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WR -15-1997 13:03 *ON 10 207 292 9002 P.03 <br />Results of Third Party Standard Evaluation <br />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."l <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 IQ verify that this form satisfies their <br />requirements. <br />Name Tank- Senfinel(D Automatic Ta ik Gauce Sy5tem and Leak Qete��W-�M,' M- ­ <br />Version 11 Mgdels of the T5-10QOEFI Consgle with TSP-ElS Stgndard Sensor <br />Vendcr, lnjelliaentGontrgl% Inc, <br />P -0 -Box 538 <br />(street address) <br />Saco. Migine 04072 (SOM 533-8228 <br />(city) (state) (zip) (phone) <br />Detector output type: ­X_Qualitative <br />Detector operating principle: X Electrical Conductivity _Capacitance Change <br />—Interface Probe Product Permeable Product Soluble Thermal Conductivity <br />Pressure Switch _Magnetic Switch _X_Other C? to -elegy ri <br />Detector samLanguencx: —intermittent —X 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 10 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 />Carnegie Mellon Research institute. r , for <br />bird Part , :1 1 i 1, 1 i � S Leak <br />Ll k 0 b", ntinn kms= Final Report - November 11, 1991. <br />Page 1 of 2 <br />Liquid Contact Product Detector - Results Form <br />