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Sensor Name: Discriminating Interstitial Sensor (Used in a non -discriminating mode) <br />Version Number(s): 794380-341 <br />Evaluation Results <br />Note: If the test data can be presented in a more appropriate manner, the evaluator <br />may select to present the information below in a data table, which can be attached to <br />these forms. <br />Table 1. Results of the Evaluation <br />* Sensor was tested for its ability to alarm below 0.125 inches. <br />Specificity -This sensor will respond to any liquid after its threshold is exceeded. <br />Additional Limitations or Considerations - None <br />> Safety Disclaimer: This test procedure only addresses the issue of the methods <br />ability to respond to liquids. It does not test the equipment for safety hazards. <br />Certification of Results <br />I certify that the liquid level sensor was tested under conditions according to the <br />vendor's operating instructions. I also certify that the evaluation was performed using <br />methods described in the attached Alternative EPA Test Procedures for Liquid level <br />sensors, and that the results presented above are those obtained during the evaluation. <br />H. Kendall Wilcox, Ph.D., President <br />(printed name) <br />(signature) <br />November 1. 2000 <br />(date) <br />Ken Wilcox Associates. Inc. <br />(organization performing evaluation) <br />Grain Valley, MO 64029 <br />(city, state, zip) <br />(816) 443-2494 <br />(phone number) <br />Liquid Level Sensor - Results Form Page 2 of 2 <br />Product <br />Parameter <br />Water <br />Gasoline <br />Diesel <br />Threshold - Lower Detection Limit (inches) <br />< 0.125 <br />< 0.125 <br />< 0.125 <br />Precision - Standard Deviation (inches) <br />N/A* <br />N/A* <br />N/A* <br />Detection Time (minutes) <br />< 1 <br />< 1 <br />< 1 <br />Fall Time (minutes) <br />< 1 <br />< 1 <br />< 1 <br />* Sensor was tested for its ability to alarm below 0.125 inches. <br />Specificity -This sensor will respond to any liquid after its threshold is exceeded. <br />Additional Limitations or Considerations - None <br />> Safety Disclaimer: This test procedure only addresses the issue of the methods <br />ability to respond to liquids. It does not test the equipment for safety hazards. <br />Certification of Results <br />I certify that the liquid level sensor was tested under conditions according to the <br />vendor's operating instructions. I also certify that the evaluation was performed using <br />methods described in the attached Alternative EPA Test Procedures for Liquid level <br />sensors, and that the results presented above are those obtained during the evaluation. <br />H. Kendall Wilcox, Ph.D., President <br />(printed name) <br />(signature) <br />November 1. 2000 <br />(date) <br />Ken Wilcox Associates. Inc. <br />(organization performing evaluation) <br />Grain Valley, MO 64029 <br />(city, state, zip) <br />(816) 443-2494 <br />(phone number) <br />Liquid Level Sensor - Results Form Page 2 of 2 <br />