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Results of Third Party Standard Evaluation <br /> h <br /> r Point Sensor Liquid Contact Product Detectors <br /> This form documents the performance of the cable sensor liquid contact leak detection system described below. <br /> The evaluation was conducted by the equipment manufacturer or a consultant to the manufacturer according to the <br /> Third Party Procedures developed according to the U.S. EPA's 'Standard Test Procedure for Evaluating Leak <br /> Detection Methods: Liquid-Phase Out-of-Tank Product Detectors"1 <br /> Tank owners using this leak detection system should keep this form on file to prove compliance with the federal <br /> regulations. Tank owners should check with state and local agencies to verify that this form satisfies their <br /> requirements. <br /> Method Description - <br /> Name 350 Series UST Monitoring Systems- Models 1LS 350 (serial ffSeta 013) & TLS M <br /> Version with Interstitial Liauid Sensor for Steel Tanks (294321420) <br /> Vendor _ Veeder-Roof Environmental Products <br /> 125 Powder Forest Drive <br /> (street address) <br /> Simsbury. CT 06070-2003 (800) 873-3313 <br /> (city) (state) (zip) (phone) <br /> Detector output type: __K _Qualitative <br /> Detector operating principle: Electrical Conductivity Capacitance Change <br /> �. Interface Probe Product Permeable Product Soluble Thermal Conductivity <br /> Pressure Switch _Magnetic Switch Other (Moat Switcb) <br /> Detector sampling frequency: Intermittent _Continuous <br /> Evaluation Results <br /> The detector described above was tested for its ability to detect test liquids in contact with the <br /> point sensor. The following parameters were determined: <br /> • Detection Accuracy - The measure of sensor response to the presence of liquids. <br /> • Response Time - Amount of time the detector must be exposed to liquid before it responds. <br /> • Recovery Time - Amount of time that passes before the detector returns to its baseline reading <br /> after the test liquid is removed. <br /> - Lower Detection Limit - The smallest liquid concentration that the detector can reliably detect. <br /> • Product Activation Height - The height of liquid to cause sensor activation. <br /> • Specificity - Indicates the level of response, of the detector, to several different liquids. <br /> 1 Carnegie Mellon Research Institute. Test Procedures for Third Party Evaluation cif Leak Detection Methods- Point <br /> Sensor Liquid Gonta= Leak Detection systems: Final Report-November 11, 1991. <br /> Liquid Contact Product Detector-Results Form Page 1 of 2 <br />