For the purposes of this chapter, the following terms shall
have the meaning indicated in this chapter. The definitions set out in Iowa
Code section
455B301.
shall be considered to be incorporated verbatim in these rules.
"Alternative cover material" means a
substitute material or mix of materials that can be utilized in lieu of soil as
cover material at a sanitary landfill.
"Beneficial use" means a specific
utilization of a solid by-product as a resource, that constitutes reuse rather
than disposal, does not adversely affect human health or the environment, and
is approved by the department.
"Beneficial use determination" means a
written formal decision or rule issued by the department as approval for a
solid by-product to be utilized in a specific manner as a beneficial
use.
"Coal combustion by-product" means any solid
by-product produced by the burning of coal, by itself or in conjunction with
natural gas or other fossil fuel, which is suitable for disposal as solid waste
in a sanitary landfill. Examples include boiler slag, bottom ash, fly ash, and
flue gas desulfurization by-products from pollution control equipment. Coal
combustion by-products are also referred to as coal combustion residue.
"Cover material" means soil placed as daily,
intermediate, or final cover at a sanitary landfill.
"Fill material" means material that is used
to raise the elevation of, take up space in, or build up the level of the land.
For the purposes of this chapter, fill material is not considered subbase for
hard-surface road construction.
"Foundry sand" means a solid by-product from
the foundry industry that is derived from molding, core-making, and casting
cleaning processes that primarily contain sand, olivine, or clay and that is
suitable for disposal as solid waste in a sanitary landfill.
"High water table" is the position of the
water table which occurs in the spring in years of normal or above-normal
precipitation.
"Resource" means a solid by-product that can
provide greater benefit to the environment or human welfare in its beneficial
use as a safe and effective substitute for a raw material, fuel or energy
source, or natural resource, rather than being disposed of as a solid waste in
a sanitary landfill.
"Solid by-product" means a secondary
material or residual, produced or created by an industrial, commercial or
institutional process or activity, that has been source separated by the
generating entity and that would otherwise be disposed of as solid waste. Solid
by-products are composed of materials suitable for disposal as solid waste in a
sanitary landfill.
"Subbase for hard-surface road construction"
means material that is used in subsurface applications for the construction of
roads, including their shoulders, and parking lots that have hard surfaces such
as concrete or asphalt. For the purposes of this chapter, subbase for
hard-surface road construction is not considered fill material.
"Suitable for disposal as solid waste in a sanitary
landfill" means that the material is in compliance with all state and
federal rules and regulations pertaining to what may be disposed of in an Iowa
sanitary landfill. Such materials are at a minimum nonhazardous and
nonradioactive, are solid or semisolid, and do not contain free liquids
pursuant to the Paint Filter Liquids Test (Reference:
40 CFR
25828 .).
"Vector" means a carrier organism that is
capable of transmitting a pathogen from one organism to another. Vectors
include, but are not limited to, birds, rats and other rodents, and
insects.
"Water table" means the water surface below
the ground at which the unsaturated zone ends and the saturated zone
begins.
