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MAY 12 197 12 : 16 FROM UEEDER-ROOT SERVICE TO 915104205896 PAGE . 003/008 <br /> Name of ATGS TLS Series 2QQL400 Monilgring SystemswithC$Q- <br /> Version a472-Cagagijpnce Probe/8473 -Agj2gjQEjricTivgj Prgh2 <br /> Test Conditions During Evaluation (continued) <br /> The tanks had various monthly throughputs: <br /> Percentile of Records - 25 50 (median) 75 Maximum <br /> Monthly throughput-(gallons) 1 10,373 35,816 66,059 227,559 <br /> The data included 1A records during hot weather months. <br /> 12 records during mild weather months. <br /> 16 records during cold weather months. <br /> The temperature difference between product added to fill the tanks and product already in the <br /> tank ranged from OF to 15.3 OF, with a standard deviation of 4,8OF. <br /> The tests were conducted with the tank product levels ranging from ___5yo to Q2.56 <br /> full. <br /> Limitations on the Results <br /> The performance estimates above are only valid when: <br /> 9 The method has not been substantially changed. <br /> 0 The vendor's instructions for installing and operating the ATGS are followed. <br /> 0 The tank contains a product identified on the method description form. <br /> 0 The tank is no larger than _j_k,000 gallons. <br /> 0 The data records cover 0 — days or more. (See Below) <br /> 0 The method is based on a single (non-manifolded) tank. <br /> * Other limitations specified by the vendor or determined during testing: <br /> *The r2ouired data length depends on the throughout and is determined by the fijatgtLical <br /> aloorilhm. The data len gtb ranged from 7 dans to 2 ) days in the cyalugtion- <br /> Ib2-method tests the tank below the liquid product level. <br /> > Safety disclaimer: This test procedure only addresses the issue of the method's ability to <br /> detect leaks. It does not test the equipment for safety hazards. <br /> ATGS - CSLD Method Results Form Pana 9 of A <br />