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(77) Precipitation--Deposit on the land of rain, mist,
hail, sleet, or snow that falls on the ground under the action of
gravitational force.
(78) Process or processing--For the purposes of this
chapter, these terms shall have the same meaning as "treat" or "treatment."
(79) Public contact site--Land with a high potential
for contact by the public. This includes, but is not limited to, public
parks, ball fields, cemeteries, plant nurseries, turf farms, and/or
golf courses.
(80) Range land--Open land with indigenous vegetation.
(81) Reclamation site--Drastically disturbed land that
is reclaimed using sewage sludge, biosolids, or water treatment residuals.
This includes, but is not limited to, strip mines, borrow areas, and\or
construction sites.
(82) Runoff--Rainwater, leachate, or other liquid that
drains overland on any part of a land surface and runs off of the
land surface.
(83) Seismic impact zone--An area that has a 10% or
greater probability that the horizontal ground level acceleration
of the rock in the area exceeds 0.10 gravity once in 250 years.
(84) Sewage sludge--Solid, semi-solid, or liquid residue
generated during the treatment of domestic sewage in treatment works.
Sewage sludge includes, but is not limited to, domestic septage, scum,
or solids removed in primary, secondary, or advanced wastewater treatment
processes; and material derived from sewage sludge. Sewage sludge
does not include ash or grit and screenings generated during preliminary
treatment of domestic sewage in a treatment works.
(85) Sole-source surface drinking water supply--A body
of surface water that is identified as a public water supply in §307.10
of this title (relating to Appendices A - G) and is the sole source
of supply of a public water supply system, exclusive of emergency
water connections.
(86) Source-separated organic material--As defined
in §332.2 of this title (relating to Definitions).
(87) Specific oxygen uptake rate--The mass of oxygen
consumed per unit time per unit mass of total solids (dry weight basis).
(88) Stabilization--Biological or chemical treatment
processes that minimize subsequent complications due to biodegradation
of organic compounds, biologically by reducing organic content and
chemically by retarding the degradation of organic materials.
(89) Staging--Temporary holding of sewage sludge, biosolids,
domestic septage, or water treatment residuals, at a land application
unit, for up to a maximum of seven calendar days per each staging
location, prior to land application.
(90) Store or storage--The placement of sewage sludge,
biosolids, domestic septage, or water treatment residuals on land
or in an enclosed vessel for longer than seven days.
(91) Surface disposal site--An area of land that contains
one or more active disposal units.
(92) Surface impoundment--A facility or part of a facility
that is a natural topographic depression, human-made excavation, or
diked area formed primarily of earthen materials (although it may
be lined with man-made materials), that is designed to hold an accumulation
of liquid wastes or wastes containing free liquids, and that is not
an injection well. Examples of surface impoundments include: holding,
storage, settling, and aeration pits, ponds, and lagoons.
(93) Temporary storage--Storage of waste regulated
under this chapter by a transporter, which has been approved in writing
by the executive director, in accordance with §312.147 of this
title (relating to Temporary Storage).
(94) Three hundred-sixty-five-day period--A running
total that covers the period between land application to a site and
the nutrient uptake of the feed, food, fiber, or turf crop.
(95) Total solids--The amount of solids in a material
that remain as residue when the material is dried at 103 degrees Celsius
to 105 degrees Celsius.
(96) Transporter--Any person who collects, conveys,
or transports sewage sludge, biosolids, water treatment residuals,
grit trap waste, grease trap waste, chemical toilet waste, or domestic
septage by roadway, ship, rail, or other means.
(97) Treat or treatment--The preparation of sewage
sludge, biosolids, domestic septage, or water treatment residuals
for final use or disposal. This includes, but is not limited to, thickening,
stabilization, initial alkali addition for pathogen or vector control,
and dewatering. This term does not include storage of sewage sludge,
biosolids, domestic septage, or water treatment residuals, or subsequent
alkali addition for pathogen or vector control.
(98) Treatment works--Either a federally owned, publicly
owned, or privately-owned device or system used to treat (including
recycle and reclaim) either domestic sewage or a combination of domestic
sewage and industrial waste of a liquid nature, located at an authorized
wastewater treatment plant.
(99) Turf crop--Grass and the surface layer of earth
held together by its roots that is grown and harvested as sod, sprigs,
or plugs, primarily for the establishment of lawns.
(100) Unstabilized solids--Organic materials in sewage
sludge or biosolids that have not been treated in either an aerobic
or anaerobic treatment process.
(101) Unstable area--Land subject to natural or human
induced forces that may damage the structural components of an active
disposal unit or land application unit. This includes, but is not
limited to, land that the soils are subject to mass movement.
(102) Vector attraction--The characteristic of sewage
sludge, biosolids, and domestic septage that attracts rodents, flies,
mosquitoes, or other organisms capable of transporting infectious
agents.
(103) Volatile solids--The amount of the total solids
in a material that is lost when the material is combusted at 550 degrees
Celsius in the presence of excess oxygen.
(104) Waste pile--Any noncontainerized accumulation
of solid, nonflowing waste that is used for treatment or storage.
(105) Water treatment residuals--Material generated
during the treatment of either surface water or groundwater for potable
use, which is not an industrial solid waste as defined in §335.1
of this title (relating to Definitions).
(106) Wetlands--Those areas that are inundated or saturated
by surface water or groundwater at a frequency and duration to support,
and that under normal circumstances do support, a prevalence of vegetation
typically adapted for life in saturated soil conditions. Wetlands
generally include swamps, marshes, bogs, and similar areas.
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