Ala. Admin. Code r. 335-3-19-.01 - Definitions
(1) For the
purposes of this Chapter and rules
335-3-10-.02(75) and
335-3-10-.02(76) only, the following words and phrases, unless a different meaning is plainly
required by the content, shall have the following meanings.
(a)
"Active collection
system" means a gas collection system that uses gas mover
equipment.
(b)
"Active landfill" means a landfill in
which solid waste is being placed or a landfill that is planned to accept waste
in the future.
(c)
"Closed area" means a separately
lined area of an MSW landfill in which solid waste is no longer being placed.
If additional solid waste is placed in that area of the landfill, that landfill
area is no longer closed. The area shall be separately lined to ensure that the
landfill gas does not migrate between open and closed areas.
(d)
"Closed
landfill" means a landfill in which solid waste is no
longer being placed, and in which no additional solid wastes will be placed
without first filing a notification of modification as prescribed under §
60.7(a)(4), 40 CFR. Once a notification of modification has been filed, and
additional solid waste is placed in the landfill, the landfill is no longer
closed.
(e)
"Closed landfill subcategory" means a
closed landfill that has submitted a closure report as specified in rule
335-3-19-.03(6)(e) on or before September 27, 2017.
(f)
"Closure" means that point in time
when a landfill becomes a closed landfill.
(g)
"Commercial solid
waste" means all types of solid waste generated by
stores, offices, restaurants, warehouses, and other nonmanufacturing
activities, excluding residential and industrial wastes.
(h)
"Controlled
landfill" means any landfill at which collection and
control systems are required under this Chapter as a result of the nonmethane
organic compounds emission rate. The landfill is considered controlled at the
time a collection and control system design plan is submitted in compliance
with rule
335-3-19-.03(1)(d)2.(i).
(i)
"Corrective action
analysis" means a description of all reasonable interim
and long-term measures, if any, that are available, and an explanation of why
the selected corrective action(s) is/are the best alternative(s), including,
but not limited to, considerations of cost effectiveness, technical
feasibility, safety, and secondary impacts.
(j)
"Design
capacity" means the maximum amount of solid waste a
landfill can accept, as indicated in terms of volume or mass in the most recent
permit issued by the Department, plus any in-place waste not accounted for in
the most recent permit. If the owner or operator chooses to convert the design
capacity from volume to mass or from mass to volume to demonstrate its design
capacity is less than 2.5 million megagrams or 2.5 million cubic meters, the
calculation must include a site-specific density, which must be recalculated
annually.
(k)
"Disposal facility" means all
contiguous land and structures, other appurtenances, and improvements on the
land used for the disposal of solid waste.
(l)
"Emission rate
cutoff" means the threshold annual emission rate to which
a landfill compares its estimated emission rate to determine if control under
the regulation is required.
(m)
"Enclosed combustor" means an
enclosed firebox which maintains a relatively constant limited peak temperature
generally using a limited supply of combustion air. An enclosed flare is
considered an enclosed combustor.
(n)
"Flare" means an open combustor
without enclosure or shroud.
(o)
"Gas mover equipment" means the
equipment (i.e., fan, blower, compressor) used to transport landfill gas
through the header system.
(p) "
Gust" means the highest instantaneous wind speed that
occurs over a 3-second running average.
(q)
"Household
waste" means any solid waste (including garbage, trash,
and sanitary waste in septic tanks) derived from households (including, but not
limited to, single and multiple residences, hotels and motels, bunkhouses,
ranger stations, crew quarters, campgrounds, picnic grounds, and day-use
recreation areas). Household waste does not include fully segregated yard
waste. Segregated yard waste means vegetative matter resulting exclusively from
the cutting of grass, the pruning and/or removal of bushes, shrubs, and trees,
the weeding of gardens, and other landscaping maintenance activities. Household
waste does not include construction, renovation, or demolition wastes, even if
originating from a household.
(r)
"Industrial solid waste" means solid
waste generated by manufacturing or industrial processes that is not a
hazardous waste regulated under Subtitle C of the Resource Conservation and
Recovery Act. Such waste may include, but is not limited to, waste resulting
from the following manufacturing processes: electric power generation;
fertilizer/agricultural chemicals; food and related products/by-products;
inorganic chemicals; iron and steel manufacturing; leather and leather
products; nonferrous metals manufacturing/foundries; organic chemicals;
plastics and resins manufacturing; pulp and paper industry; rubber and
miscellaneous plastic products; stone, glass, clay, and concrete products;
textile manufacturing; transportation equipment; and water treatment. This term
does not include fly ash waste, bottom ash waste, boiler slag waste, or flue
gas emission control waste which result from the combustion of coal or other
fossil fuels at electric or steam generating plants. Additionally, this term
does not include mining waste or oil and gas wastes, or small quantity
generator waste as defined in ADEM Admin. Code r.
335-14-2-.01(5).
Uncontaminated concrete, soil, brick, rock, and similar materials are excluded
from this definition.
(s)
"Interior Well" means any well or
similar collection component located inside the perimeter of the landfill
waste. A perimeter well located outside the landfilled waste is not an interior
well.
(t)
"Landfill" means an area of land or
an excavation in which wastes are placed for permanent disposal, and that is
not a land application unit, surface impoundment, injection well, or waste pile
as those terms are defined under ADEM Admin. Code r.
335-13-1-.03.
(u)
"Lateral
expansion" means a horizontal expansion of the waste
boundaries of an existing MSW landfill. A lateral expansion is not a
modification unless it results in an increase in the design capacity of the
landfill.
(v) "
Leachate recirculation" means the practice of taking
the leachate collected from the landfill and reapplying it to the landfill by
any of one of a variety of methods, including pre-wetting of the waste, direct
discharge into the working face, spraying, infiltration ponds, vertical
injection wells, horizontal gravity distribution systems, and pressure
distribution systems.
(w) "
Modification" means an increase in the permitted
volume design capacity of the landfill by either lateral or vertical expansion
based on its design capacity as of July 17, 2014. Modification does not occur
until the owner or operator commences construction on the lateral or vertical
expansion.
(x)
"Municipal solid waste landfill" or
"MSW landfill" means an entire
disposal facility in a contiguous geographic space where household waste is
placed in or on land. An MSW landfill may also receive other types of RCRA
Subtitle D wastes (ADEM Admin. Code r.
335-13-1-.03) such as
commercial solid waste, nonhazardous sludge, conditionally exempt small
quantity generator waste, and industrial solid waste. Portions of an MSW
landfill may be separated by access roads. An MSW landfill may be publicly or
privately owned. An MSW landfill may be a new MSW landfill, an existing MSW
landfill, or a lateral expansion.
(y) " Municipal solid waste
landfill emissions" or " MSW landfill
emissions" means gas generated by the decomposition of organic
waste deposited in an MSW landfill or derived from the evolution of organic
compounds in the waste.
(z)
"NMOC" means nonmethane organic
compounds, as measured according to the provisions of rule
335-3-19-.03(3).
(aa)
"Nondegradable
waste" means any waste that does not decompose through
chemical breakdown or microbiological activity. Examples are, but are not
limited to, concrete, municipal waste combustor ash, and metals.
(bb)
"Passive collection
system" means a gas collection system that solely uses
positive pressure within the landfill to move the gas rather than using gas
mover equipment.
(cc) "
Root cause analysis" means an assessment conducted
through a process of investigation to determine the primary cause, and any
other contributing causes, of positive pressure at a wellhead.
(dd)
"Sludge" means any nonhazardous
solid, semisolid, or liquid waste generated from a municipal, commercial, or
industrial wastewater treatment plant, water supply treatment plant, or air
pollution control facility, exclusive of the treated effluent from a wastewater
treatment plant.
(ee)
"Solid waste" means any garbage or
rubbish, construction/demolition debris, ash, sludge from a wastewater
treatment plant, water supply treatment plant, or air pollution control
facility and other discarded material, including solid, liquid, semisolid, or
contained gaseous material resulting from industrial, commercial, mining, and
agricultural operations, and from community activities or materials intended
for or capable of recycling, but which have not been diverted or removed from
the solid waste stream. The term "solid waste" does not include recovered
material, solid or dissolved material in domestic sewage, or solid or dissolved
materials in irrigation return flows or industrial discharges that are point
sources subject to National Pollutant Discharge permits under the Federal Water
Pollution Control Act
33 U.S.C.
1342, as amended, or source, special nuclear,
or by-product material as defined by the Atomic Energy Act of 1954, as amended
(42 U.S.C.
2011
et seq.). Also
excluded from this definition are wastes from silvicultural operations, land
application of crop residues, animal residues, animal manure and ash resulting
exclusively from the combustion of fossil fuels or wood during normal
agricultural operations or mining refuse as defined and regulated pursuant to
the Alabama Mining Act.
(ff)
"Sufficient density" means any
number, spacing, and combination of collection system components, including
vertical wells, horizontal collectors, and surface collectors, necessary to
maintain emission and migration control as determined by measures of
performance set forth in this Chapter.
(gg)
"Sufficient
extraction rate" means a rate sufficient to maintain a
negative pressure at all wellheads in the collection system without causing air
infiltration, including any wellheads connected to the system as a result of
expansion or excess surface emissions, for the life of the blower.
(hh) " Treated landfill
gas" means landfill gas processed in a treatment system as defined
in this rule.
(ii) "
Treatment system" means a system that filters,
de-waters, and compresses landfill gas for sale or beneficial use.
(jj) " Untreated landfill
gas" means any landfill gas that is not treated landfill
gas.
Notes
Author: Ronald W. Gore
Statutory Authority: Code of Ala. 1975, §§ 22-28-14, 22-22A-5, 22-22A-6, 22-22A-8.
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