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SWRCB, January 2002 4. TANK ANNULAR TESTING Ll Page _2_ of _8_ Test Method Developed By: ❑ Tank Manufacturer ® Industry Standard F-1 Professional Engineer ❑ Other (Spec) Test Method Used: ❑ Pressure ® Vacuum ❑ Hydrostatic ❑ Other (Spec) Test Equipment Used: 0 — 30" VACUUM GAUGES Equipment Resolution: + / - 0.002" Tank # 87(1) Tank # 87(2) Tank # 91(3) Tank # Is Tank Exempt From Testing?' ❑ Yes ® No ❑ Yes ® No ❑ Yes ® No ❑ Yes ❑ No Tank Capacity: 12000 12000 10000 Tank Material: FIBERGLASS / STEEL FIBERGLASS / STEEL FIBERGLASS / STEEL Tank Manufacturer: MODERN WELDING MODERN WELDING MODERN WELDING Product Stored: 87 87 91 Wait time between applying pressure/vacuum/water and starting test: 10 MIN 10 MIN 10 MIN Test Start Time: 9:00 AM 9:00 AM 9:00 AM Initial Reading (RI): -10" -10" -10" Test End Time: 10:00 AM 10:00 AM 10:00 AM Final Reading (RF): -10" -10" -10" Test Duration: 1 HR 1 HR I HR Change in Reading (RF -RI): 0" 0" 0" Pass/Fail Threshold or Criteria: NO LOSS NO LOSS NO LOSS NO LOSS t«na&s ;�j Fail`"` PSS Fail®Pass ❑ EaI ❑'I�aS ©,1 Was sensor removed for testing? ® Yes ❑ No ❑ NA ® Yes [:]No ❑NA ® Yes ❑ No ❑ NA ❑ Yes ❑ No ❑ NA Was sensor properly replaced and verified functional after testi ? ®Yes El No ❑ NA ®Yes ❑ No [:1 NA ®Yes ❑ No ❑ NA ❑Yes ❑ No ❑ NA Comments — (include information on repairs made prior to testing, and recommended follow-up for failed tests) ' Secondary containment systems where the continuous monitoring automatically monitors both the primary and secondary containment, such as systems that are hydrostatically monitored or under constant vacuum, are exempt from periodic containment testing. (California Code of Regulations, Title 23, Section 2637(a)(6))