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SWRCB,January 2002 Page_2_of—7- <br /> 4. TANK ANNULAR TESTING <br /> Test Method Developed By: ❑ Tank Manufacturer ® Industry Standard ❑ Professional Engineer <br /> ❑Other(Spec) <br /> Test Method Used: ❑ Pressure ®Vacuum ❑ Hydrostatic <br /> ❑Other(Spec) <br /> Test Equipment Used: 0-30"VACUUM GAUGES Equipment Resolution: .5% <br /> rnter : a a s, 2&1:- r, <br /> Tank#87(1) Tank#87(2)/91 Tank# Tank# <br /> Is Tank Exempt From Testing?' ❑Yes ®No ❑ Yes ®No ❑ Yes ❑No ❑ Yes ❑No <br /> Tank Capacity: 20000 20000 <br /> Tank Material: FIBERGLASS FIBERGLASS <br /> Tank Manufacturer: XERXES XERXES <br /> Product Stored: 87 87191 <br /> Wait time between applying <br /> pressure/vacuum/water and 10 MIN 10 MIN <br /> starting test: <br /> Test Start Time: 10:00 10:00 <br /> Initial Reading(R,): 10" 10" <br /> Test End Time: 12:00 12:00 <br /> Final Reading(RF): 10" 10" <br /> Test Duration: 2 HR 2 HR <br /> Change in Reading(RF-R,): 0 0 <br /> Pass/Fail Threshold or Criteria: NO LOSS NO LOSS NO LOSS NO LOSS <br /> Test Result: ®Pass ❑ Fail ® Pass ❑ Fail ❑Pass ❑ Fail ❑ Pass ❑ Fail <br /> Was sensor removed for testing? Elves ❑No [:INA ®Yes [-]No ❑NA [:]Yes ❑No ❑NA []Yes ❑No ❑NA <br /> Was sensor properly replaced and <br /> verified functional after testing? <br /> ®Yes ❑No ❑NA ®Yes [—]No ❑NA ❑Yes ❑No ❑NA ❑Yes [--]No ❑NA <br /> Comments-(include information on repairs made prior to testing, and recommended follow-up for failed tests) <br /> 87(2)AND 91 IS A DUAL COMPARTMENT/SPLIT TANK WITH A SINGLE SHARED ANNULAR SPACE <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)1 <br />