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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 />forms. <br />Table 1. Results of the Evaluation <br />Product <br />Parameter Brine <br />Threshold - Lower Detection Limit (inches) 0.793 <br />Precision - Standard Deviation (inches) 0.00184 <br />Detection Time (seconds) <15 <br />Fall Time (seconds) <15 <br />Specificity -This sensor will respond to any liquid after its threshold is exceeded but <br />testing was conducted only with brine <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 Ken Wilcox Associates, Inc. <br />(printed name) (organization performing evaluation) <br />Grain Valley, MO 64029 <br />(signature) (city, state, zip) <br />May 18, 2004 (816) 443-2494 <br />Liquid Level Sensor - Results Form Page 2 of 2 <br />PAGE 110