§ 11-2. Definitions.

The following definitions shall apply in the interpretation and enforcement of this ordinance:

AIR CONTAMINANT or AIR POLLUTANT

Shall mean any smoke, soot, fly ash, dust, cinders, dirt, fumes, gases, vapors, liquids, noxious or obnoxious acids, oxidesy odors, toxic or radioactive substance, waste, particulate, solid, liquid or odorous matter, or any other materials in the outdoor atmosphere.

AIR POLLUTION

Shall mean "the presence in the outdoor atmosphere of one or more air pollutants or any combinations thereof in such quantities and of such characteristics and duration as to be, or be likely to be, injurious to public welfare, to the health of human, plant or animal life, or to property, or as unreasonably to interfere with the enjoyment of life and property." (Taken from Conn. A. P. Control Law, Public Act No. 754 7-7-1967)

AMBIENT AIR

Shall mean the unconfined space occupied by the atmosphere above the geographical area of Norwalk.

BOARD OF HEALTH

The Board of Health as established under Article VII, §§ 1-290 through 1-296, of the Charter and Related Laws of the City of Norwalk, Connecticut. Said Board shall have the power to promulgate standards for the enforcement of this ordinance.

DIRECTOR OF HEALTH

The Director of Health established under Chapter 59, Housing Code, § 59-2, of the Norwalk City Code, or his authorized representative.

NUISANCE

Nuisance, in addition to the meaning set forth in Chapter 71, Nuisances, of the Norwalk City Code, shall mean the discharge into the open air of any smoke, soot, dust, fumes, odors, noxious gases or other emissions which cause injury, detriment or annoyance or which endanger the comfort, repose, health or safety of any person or of the public, or which cause or are likely to cause injury or damage to business or property.

PARTICULATE MATTER

Shall mean any material, except uncombined water, which exists in a finely divided form as a liquid or solid at standard conditions.

PERSON

Any individual, individuals, partnership, association, firm, syndicate, company, trusts, corporation, department, bureau, agency, political subdivision or any other entity recognized by law as the subject of rights and duties.

RINGELMANN SMOKE CHART

The chart published and described the United States Bureau of Mines Information Circular 7718, for use in measuring the shades, density or opacity of air pollutants arising from stacks and other sources. The Powers Micro-Ringelmann Chart as published by McGraw-Hill Publishing Company or such other charts as from time to time may be substituted therefor.

SMOKE

Shall mean gas- or airborne particles resulting from combustion and consisting of carbon, ash and other materials which are present in sufficient quantities to be observable.

STANDARD CONDITIONS

Shall mean a temperature of 60° F. and a pressure of 14.7 pounds per square inch absolute.