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LLC <br /> Exclusive Providers for MDleak® and PHDleakT" Technologies <br /> 1400 East Pasco Pavon Tucson, AZ 85718 Phone 520 . 207 . 4878 FAX: 520 . 990 . 8965 \vww.LeakDetect. net <br /> e . If the Chemical Marker/Tracer is found in the secondary containment sample a leak is <br /> declared and the leak location will be identified. <br /> 4 . Tank Testing : <br /> a . During the day of testing the primary tank is to be maintained closed from the atmosphere <br /> b . Dry interstice tanks primaries are inoculated first <br /> i . Sampling of the tank interstice is performed for the chemical marker . <br /> c . Wet interstice tanks REQUIRE all liquids to be removed from the tank primary 72 -hours <br /> before testing can begin . No liquid can be added or removed to the tank interstice during <br /> the 72 -hour period . <br /> 5 . Spill Bucket Testing : <br /> a . Spill Buckets are pneumatically tested . A leak rate is calculated and could indicate a leak <br /> within the spill bucket . <br /> b . If a leak is detected the contractor will be directed to the leak and a repair of the spill bucket <br /> will be completed . <br /> Reporting : <br /> 1 . Reports consist of a two -page written document summarizing the data collected at each site . <br /> 2 . Each component in the system is listed and certified individual . <br /> 3 . Owners , contractors , inspectors and regulators are invited to contact LDT for specifications <br /> regarding MDleak® test methods . <br /> References : <br /> 1 . For a copy of the EPA National Work Group on Leak Detection Evaluations (NWGLDE) see : <br /> MDleak® http : //www . EPA_NWGLDE_MDleak <br /> MC1eal, "' http : //www . EPA NWGLDE_MCleak <br /> 2 . For a copy of the California State Water Resources Control Board (CWRCB ) approval see : <br /> MDleak@ https : //www . Califonia_SWRCB MDleak <br /> 3 . MClealcT" httos : //www . California_SWRCB MCleak <br /> Direct all questions to : <br /> David Rabb <br /> Leak Detection Technologies , Inc . <br /> Toll Free 855 -255 -LEAK ( 5325) ext- 700 <br /> Fax 520 - 509 - 3720 <br /> David . Rabbi LeakDetect . net <br /> www . LeakDetect . net <br /> Author David Rabb 7of 7 <br /> Version 191127 <br />