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State Water Resources Control Board http://www.waterboards.ca.gov/ust/leak_prevention/Igi 13/vendors/xerxes_b.shtml <br /> Horne >>Ust-N,Leak Prevention •>>Lgl13 >>Vendors <br /> UST Programs - LG 113... ........_........................... <br /> _.. ..... ................. <br /> Issue Date:October 19,2007 <br /> Revision Date:June 27,2011 <br /> Xerxes Corp. <br /> Xerxes Trucheck Continuous Leak Detection System <br /> CONTINUOUS INTERSTITIAL MONITORING METHOD(LIQUID FILLED) <br /> Certification: <br /> Certified as a continuous,brine-filled interstitial space leak detection system for tanks up to 30,000 gallons manufactured by Xerxes,Corp. <br /> Operating Principle: <br /> A Fluid reservoir is attached to the top of the tank and is open to the interstice through the bottom and is filled with a brine solution.The reservoir is equipped with an electronic probe to provide <br /> for low level and high level alarms. <br /> Alarm Conditions: <br /> The brine level is set at 5 inches above the low level alarm.The low level alarm will sound for reservoirs of 18, 24 or 36 inches diameter in 5,9 and 19 days respectively.Under average <br /> conditions,leaks of 0.009,0.015 or 0.032 gal/hr will trigger the low level alarm in 30 days for the same three reservoirs,respectively. If the brine level is originally higher than 5 inches above the <br /> low-level alarm point,the alarm time will be proportionally longer and the leak detection value in thirty days will be proportionally longer. <br /> Applicability: <br /> Xerxes Corp. underground double-walled storage tanks as specified above containing gasoline,gasohol,diesel,heating oil #2,kerosene,aviation fuel,or motor oil.Other liquids may be stored <br /> after consultation with the manufacturer. <br /> Manufacturer's Specifications: <br /> Fluid in reservoir must be filled to proper level. <br /> Comments: <br /> The method must be used with a dual-point sensor system that will properly fit into the reservoir,is compatible with the interstitial liquid,and is on the NWGLDE list. <br /> Xerxes Corp. Evaluator: Robert Plunkett,Ph.D. <br /> 7901 Xerxes Ave. <br /> Tel: (612)338-0945 <br /> Minneapolis, MN 55431 Dates of Evaluation: 01/07/93,03/28/05 <br /> Tel: (952)887-1890 <br /> 1 HpMg l Vendors:A-F I Vendors:G-M 1 Vendors: N-S I Vendors:T-Z I Method index l <br /> 1 of 2 10/25/2013 12:54 PM <br />