Illinois Administrative Code › Title 35 - ENVIRONMENTAL PROTECTION › Part 201 - PERMITS AND GENERAL PROVISIONS › Subpart A - DEFINITIONS › Section 201.102 - Definitions

Current through Register Vol. 48, No. 28, July 12, 2024
"Air Contaminant": any solid, liquid or gaseous matter, any
				  odor or any form of energy, that is capable of being released into the
				  atmosphere from an emission source.
"Air Pollution Control Equipment": any equipment or facility
				  of a type intended to eliminate, prevent, reduce or control the emission of
				  specified air contaminants to the atmosphere.
"Air Pollution": the presence in the atmosphere of one or
				  more air contaminants in sufficient quantities and of such characteristics and
				  duration as to be injurious to human, plant or animal life, to health, or to
				  property, or to unreasonably interfere with the enjoyment of life or
				  property.
"Ambient Air": that portion of the atmosphere external to
				  buildings comprising emission sources.
"Ambient Air Quality Standard": those standards promulgated
				  from time to time by the Pollution Control Board (Board) pursuant to authority
				  contained in the Act and found at 35 Ill. Adm. Code 243, or by the United
				  States Environmental Protection Agency (USEPA) pursuant to authority contained
				  in
				  42 U.S.C.
				  7401 et seq. as amended from time to
				  time.
"Clean Air Act": the Clean Air Act of 1970, as amended,
				  including the Clean Air Act Amendments of 1977, as amended (
				  42 U.S.C.
				  7401 et seq.).
"Commence": the act of entering into a binding agreement or
				  contractual obligation to undertake and complete, within a reasonable time, a
				  continuous program of construction or modifications.
"Construction": commencement of on-site fabrication, erection
				  or installation of an emission source or of air pollution control
				  equipment.
"Emission Source": any equipment or facility of a type
				  capable of emitting specified air contaminants to the atmosphere.
"Existing Air Pollution Control Equipment": any air pollution
				  control equipment, the construction or modification which has commenced prior
				  to April 14, 1972.
"Existing Emission Source": any emission source, the
				  construction or modification of which has commenced prior to April 14,
				  1972.
"Modification": any physical change in, or change in the
				  method of operations, of an emission source or of air pollution control
				  equipment which increases the amount of any specified air contaminant emitted
				  by such source or equipment or which results in the emission of any specified
				  air contaminant not previously emitted. It shall be presumed that an increase
				  in the use of raw materials, the time of operation or the rate of production
				  will change the amount of any specified air contaminant emitted.
				  Notwithstanding any other provisions of this definition, for purposes of
				  permits issued pursuant to Subpart D, the Illinois Environmental Agency
				  (Agency) may specify conditions under which an emission source or air pollution
				  control equipment may be operated without causing a modification as herein
				  defined, and normal cyclical variations, before the date operating permits are
				  required, shall not be considered modifications.
"New Air Pollution Control Equipment": any air pollution
				  control equipment, the construction or modification of which is commenced on or
				  after April 14, 1972.
"New Emission Source": any emission source, the construction
				  or modification of which is commenced on or after April 14, 1972.
"Owner or Operator": any person who owns, leases, controls or
				  supervises an emission source or air pollution control equipment.
"Person": any individual, corporation, partnership, firm,
				  association, trust, estate, public or private institution, group, agency,
				  political subdivision of this State, any other State or political subdivision
				  or agency thereof or any legal successor, representative, agent or agency of
				  the foregoing.
"PSD Increment": the maximum allowable increase over baseline
				  concentration of any air contaminant as determined by Section 163 of the Clean
				  Air Act (
				  42 U.S.C.
				  7473 ) and regulations adopted
				  thereunder.
"Specified Air Contaminant": any air contaminant as to which
				  this Subtitle contains emission standards or other specific limitations and any
				  contaminant regulated in Illinois pursuant to Section 9.1 of the Act.
"Standard Industrial Classification Manual": the Standard
				  Industrial Classification Manual (1972), Superintendent of Documents, U.S.
				  Government Printing Office, Washington, D.C. 20402.