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California Edition:June 1999 INCON Intelligent Controls,Inc. TS 1000/1001/2001 Incon LL2 Magnetostrictive Probe AUTOMATIC TANK GAUGING SYSTEM Certification: Leak rate of 0.2 gallons per hour with Pd=95.7%and Pfa=4.3%. Leak Threshold: 0.1 gph. A system should not be declared tight if the test result indicates a loss or gain that equals or exceeds this threshold. Applicability: Gasoline,diesel,aviation fuel and fuel oil#4. Other liquids may be tested after consultation with the manufacturer. Capacity: Maximum o00,000 gallons. Tanks less than 95%full may be tested. Minimum product level required based on tank diameter as follows: 48"dia/min 12";64"dia/min 14";72"dia/min 15";96"dia/min 17.5'; 126"dia/min.21.5". Waiting Time: Minimum of 4 hours 9 minute between delivery and testing. Minimum of 2 hours between dispensing and testing. There must be no delivery during waiting time. Test Period The length of the test is determined automatically based on quality of test data. Average data collection time during the evaluation was 6 hours, 51 minutes. Test data is acquired and recorded by a computer. Leak rate is calculated from data determined to be valid by statistical analysis. There must be no dispensing or delivery during the test. Temperature: Probe contains 5 thermistors to monitor product temperature.At least one thermistor must be submerged in product during testing. Water Sensor: Must be used to detect water ingress. Minimum detectable water level in the tank is 0.208 inches. Minimum detectable water level change is 0.011 inch. Calibration: Thermistors and probe must be checked and calibrated in accordance with manufacturer's instructions. Comments: This equipment was not evaluated using manifolded tanks. Tests only the portion of the tank containing product. As the product level is lowered,the leak rate in a leaking tank decreases(lower head pressure). Consistent testing at low levels could allow a leak to remain undetected. EPA leak detection regulations require testing of the portion of the tank system which routinely contains product. TS 1000 and 1001 can support up to 4 tanks.TS200Ican support up to 8 tanks. California regulations require at least one test per month after routine product delivery or when the tank is filled to within 10% of the highest operating level during the previous month. INCON Intelligent Controls,Inc. Evaluator:Ken Wilcox Associates 74 Industrial Park Rd. Tel:(816)443-2494 Saco,ME 04072 Tel:(800)872-3455 Date of Evaluation:05/14/98 Appearance on this list is not to be construed as an endorsement by any regulatory agency nor is it any guarantee of the performance of the method or equipment. Equipment should be installed and operated in accordance with all applicable laws and regulations. 152