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�- .Third -Party r• • ■ - - • O Product �etwrs This • tr documents the performance • : the liquid-phase ..i r..f productdetector described r r i Theevaluationwas conducted• the r rtl t manufactureror consultantto the manufacturer according is *RevisedStandardTest Procedure•.Evaluating Leak r ,. i Out -of -Tank Product Detectors."' Tank owners using this leak detection r should keep this form• o prove compliance federalwith the regulations. • owners should check with state and • agenciesto verify that this r satisfies their requirements. Method Description Name _ _ Mallory Controls Model Pollulert Probe FD221G/TRA / Control Unit FD103 Vendor __ 3029 E. Washington Street _ (street address) Indianapolis (city) IN 46206-0706 05*1115EFE WW iE- Detector output type: ❑ Quantitative ® Qualitative Detector Operating Principle: ® Electrical Conductivity ❑ Thermal Conductivity ❑ Interface F'-obe ❑ Product Soluble ❑ Other Detector sampling frequency: ❑ Intermittent ® Continuous Evaluation Results The detector described above was tested for its ability to detect layer of hydrocarbon liquid floating on water. The following parameters were determined. Accuracy- How closely the product thickness, as measured by the detector, agrees with the actual thickness. Bias- Whether the method consistently over-estimates or under -estimates product thickness. Not applicable to qualitative detectors. Detection Time- Amount of time the detector must be exposed to product before it responds. Fall Time- Amount of time that passes before the detector returns to its baseline reading after the product is removed. 'Radian Corporation. Development of Procedures to Assess the Performance of External leak Detection Devices: liquid -Phase ASTM -Formatted Methods. Draft Report. EPA Contract No. 68-03.3409. Work Assignment 22. June 29. 1990. Liquid -Phase Product Detector - Results Form Page 1 of 2