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Page 1 July 24, 1992 Is <br />Standard Test Procedures for Evaluating Leak Detection Methods: <br />Vapor -Phase Out of Tank Product Detectors - June 1990 <br />Complete Test Results for <br />Veeder - Root UST Monitoring System <br />Models TLS -350, ILS -350 <br />with Adsistor Vapor Probe <br />July 1992 <br />x0001 Standard Test Method for Accuracy and Response Time <br />UNLEADED GASOLINE <br />CHAMBER =21 °C <br />ICHAMBER -20°C <br />ICHAMBER <br />ICHAMBER = 20°C <br />Cones Rise Time <br />(Ppm)min <br />Fall Time <br />min <br />500 <br />Cone. <br />Rise Time <br />min <br />Fail Time <br />min <br />1000 NR NR <br />Cones. <br />m <br />Rise Time <br />min <br />Fall Time <br />min <br />50 NR NR <br />500 22.17 2.30 <br />1000 10.78 <br />2.28 <br />50 NR NR <br />500 15.22 2.12 <br />1000 7.28 <br />2.92 <br />50 NR NR <br />500 20.70 2.97 <br />1000 6.55 1 <br />2.12 <br />50 NR NR <br />500 21.12 2.25 <br />1000 7.57 <br />2.92 <br />50 NR NR <br />500 24.08 2.02 <br />1000 6.63 <br />1 <br />2.90 <br />Avernae NR NR <br />Average 20.66 2.33 <br />Avernus 7.76 <br />2.63 <br />SYNTHETIC GAS <br />CHAMBER -20°C <br />Cone. Rise Time Fall Time <br />(Ppm)min min <br />ICHAMBER <br />Cone. Rise Time Fall Time <br />min min <br />Conc. Rise Time Fall Time <br />m min min <br />50 <br />500 <br />1000 NR NR <br />50 <br />500 <br />1000 NR NR <br />50 <br />500 <br />1000 NR NR <br />50 <br />1 500 <br />1000 NR NR <br />50 <br />500 <br />1000 NR NR <br />Average <br />Average <br />Avera a NR NR <br />JP -4 JET FUEL <br />CHAMBER -22°C <br />ICHAMBER <br />-22°C <br />I CHAMBER <br />-21 °C <br />Conc. <br />Rise Time <br />min <br />Fall Time <br />min <br />Cone. <br />m <br />Rise Time <br />min <br />Fall Time <br />min <br />Conc. <br />m <br />Rise Time <br />min <br />Fail Time <br />min:sec <br />50 NR NR <br />500 36.02 4.42 <br />1000 29.87 <br />5.20 <br />50 NR NR <br />500 15.88 2.93 <br />1000 24.43 <br />4.22 <br />50 NR NR <br />500 17.80 4.32 <br />1000 12.28 <br />2.75 <br />50 NR NR <br />1 5W 1 8.32 4.03 <br />1000 1 10.22 <br />1.90 <br />50 NR NR1 <br />500 1 9.22 3.45 <br />1000 1 8.32 <br />1.37 <br />Average NR NR <br />I Average 1 17.45 3.83 <br />Avoraus 1 17.02 <br />3.09 <br />Rise and Fall Time was based on when the buzzer alarmed and reset <br />NR: No Response after exposure for 1 hour <br />CHAMBER: Sensor Chamber Temperature <br />Carnegie Mellon Research Institute 4400 Fifth Ave. Pittsburgh, PA 15213 <br />