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R <br />JUL 17 2018 <br />SWRCB, January 2002 Page <br />ENVIRONMENTAL <br />,-. �1 T�4 rFPNPTNIENT <br />4. TANK ANNULAR TESTING <br />of <br />Test Method Developed By: X Tank Manufacturer Industry Standard ❑ Professional Engineer <br />❑ Other (Spec) <br />Test Method Used: ❑ Pressure X Vacuum ❑ Hydrostatic <br />❑ Other (Spec) <br />Test Equipment Used: Gast Vacuum Pump/Vacuum Gauge <br />Tank # 1&2 <br />Is Tank Exempt From Testing?No <br />in Hg. Equipment Resolution: -'h" x -30" Hg. <br />Tank # <br />Tank # <br />Tank # <br />Tank Capacity: <br />20K Split 15/5 <br />Tank Material: <br />Glass/Steel <br />Tank Manufacturer: <br />Modern Welding <br />Product Stored: <br />Regular 87/Super 91 <br />Wait time between applying <br />vacuum and starting test: <br />10 Minutes <br />Test Start Time: <br />11:40 <br />Initial Reading (RI): <br />-10" Hg. <br />Test End Time: <br />12:40 <br />Final Reading (RF): <br />-10" Hg. <br />Test Duration: <br />I Hour <br />Change in Reading (RF-Ri): <br />0" Hg. <br />Pass/Fail Threshold or Criteria: <br />No loss in Hg. <br />Test Result: <br />Pass <br />Was sensor removed for testing? <br />Yes <br />Was sensor properly replaced and <br />verified functional after testing?. <br />Yes <br />Comments — (include information on repairs made prior to testing, and recommended follow-up for failed 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 />