D.C. Municipal Regulations (Last Updated: September 13, 2017) |
Title 20. ENVIRONMENT |
Chapter 20-60. UNDERGROUND STORAGE TANKS - RELEASE DETECTION |
Section 20-6000. GENERAL PROVISIONS
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6000.1Each owner or operator of a new or existing UST system shall provide a method, or combination of methods, of release detection that meets the requirements of this section.
6000.2In choosing a release detection method, the owner or operator shall consult the manufacturer's certification of performance data to ensure the suitability of the chosen methods.
6000.3The owner or operator of each UST system shall comply with the release detection requirements for all pressurized piping set forth in § 6004.
6000.4If the owner or operator of any existing UST system cannot apply a method of release detection that complies with the requirements of this chapter, the owner or operator shall complete the closure requirements of Chapter 61.
6000.5In complying with the requirements of this chapter, owners and operators may use a code of practice developed by a nationally recognized association or independent testing laboratory, as specified by the Director.
6000.6Each release detection system shall be capable of detecting a release from any portion of the tank and the connected underground piping that contains or conveys a regulated substance.
6000.7Each release detection system shall be installed, calibrated, operated, and maintained in accordance with the manufacturer's instructions, including routine maintenance and service checks for operability or running condition.
6000.8Each release detection system shall meet the applicable performance requirements for the particular system set forth in §§ 6004 through 6013.
6000.9Any performance claims made for a release detection system shall be stated in writing by the equipment manufacturer or installer. Each claim shall include a description of the manner in which the claim was derived or tested.
6000.10Each release detection method or system, except for systems permanently installed on or before December 22, 1990, shall be capable of detecting the leak rate or quantity specified for the applicable method in § 6006, 6007, 6008, or 6013, with a probability of detection of ninety-five one-hundredths (0.95) and a probability of false alarm of five one-hundredths (0.05).
6000.11The Director shall not approve a leak detection method or system that does not meet the requirements of this section, that presents a safety hazard, or for which there has been no performance data submitted proving the reliability of the testing method under normal installation and operating conditions.
6000.12When a release detection system does not perform in accordance with the manufacturer's performance requirements or in accordance with the requirements of this Chapter, the owner or operator shall repair or replace the release detection system within forty-five (45) days in accordance with the provisions of this Chapter, unless an alternate release detection system that complies with the requirements of this Chapter is in use.
6000.13The owner or operator shall notify the Director within twenty-four (24) hours of the expiration of the forty-five (45) day period set forth in § 6000.12 if the release detection system is not repaired or replaced and comply with the temporary closure requirements set forth in § 6100, unless an alternate release detection system that complies with the requirements of this Chapter is in use.
6000.14 When a release detection method operated in accordance with the performance standards of §§ 6004 through 6012 indicates that a release may have occurred, the owner or operator shall notify the Director, in accordance with the provisions of Chapter 62.
6000.15An owner or operator of a heating oil tank having a capacity of one-thousand-one-hundred (1,100) gallons or more shall be required to provide release detection only for a UST which is fifteen (15) years old or older as set forth in § 5503.
6000.16An owner or operator of a UST system that stores fuel for use by an emergency generator and is fifteen (15) years or older shall provide release detection for the UST system as set forth in § 5505.