§ 273.275. Leachate collection and storage.
(a) Impoundments or tanks for storing leachate before or during treatment shall be constructed under § § 285.122—285.124 (relating to storage tanks; impoundments—general; and impoundments—failure).
(b) An onsite leachate storage system shall be part of each leachate treatment method used by the operator. The storage system shall contain impoundments or tanks for storage of leachate. The tanks or impoundments shall have sufficient storage capacity at least equal to the maximum expected production of leachate for any 30-day period for the life of the facility estimated under § 273.162 (relating to leachate treatment plan), or 250,000 gallons, whichever is greater. No more than 25% of the total leachate storage capacity may be used for flow equalization on a regular basis.
(c) The impoundments or tanks shall be aerated as necessary to prevent and control odors. Impoundments or tanks shall each have a capacity of at least 250,000 gallons, unless otherwise approved by the Department.
(d) The storage capacity of impoundments and tanks at a site shall be increased if additional storage is required prior to each major phase of construction and as otherwise necessary.
(e) Leachate storage capacity may not be considered to include leachate that may have collected in or on the liner system.
(f) Necessary collection and containment systems shall be installed prior to the deposition of solid waste at the site. The leachate treatment or handling system approved by the Department under § 273.162 shall be installed or ready for use prior to the storage or disposal of solid waste at the site.
(g) For a facility permitted after December 23, 2000, underground pipes used for the transport of leachate from the liner system to the leachate storage impoundments or tanks shall be equipped with secondary containment or comply with § 245.445 (relating to methods for release detection for piping). Secondary containment shall be designed, constructed and installed to direct any release to an area that can be inspected for leaks.
Source The provisions of this § 273.275 amended December 22, 2000, effective December 23, 2000, 30 Pa.B. 6685. Immediately preceding text appears at serial pages (226220) and (255073).
Cross References This section cited in 25 Pa. Code § 271.113 (relating to closure plan); 25 Pa. Code § 273.162 (relating to leachate treatment plan); 25 Pa. Code § 273.271 (relating to scope); and 25 Pa. Code § 277.271 (relating to scope).
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