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California Edition: June 1999 <br />Veeder-Root <br />TLS -350 / 350 PC / 35OR / 350RPC <br />Solid -State Pan/Sump Sensor (794380-321, -351), Piping Sump Sensor (794380-208, -209) <br />Micro Sensor (794380 340) <br />LIQUID -PHASE INTERSTITIAL DETECTOR <br />Detector: <br />Output type: qualitative <br />Sampling frequency: continuous <br />Operating principle: product permeable, ultrasonic/float switch <br />Test Results: <br />unleaded <br />Piping Sump Senso (794380-208, 209) <br />g asoline <br />diesel <br />water <br />3.03 <br />Min. product level (cm) <br />3.51 <br />0.011 <br />3.40 <br />0.011 <br />0.011 <br />Precision <br /><1 <br /><1 <br /><1 <br />Detection time (sec) <br />Solid -State Pan/Sump Sensor (794380-321, <br />-3 1) <br />2.60 <br />Minimum Product Thickness (cm) <br />2.50 50 <br />0.010 <br />0.60 <br />Precision <br /><1 <br /><1 <br /><1 <br />Detection Time (sec) <br />Micro Sensor (794380-340) <br />0.46 <br />0.48 <br />Minimum Product Thickness (cm) <br />0.51 <br />0.007 <br />0.007 <br />Precision <br />0.011 <br /><1 <br /><1 <br /><1 <br />Detection Time (sec) <br />Specificity Results: <br />unleaded gasoline, diesel fuel, 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 modified by evaluator from EPA's "Standard Test Procedures for Evaluation of <br />Leak Detection Methods: Liquid -Phase Out -of -Tank Product Detectors," March 1990 <br />Detector is reusable. <br />208 and 209 sensors are also compatible with 300 series. <br />Veeder-Root Evaluator: Ken Wilcox Associates, Inc. <br />125 Powder Forest Dr. Tel: (816) 443-2494 <br />Simsbury, CT 06070-2003 <br />Tel: (860) 651-2700 Dates of Evaluation: 10/20/94 <br />325 <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 />