS-250,TLS 2501 Plus,ILS 250 <br /> **ILS 350,TLS-350 <br /> Specificity Results: <br /> Activated:diesel fuel,synthetic fuel,heating oil#2,water. <br /> Comments: <br /> Results shown are from July 1992 evaluation. April 1998 evaluation yielded similar results. <br /> EPA and many states require detection of 1/8 inch(0.32 cm)of product for groundwater monitoring. <br /> Test procedures used were Carnegie Mellon Research Institute's"Test Procedures for Third Party <br /> Evaluation of Leak Detection Methods:Point Sensor Liquid Contact Leak Detection Systems": Final Report- <br /> November 11, 1991. <br /> Detector is reusable. <br /> Veeder-Root Evaluator: Carnegie Mellon Research Institute <br /> 125 Powder Forest Dr. Tel: (412)268-3495 <br /> Simsbury, CT 06070-2003 <br /> Tel: (860)651-2700 Dates of Evaluation: 07/17/92, 04/22/98 <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 <br /> method or equipment. Equipment should be installed and operated in accordance with all applicable laws and regulations. <br /> 317 <br />