Code of Massachusetts Regulations › 310 CMR - DEPARTMENT OF ENVIRONMENTAL PROTECTION › Title 310 CMR 8.00 - The Prevention And/or Abatement Of Air Pollution Episode And Air Pollution Incident Emergencies › Section 8.02 - Definitions

Current through Register 1525, July 5, 2024
When used in
				310 CMR 8.00 and in
				communications, notices, or orders relative thereto, the following words and
				phrases shall have the meanings ascribed below:
Air Contaminant
means any substance or
				man-made physical phenomenoninthe ambientair space and includes, but is not
				limited to dust, flyash, gas, fume, mist, odor, smoke, vapor, pollen,
				microorganism, radioactive material, ionizing radiation, heat, sound, any
				combination thereof, or any decay or reaction product thereof.
Air Contaminant Source
means any place
				at or from which any air contaminant is emitted to the ambient air
				space.
Air Pollution
means the presence in
				the ambient air space of one or more air contaminants or combinations thereof
				in such concentrations and of such duration as to:
(a) cause a nuisance;
(b) be injurious to human or animal life, to vegetation, or to
				property; or
(c) unreasonably interfere with the comfortable enjoyment of
				life and property or the conduct of business.
Air Pollution Episode
means a state of
				the ambient air environment in which the concentrations of air contaminants are
				elevated to or are in excess of certain defined levels and that certain
				meteorological conditions are expected to continue.
Air Pollution Episode Alert (APEA)
means that degree of Air Pollution Episode which meets the criteria for
				determination of an Air Pollution Episode Alert as set forth in
				310 CMR
				8.03.
Air Pollution Episode Emergency (APEE)
means that degree of Air Pollution Episode which meets the criteria for
				determination of an Air Pollution Episode Emergency as set forth in
				310 CMR
				8.03.
Air Pollution Episode Warning (APEW)
means that degree of Air Pollution Episode which meets the criteria for
				determination of an Air Pollution Episode Warning as set forth in
				310 CMR
				8.03.
Air Pollution Incident Emergency
				(APIE)
means a condition in the atmosphere in the Commonwealth or
				any part thereof, which constitutes a present or reasonably imminent danger to
				health.
Ambient Air Space
means unconfined
				space occupied by the atmosphere above the geographical area of the
				District.
Atmospheric Stagnation Advisory
means
				an advisory, issued by the National Weather Service, relative to meteorological
				conditions that are predicted to be manifest for 36 hours or more and to be
				characterized by poor ventilation and potential increase of ambient air
				contaminant concentration levels. (The advisories may be prepared for regions
				of substantial area, or as the need maydictate, for local, relatively small
				areas.)
COH - Coefficient of Haze
means the
				unit which quantifies the increase in photometric density of a filter tape due
				to deposition of particles per 1000 linear feet of air through a one inch
				diameter filter when sampled at the rate of approximately 0.25 cfm.
Commissioner
means the Commissioner of
				the Department of Environmental Protection or his official designees.
Department
means the Department of
				Environmental Protection.
Emission
means any discharge or
				release of an air contaminant to the ambient air space.
Emission Reduction Plan(s)
means the
				plans for reducing emissions during Air Pollution Episode Alerts, Warning,
				and/or Emergencies.
ug/m3 means micrograms per cubic
				meter.
News Media
means certain channels of
				communication by which information is conveyed between persons; it includes,
				but is not limited to, radio, television, and newspapers.
p.p.m. means parts per million.
Person
means any individual,
				partnership, association, firm, syndicate, company, trust, corporation,
				department, authority, bureau, agency, political subdivision of the
				Commonwealth, law enforcement agency, fire fighting agency, or any other entity
				recognized by law as the subject of rights and duties.
PM10 or Particulate Matter 10
means
				particulate matter with an aerodynamic diameter less than or equal to a nominal
				10 micrometers as measured by a reference method based on Appendix J of Part 50
				of CFR and designated in accordance with Part 53 or by an equivalent method
				designated in part 53.