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SWRCB,January 2002 Page_2_of—8- <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:+/-0.002" <br /> g�' Tank#87(1) Tank#87(2)191 Tank# Tank# <br /> Is Tank Exempt From Testing?' ❑ Yes ®No ❑Yes ®No ❑ Yes ❑No ❑ Yes ❑ No <br /> Tank Capacity: 20,000 20,000 <br /> Tank Material: FIBERGLASS FIBERGLASS <br /> Tank Manufacturer: XERXES XERXES <br /> Product Stored: 87 87/91 <br /> Wait time between applying <br /> pressure/vacuum/water and 10 MIN 10 M I N <br /> starting test: <br /> Test Start Time: 10:00 AM 10:00 AM <br /> Initial Reading(RI): 10" 10" <br /> Test End Time: 11:00 AM 11:00 AM <br /> Final Reading(RF): 10" 10" <br /> Test Duration: 2 HR 2 HR <br /> Change in Reading(RF-Rj): 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? ®Yes ❑No ❑NA ®Yes [:]No ❑NA ❑Yes [:]No ❑NA ❑Yes ❑No ❑NA <br /> Was sensor properly replaced and <br /> verified functional after testing? ®Yes [:1No El 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 ARE A SPLIT 20,000 GALLON TANK WITH A SHARED TANK 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)) <br />