Delaware Code
Subchapter I. General Provisions
§ 7405. Registration by owner.

(a) Underground storage tank owners shall register the following on forms provided by the Department:

(1) Within 60 days after July 12, 1985, all new underground storage facilities used for storing regulated substances, at least 10 days prior to installation. Notice shall specify the date of installation, location, type of construction, size of tanks to be installed and the type of substance to be stored.
(2) All existing underground storage facilities, used for storing regulated substances, within 180 days of July 12, 1985; provided, however, that existing heating fuel tanks of greater than 1,100 gallon capacity shall be registered within 180 days of July 20, 1988. Notice shall specify, to the extent known, the location, size, type of construction and age of tanks, and the type of substance stored.
(3) All abandoned or nonoperational underground storage tanks taken out of service after January 1, 1974. All underground storage tanks covered by this paragraph must be registered within 9 months of July 12, 1985 (unless the owner knows the tank was subsequently removed from the ground); provided, however, that abandoned or nonoperational heating fuel tanks of greater than 1,100 gallons capacity shall be registered within 180 days of July 20, 1988. Notice shall specify, to the extent known, the date taken out of operation, the location, size, type of construction and age of tank, and type of substance stored, and quantity of regulated substances left stored in such tank on the date taken out of operation.
(b) Within 30 days of July 12, 1985, the Department shall prescribe the form of the notice and the information to be included in the notification under paragraphs (a)(2) and (3) of this section.

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