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• • �_ <br /> SWRCB,January 2002 <br /> 4. TANK ANNULAR TESTING NOV 10 2014 <br /> Test Method Developed By: X Tank Manufacturer ❑Industry Standard I.; Professional Engineer <br /> ❑Other(Specify) .-TI <br /> Test Method Used: ❑Pressure X Vacuum _ Hydrostatic ENT <br /> ❑Other(Spec) <br /> Test Equipment Used: Gast Vacuum Pump/Vacuum Gauges in Hg. Equipment Resolution:- '/3"x-301-1g. <br /> Tank#1 Tank#2 Tank#3 Tank#4 <br /> Is Tank Exempt From Testing?' No No No No <br /> Tank Capacity: 20K 1 OK 1 OK 2K <br /> Tank Material: Glass/Steel Glass/Steel Glass/Steel SteeVSteel <br /> Tank Manufacturer: Trusco Trusco Trusco Stockton Tank <br /> Product Stored: Clear Diesel Dyed Diesel Dyed Diesel Kerosene <br /> Wait time between applying 10 Minutes 10 Minutes 10 Minutes 10 Minutes <br /> vacuum and starting test: <br /> Test Start Time: 11:45 11:25 11:35 8:50 <br /> Initial Reading(R,): -10 Hg. -10 Hg. -10 Hg. -7 Hg. <br /> Test End Time: 1:45 12:25 12:35 9:50 <br /> Final Reading(RF): -10 Hg. -10 Hg. -10 Hg. -7 Hg. <br /> Test Duration: 2 Hours 1 Hour 1 Hour 1 Hour <br /> Change in Reading(RF-R,): 0 Hg. 0 Hg. 0 Hg. 0 Hg. <br /> Pass/Fail Threshold or Criteria: ➢ -1 Hg. ➢ -1 Hg. ➢ -1 Hg. ➢ -1 Hg. <br /> Test Result: Pass Pass Pass Pass <br /> Was sensor removed for testing? Yes Yes Yes Yes <br /> Was sensor properly replaced and Yes Yes Yes Yes <br /> verified functional after testin ? <br /> Comments—(include information on repairs made prior to testing and recommended follow-up forfailed tests) <br /> Tank#4 has an Annular Vent to atmosphere. Annular Vent Capped during testing. <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 />