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FROM (TUE) JUN 2 2009 18:20/ST. 18: 16/No. 6801210790 P 6 <br /> LEAK E,; v DETECTION <br /> �� <br /> ' E t, 1`1 N .-. Cl* 1 rE S. LLC <br /> sr <br /> 14001i.ast Paseo Pavan • 'Tucson, ;, 'z 85715 • Phone 520.207.4$7$ • F.1\: 520.990.8965 <br /> www.l.xak1)e rccn.ner <br /> iii. Utilizing the sampling ports that are installed in the soil vapor samples are <br /> extracted from the sampling ports and analyzed for the presents of the chemical <br /> marker. <br /> iv. If either the second or third chemical maker is found in the soil vapor sample a <br /> leak is declared and the leak location will be identified. <br /> 6. Single Wall Containment Testing: <br /> a. As in a double wall test;sampling ports are installed in the soil. <br /> b. If a leak is present,the chemical marker will exit the primary containment and enter into <br /> the surrounding soil. <br /> c. Soil vapor samples are extracted from the soil sampling ports and analyzed 1br the <br /> presence of the second chemical marker. <br /> d. If the chemical marker is found, a leak is declared and the location of the leak will be <br /> identified. <br /> 7. Spill Bucket Testing: <br /> a. Spill Buckets are hydro-statically tested. A loss in water level indicates a leak within <br /> the spill bucket. <br /> b. If a leak is detected the contractor will be required to repair the spill bucket. <br /> Reporting: <br /> 1. Reports consist of a two page written document summarizing the data collected at each site, by <br /> system, certifying each system individual Owners; contractors, inspectors and regulators are <br /> invited to contact LDT for specifications regarding MDl &� 4 test methods. <br /> References: <br /> 2. For a copy of the National Work Group on Leak Detection Evaluations (NWGLDE) see: <br /> I.tT://U,akQgtectnot/docs/NWGLDE Listin%pdf <br /> 3. For a copy of the California State Water Resources Control Board approved see: <br /> hgp/iLeakl)etectnet/does/SWRCB Listinnpdf <br /> Direct all questions to: <br /> David Rabb <br /> VP of Business Development <br /> Leak Detection Technologies,LLC <br /> 1400 Paseo Pavon <br /> Tucson, A7.85718 <br /> Office 520-207-4878 <br /> Fax 520-509.3720 <br /> Drrvid&bbQ,,Lc Detect net <br /> www.LeakDetect.net <br /> Aurhor 1.7avid Babb 3of 3 <br />