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SWRCB,January 2002 Page 2-of <br /> 4. TANK ANNULARTESTING <br /> Test Method Developed By: X Tank Manufacturer 0 Industry Standard 0 Professional Engineer <br /> 0 Other(Sped) <br /> Test Method Used: 0 Pressure X Vacuum 0 Hydrostatic <br /> 0 Other(Spec) <br /> Test Equipment Used. Gast Vacuum Pump/Vacuum Gauges in Hg. Equipment Resolution:-112-3014g. <br /> Tank#I Tank#2 Tank#3 'Tank# <br /> Is Tank Exempt From Testing?' 0 Yes x No 0 Yes x No 0 Yes x No 0 Yes 0 No <br /> Tank Capacity: IOK IOK 10K <br /> Tank Material: Fiberglass Fiberglass Fiberglass <br /> Tank Manufacturer: Owens Corning Owens Corning Owens Corning <br /> Product Stored: Diesel Super 91 Regular 87 <br /> Wait time between applying I Hour 1 Hour 1 Hour <br /> vacuum and starting test: <br /> Test Start Time: 10:20 10:30 10:40 <br /> Initial Reading(RO: -10 Hg. -10 Hg. -10 Hg. <br /> Test End Time: 11:20 11:30 11:40 <br /> Final Reading(RF): -10 Hg. -10 Hg. -10 Hg. <br /> Test Duration: 1 Hour 1 Hour 1 Hour <br /> Change in Reading(RF-RI): 0 Hg. 0 Hg. 0 Hg. <br /> Pass/Fail Threshold or Criteria: A -2 Hg. A -2 Hg. ➢ -2 Hg. <br /> Test Result: X Pass 0 Fail X Pass 0 Fail X Pass 0 Fail 0 Pass 0 Fail <br /> Was sensor removed for testing? Yes X No NA Yes X No NA Yes X No NA 0 Yes 0 No 0 NA <br /> Was sensor properly replaced and Yes No X NA Yes No X NAYes 0 No X NA 0 Yes 0 No 0 NA <br /> verified functional after testing?. <br /> Comments—(include information on repairs made prior to testing, and recommended follow-up for failed tests) <br /> Station Owner Patel states that a small amount of moisture was detected in Tank#1 Diesel Annular,during last Monitoring <br /> System Certification. Tank Monitor shows all functions normal,no measurable amount of moisture present at this time. <br /> After several attempts to remove any measureable liquid from bottom of Diesel Annular Space,no liquid was found <br /> Tank#1 Diesel Annular Passes a-10 Hg. Vacuum Test No loss in Vacuum during Test Period <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 />