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 III. AMENDMENTS TO PART 257
EPA is proposing to add to Part 257 a notification
requirement applicable to owners and operators or industrial
solid waste disposal facilities (landfills, surface
impoundments, waste piles, and land application units) and
construction/demolition waste landfills. The owner or
operator of these facilities would be required to complete and
submit a form to the State and EPA that would include basic
information on facility type and location, waste type and
volume, and management practices, as well as limited exposure
data.
The proposal would exempt MSWLFs from the Part 257
Criteria; these facilities would be covered by the proposed
Part 258. In addition the proposal updates and Maximum
Contaminant Levels (MCLs) for the ground-water to include
MCLs established since the current criteria were promulgated.
IV.
SUMMARY OF THE NEW PART 258
A.
Subpart A -- General
Part 258 sets forth minimum national criteria for the
location, design operation, cleanup, and closure of new and
existing MSWLFs, including those receiving sewage sludge from
publicly owned treatment works (POTWs) and ash from MWC
facilities. The revised Criteria would apply to all new and
existing MSWLFs except those that close prior to the effective
date of the rule. Under the proposal, the revised Criteria
would be effective 18 months from when the Criteria revisions
are finalized.
B.
Subpart B -- Location Restrictions
In this Subpart, EPA has identified six types of
locations for NSWLFs that require special siting restrictions
and/or performance standards. These are:
! Proximity to Airports: New and existing MSWLF units
located within 10,000 feet of airports handling
piston-type aircraft would be required to be operated
in a manner that does not pose a bird hazard to
aircraft. (This requirement has not changed from Part
257.)
!
100-year Floodplains:
New and existing MSWLF
units located in the 100-year floodplain would
be prohibited from restricting the flow of the
100-year flood, reducing the temporary water
storage capacity of the floodplain, or
resulting in the washout of solid waste so as
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