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SWRCB,January 2002 Page_of <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: X Tank Manufacturer D Industry Standard D Professional Engineer <br /> ❑Other(Specify) <br /> Test Method Used: D Pressure X Vacuum D Hydrostatic <br /> D Other(Specify) <br /> Test Equipment Used: Gast Vacuum Pump/Vacuum Gauges in Hg. Equipment Resolution: -1/2-30Hg. <br /> Tank#1 Tank#2 Tank# Tank# <br /> Is Tank Exempt From Testing?' D Yes x No D Yes x No D Yes D No D Yes D No <br /> Tank Capacity: 12K 12K <br /> Tank Material: Jacketed DW Steel Jacketed DW Steel <br /> Tank Manufacturer: Modem Welding Modern Welding <br /> Product Stored: Diesel Diesel <br /> Wait time between applying 30 Minutes 30 Minutes <br /> vacuum and starting test: <br /> Test Start Time: 8:55 9:10 <br /> Initial Reading(R,): -10 Hg. -10 Hg. <br /> Test End Time: 9:55 10:10 <br /> Final Reading(RF): -10 Hg. -10 Hg. <br /> Test Duration: 1 Hour 1 Hour <br /> Change in Reading(RF-R,): 0 Hg. 0 Hg. <br /> Pass/Fail Threshold or Criteria: No loss in Hg. No loss in Hg. <br /> Test Result: X Pass D Fail X Pass D Fail D Pass D Fail ❑ Pass D Fail <br /> Was sensor removed for testing? X Yes D No D NA XYes D No DNA D Yes D No DNA []Yes D No DNA <br /> Was sensor properly replaced and <br /> verified functional after testing?. XYes []No DNA XYes ❑No [INA ❑Yes ❑No ❑NA ❑Yes ❑No [INA <br /> Comments—(include information on repairs made prior to testing, and recommended follmv-up forfailed tests) <br /> ' Secondary containment systems where the continuous monitoring automatically monitors both the primary and secondary <br /> containment,such as systems that are hydrostatically monitored or under constant vacuum,are exempt from periodic containment <br /> testing. {California Code of Regulations,Title 23,Section 2637(a)(6)) <br />