Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0009 - Solid Waste Management
Chapter 7 - FINANCIAL ASSURANCE REQUIREMENTS
Section 7-2 - Closure and Post-Closure Cost Estimates
Universal Citation: WY Code of Rules 7-2
Current through September 21, 2024
(a) Along with the closure plan and post-closure plan required for a regulated facility, the operator must submit closure and post-closure estimates.
(i) An incinerator, resource recovery
facility, compost facility, or storage surface impoundment may omit the
post-closure cost estimate if onsite disposal of wastes or residues is not
planned or required.
(b) The closure cost estimate shall:
(i) Include
an itemized written estimate of the cost, in current dollars of completing all
work described in the closure plan;
(ii) Be based on the cost required for a
third-party contractor to complete the closure plan at the most expensive point
in the life of the facility. The Director may obtain additional cost estimates
from a third-party contractor to substantiate the accuracy of the estimated
costs; and
(iii) Account for the
following factors if applicable:
(A) The size
and topography of the site;
(B) The
daily or weekly volume of waste to be received at the site;
(C) Availability of cover and fill material
needed for site grading;
(D) The
type of waste to be received at the site;
(E) Disposal method and sequential disposal
plan;
(F) The location of the site
and the character of the surrounding area;
(G) Requirements for surface
drainage;
(H) Operation and
maintenance of the leachate collection and treatment system, and the off-site
disposal of leachate;
(I)
Environmental quality monitoring system;
(J) Structures and other improvements to be
dismantled and removed. Salvage values cannot be used to offset demolition
costs;
(K) Site storage capacity
for solid waste, incinerator residue and compost material;
(L) Off-site disposal requirements. Salvage
values cannot be used to offset waste removal costs;
(M) Vector control requirements;
(N) Cleaning of all solid waste management
units and equipment;
(O) A minimum
of fifteen percent variable contingency fee to cover other closure costs as
determined appropriate by the Director. and
(P) Any other relevant site-specific
factors.
(c) The post-closure cost estimate shall:
(i)
Include an itemized written estimate, in current dollars, of the cost of
completing all work described in the post-closure plan;
(ii) Be based on the cost required for a
third-party contractor to complete the work described in the post-closure plan.
The Director may obtain additional cost estimates from a third-party contractor
to substantiate the accuracy of the estimated cost; and
(iii) Account for the following factors if
applicable:
(A) The size and topography of the
site;
(B) The type and quantity of
waste received;
(C) Disposal method
and sequential disposal plan;
(D)
The potential for significant leachate production and the possibility of
contaminating water supplies;
(E)
Environmental quality monitoring systems;
(F) Soil conditions;
(G) The location of the site and the
character of the surrounding area;
(H) Planned inspections of
facility;
(I) A minimum of fifteen
percent contingency fee to cover other post-closure costs as determined
appropriate by the Director; and
(J) Any other relevant site-specific
factors.
(d) Closure and post-closure cost estimates shall be updated, revised, and submitted to the Director as specified in Section 13 of this Chapter.
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