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Evaluation Results <br />Note: If the test data can be presented in a more appropriate manner, the evaluator may <br />select to present the information below in a data table, which can be attached to these <br />fo rm s. <br />Table 1. Results of the Evaluation for the Position -Sensitive Sensor 794380-323 <br />Parameter <br />Water <br />Diesel Fuel <br />Gasoline <br />Alarm Level (inches) <br />1.369 <br />1.377 <br />1.444 <br />Precision - Standard Deviation (inches) <br />0.0041 <br />0.0035 <br />0.0035 <br />Detection Time (minute) <br />< 1 <br />< 1 <br />< 1 <br />Fall Time (minute) <br />< 1 <br />< 1 <br />< 1 <br />Specificity — This sensor will respond to any liquid after its threshold is exceeded. <br />This testing included water, diesel fuel and gasoline <br />Additional Limitations or Considerations - Sensor alarms if it is raised from the bottom <br />of the containment vessel. <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 />April 9,2003 <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 1 of 1 <br />