COMPLIANCE INFO_1987-1998 - Laserfiche WebLink

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T9 CCR, TME 23, DIVISION 3, CHAPTER 16, UNDERGROUND STORAGE TANK REGULATIONS CCR, TME 23, DmsioN 3, CHAPTER 16, UNDERGROUND STORAGE TANK REGULATIONS leaking. If a leak is confirmed, the owner or operator shall comply with the %) J capable of detecting a release of 0.1 gallon per hour. The automatic t+ gauge shall generate hard copies of data as specified in release reporting requirements in Article 5 and shall replace, repair, upgrade, or close the tank in accordance with the applicable provisions of this chapter. ��f,1�,f subdivision (b)(1) above. In addition, manual inventory reconciliation LU w shall be conducted in accordance with section 2646 (except for (c) Visual monitoring of the exposed portion of a partially concealed underground t� b01) j subsection (bp. storage rink shall not relieve an owner or operator from monitoring the L bj" Statistical inventory reconciliation plus tank integrity testing - concealed portion of the tank using a non -visual monitoring method as ~ specified in section 2641. Statistical inventory reconciliation shall be conducted at tease once per Authority: Health and Safety Code 25299.3, 25299.7 L O Z a month in accordance with section 2646.1 and shall be capable of detecting a release of 0.2 gallon per hour. In addition, a tank integrity Reference: health and Safety Code 25292, 25293 test shall be conducted once every two years in accordance with section 2643.1. 2643. Non-Vlaud Rdcase Dele on Methods (4) Manual inventory reconciliation plus tank Integrity testing - (a) Non -visual quantitative release detection methods shall comply with the •; Manual inventory reconciliation shall be conducted at lease once per requirements of this section. Subsection (b) containmonitoring requirements month in accordance with section and shall be capable of for underground storage tanks; subsection (c) for prefsutized piping; subsection (d) for suction piping; and subsection (e) � r gravity -flow piping. r ho detecting a release of T.0 gallon per hour. In addition, a tank integrity test shall be conducted once per year in accordance with section Examples of release detection methods that may be used to meet the 2643.1. requirements of this section are in Appendix III. f (b) Quantitative release detection method used to monitor underground storage (5) Other test methods - tanks shall be conducted according to one of the methods ods listed in subdivisions Other equivalent test methods may be used following review by the (I) through (5) below: These quantitative monitorin methods shalt meet the State Water Board for compliance with this section and section requirements of section 2643(1) and shall be capable detecting release rates 2643(1). in this section with at least a 95 of detection and be in specified percent pability not more than a. 5 percent probability of false alarm.,I, (c) Piping that conveys hazardous substances under pressure shall monitored accordance with subdivision (c)(1), and either subdivision (2) or (3). (1) Automatic tank gauge ' (1) Monitoring shall be conducted at least hourly at any pressure: The test the tutkfac least once month monitoring method shall be capable of detecting a release equivalent The automatic tack gauge shall per to 3.0 gallons per hour defined pounds per square inch within after product delivery or when the tank is filled to within 10 percent one hour of its occurrence. The leak detection method shall restrict leaa of the highest operating, level during the pregious month and shall be or shut off the flow product through the piping ac trigger a visual capable of detecting a release of 0.2 gallon per hour. The automatic c and audible alarm if an unauthorized release occurs. If the use of an tank gauge shall generate a hard copy of all data reported including piping is intermittent, leak detection monitoring is required only at time and date, tank identification, fuel depth, water depth, the beginning or end of the period during which the piping is under temperature, liquid volume, and the duration of the test. Automatic pressure, but in any event there shall not be more than one hour tank gauge systems installed on or after January 1, 1995, shall also between the time the equipment initiates the test and detection of an generate a hard copy of the calculated leak rate and leak threshold. unauthorized release-, and, (2) Automatic tank gauge plus.manual inventory reconciliation -(2) Monitoring shalt be conducted at least monthly at any pressure. The monitoring method shalt be capable of detecting a minimum release The automatic tank gauge shall test the tank at least once per month when the product level in the tank is at least three feet and shall be _: ,. 4-5`.