25 Pa. Code § 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.
Notes
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