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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 20. ENVIRONMENT |
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Chapter 20-59. UNDERGROUND STORAGE TANKS - OPERATION AND MAINTENANCE OF USTS |
Section 20-5900. SPILL AND OVERFILL CONTROL
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5900.1Each owner, operator or a person-in-charge, as defined in § 7099.1, shall ensure that releases due to spilling or overfilling do not occur. In complying with the requirements of this section, owners, operators and persons-in-charge shall follow a code of practice developed by a nationally recognized association or independent testing laboratory, as specified by the Director.
5900.2Before each transfer is made, the owner, operator or the person-in-charge shall ensure that the volume available in the tank is greater than the volume of product to be transferred to the tank.
5900.3The owner, operator or the person-in-charge shall ensure that each transfer operation is monitored constantly to prevent overfilling and spilling and is performed in accordance with the UST manufacturer's specifications.
5900.4Where product is transferred by means of pressurized delivery, delivery nozzles shall be held open manually.
5900.5Where product is transferred by means of pressurized delivery a vent alarm device shall be installed within one (1) year of November 12, 1993; provided, that the tank is accessible and that said alarm can be installed without the need for excavation.
5900.6If the vent alarm indicates an obstruction to the vent, delivery shall be discontinued until the vent has been cleared.
5900.7The owner or operator shall ensure that the spill prevention equipment is kept clean and dry.
5900.8The owner or operator shall ensure that all fill lines for the UST system are clearly marked to indicate the size of the tank and the type of regulated substance stored. The owner or operator shall satisfy this requirement by one of the following methods:
(a)Installing a permanent tag or sign immediately adjacent to the fill pipes which states the size of the tank and the specific type of substance stored; or
(b)Applying a color code that conforms to the following requirements:
(1)Color markings in accordance with API 1637 "Product Identification", shall be painted or placed around the fill or manhole cover in a manner that will readily identify the regulated substance in the storage tank; or
(2)Regulated substances or products stored in USTs that are not listed in API 1637 may be identified with the standard industry or business color code for the corresponding substance or product; and
(3)The color code shall be painted on a sign not less than 8 x 10 inches with letters not less than 5/16 inch high, posted at the facility in a prominent location visible from the fill pipe area, and available for inspection at all times to show the size and type of regulated substance stored.
5900.9Pipes or other openings may not be marked in any way which could be associated with a regulated substance stored at the facility, unless the pipes or openings are used for the transfer of that substance.
5900.10The owner, operator or any other responsible party shall report, investigate, and clean up any spills and overfills, in accordance with the provisions of Chapter 62 of this Subtitle.