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California Edition:September 1997 <br /> Veeder-Root <br /> TLS-250, TLS 250i Plus, ILS 250,TLS-300C/ 300i / 300PC , ILS 350, TLS-350 /350 PC 1 35OR/ 35ORPC <br /> Interstitial Liquid Sensor for Steel Tanks (0794390-420) <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 /> gasoline gasoline <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 250i Plus, ILS 250, at a flow rate of 0.13 gal/hr in 4.8 cm diameter test chamber. <br /> ** ILS 350, TLS-350, at a flow rate of 0.12 gal/hr in 4.8 cm diameter test chamber. <br /> Specificity Results: <br /> Activated: diesel fuel, synthetic fuel, heating oil#2, water. <br /> Comments: <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: (203) 651-2700 Date of Evaluation: 07/17/92 <br /> 291 <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 <br /> the method or equipment. Equipment should be installed and operated in accordance with all applicable laws and regulations. <br />