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4. TANK ANNULAR TESTING <br /> Test Method Developed By: ❑ Tank Manufacturer ® Industry Standard ❑ Professional Engineer <br /> ❑ Other (Specify) <br /> Test Method Used: ❑ Pressure ® Vacuum ❑ Hydrostatic <br /> ❑ Other (Specify) <br /> Test Equipment Used: Vacuum Guage Equipment Resolution: 0.00 PSI <br /> Tank # 87 Master Tank # 87 Syphon Tank# 91 Tank# <br /> Is Tank Exempt From Testing?' ElYes ® No ElYes ® No ElYes ® No 0 Yes Q No <br /> Tank Capacity: 12,000 12,000 12,000 <br /> Tank Material: Fiberglass Fiberglass Fiberglass <br /> Tank Manufacturer: Unknown Unknown Unknown <br /> Product Stored: 87 87 91 <br /> Wait time between applying <br /> pressure/vacuum/water and 10 min 10 min 10 min <br /> starting test: <br /> Test Start Time: 10:45 am 10:45 am 10:45 am <br /> Initial Reading (R,): -5" hg -5" hg -5" hg <br /> Test End Time: 11:45 am 11:45 am 11:45 am <br /> Final Reading (RF): -5" hg -5" hg -S" hg <br /> Test Duration: 1 Hour 1 Hour 1 Hour <br /> Change in Reading (RF-R,): 0 psi 0 psi 0 psi <br /> Pass/Fail Threshold or Criteria: 0 psi 0 psi 0 psi <br /> Test Result: ® Pass Fail ® Pass ❑ Fail ® Pass ❑ ❑ Pass ❑ Fail <br /> Fail <br /> Was sensor removed for ® Yes ❑ No <br /> ® Yes ❑ No❑ NA ®Yes❑ No❑NA ❑ Yes ❑ No❑ <br /> testing? NA NA <br /> Was sensor properly replaced <br /> and verified functional after ®Yes ❑ No❑ NA ® Yes ❑ No❑ NA ® Yes❑ No❑NA ❑Yes❑ No❑ NA <br /> testing? <br /> Coments — (include information on repairs made prior to testing, and recommended follow-up for failed <br /> tests) <br />