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Alternate Procedure <br /> Results of U . S . EPA Standard Evaluation <br /> Liquid - Phase Product Detectors <br /> This form documents the performance of the liquid - phase product detector described below . <br /> The evaluation was conducted by the equipment manufacturer or a consultant to the <br /> manufacturer according to the U . S . EPA' s " Standard Test Procedure for Evaluation Leak <br /> Detection Methods : Liquid - Phase Out-of4ank Liquid Product Detectors " . The modifications <br /> to the procedure were made to accommodate the specialized requirements of interstitial <br /> monitors . <br /> Tank owners using this leak detection system should keep this form on file to prove <br /> compliance with the federal regulations . Tank owners should check with State and local <br /> agencies to make sure this form satisfies their requirements . <br /> Method Description <br /> Console Model (s) : LC1000 Series LC2000 Series & 14 E -29 E -700- 1 LDE -700 LDE - <br /> 740 TMS3000 TMS2000 TMS2000W TMS4000W <br /> Sensor Model (s ) : LS600 Series LS600 -LD Series and LS610 Float Level Switches <br /> Vendor: Pneumercator Co . <br /> 120 Finn Court <br /> ( street address ) <br /> Farmingdale New York 11735 (631 ) 293-8450 <br /> (city) (state) (zip) ( phone) <br /> Detector output type : ( ) Quantitative ; (x) Qualitative <br /> Detector operating principle : ( ) Electrical Conductivity ; ( ) Thermal Conductivity ; <br /> ( ) Interface Probe ; ( ) Product Permeable ; ( ) Product Soluble ; (x) Other Float Level Switch <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 <br /> ( hydrocarbon or 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 (Standard <br /> dev . ) . <br /> Detection Time - Amount of time the detector must be exposed to product before it <br /> responds . <br /> Fall Time - Amount of time before the detector stops responding after being removed from <br /> the product . <br /> Liquid-Phase Product Detector — Data Tables Page 1 of 4 <br />