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Modified Procedure <br />Results of ` Standard Evaluation <br />Liquid -Phase ProducDetectors <br />This form documents the performance of the liquid -phase product detector described below. The <br />evaluation was conducted by the equipment manufacturer or a consultant to the manufacturer <br />according to the U.S. EPA's "Standard Test Procedure for Evaluation Leak Detection Methods: <br />Liquid -Phase Out -of -tank Liquid Product Detectors". The modifications to the procedure were made <br />to accommodate the specialized requirements of interstitial monitors. <br />Tank owners using this leak detection system should keep this form on file to prove compliance with <br />the federal regulations. Tank owners should check with State and local agencies to make sure this <br />form satisfies their requirements. <br />,iii ;/• i <br />- • •- �_�111 �___ ; Ill !�•- -• • -!• !. • -r • <br />5800 Foxridge Drive <br />(street address) <br />Mission. KS 66202 (913) 831-5700 <br />(city) (state) (zip) (phone) <br />Detector output type: ( ) Quantitative (x) Qualitative <br />Detector operating principle: (X)Electrical Conductivity () Thermal Conductivity () Interface Probe <br />( ) Product Permeable () Product Soluble (X) Other Conductive lml=a <br />Detector sampling frequency: () Intermittent (X) Continuous <br />Evaluation Results <br />The detectors listed above were tested for their ability to detect a layer of liquid (hydrocarbon or <br />water) in a tank or a sump. The following parameters were determined: <br />Lower Detection Limit - The smallest product thickness that the detector can reliably detect. <br />Specificity - Whether or not the sensor responds to various products. <br />Precision - Agreement between multiple measurements of the same product level <br />Detection Time - Amount of time the detector must be exposed to product before it responds. <br />Liquid -Phase Product Detector - Modified Results Form <br />Page 1 of 3 <br />