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41 <br />Liquid Contact Product DeTector. TLS -350/300/300i Series UST Monitoring System <br />Version with Interstitial Liquid Sensor for Steel Tanks (0794390-420) <br />Evaluation Results (continued) <br />> Compiled Test Results for Qualitative Detector <br />Test Product Flow Rate: 0.12 t 0.003 gal/hr. <br />* Specificity Reference: Regular Unleaded Commercial Gasoline <br />Test Fuel <br />Product Activation Height - Calculated <br />Lower Detection Limit for 95% / 5% Condition <br />Product <br />Response <br />Detection <br />Activation <br />Time <br />Recovery <br />Accuracy <br />Height <br />at a Flow Rate of <br />Time <br />0.12 ± 0.003 al/hr <br />Accuracy and <br />Response Time <br />Regular Unleaded <br />1.42 f 0.03 in <br />6.51 t 0.06 min <br /><1 min <br />Commercial Gasoline <br />100% <br />(3.62 t 0.08 cm) <br />6 tests <br />Specificity <br />[104%]* <br />Synthetic Fuel <br />100% <br />1.48 t 0.02 in <br />5.85 t 0.11 min <br />< 1 min <br />3 tests <br />(3.77 t 0.06 cm) <br />[98%]* <br />Diesel Fuel <br />100% <br />1.39 t 0.02 in <br />5.81 t 0.05 min <br />< 1 min <br />3 tests <br />3.53 t 0.06 cm <br />[98%]* <br />Home Heating Oil #2 <br />100% <br />1.39 t 0.02 in <br />5.88 t 0.06 min <br />< 1 min <br />3 tests <br />3.53 t 0.06 cm <br />[87%]* <br />Water <br />100% <br />1.23 t 0.02 in <br />< 1 min <br />(3 tests) <br />(3.13 t 0.06 cm) <br />5.48 t 0.04 min <br />* Specificity Reference: Regular Unleaded Commercial Gasoline <br />Test Fuel <br />Product Activation Height - Calculated <br />Lower Detection Limit for 95% / 5% Condition <br />Regular Unleaded Commercial Gasoline <br />1.64 in (4.17 cm) <br />> Safety disclaimer: This test procedure only addresses the issue of the method's ability to <br />detect the presence of liquid product. It does not test the equipment for safety hazards. <br />Certification of Results <br />I certify that the point sensor liquid contact product detector was operated according to the vendor's instructions <br />and that the evaluation was performed according to the Third Party Procedures developed according to the U.S. <br />EPA's "Standard Test Procedure for Evaluating Leak Detection Methods: Liquid -Phase Out -of -Tank Product <br />Detectors."1 I also certify that the results presented above are those obtained during the evaluation. <br />Margaret Nasta. Ph. <br />(printed name) <br />gA <br />(signatur <br />ADril 22.1998 <br />(date) <br />Carnegie Mellon Research Institute ** <br />(organization performing evaluation) <br />Pi tsburgh. PA 15230 <br />(city, state, zip) <br />(412) 268,3475 <br />(phone number) <br />** Consultant to the Manufacturer <br />Liquid Contact Product Detector - Results Form Page 2 of 2 <br />