City of North Adams, MA
Berkshire County
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Table of Contents
Table of Contents

Sec. 19-1 Definitions.

For the purposes of this chapter the following words and phrases shall have the meanings respectively ascribed to them by this section:
CHART
Ringelmann's smoke chart as published and used by the United States Bureau of Mines.
CINDERS
All solids, including coke (partly burned fuel), soot and fly ash, formed as a result of the combustion of fuel, which is carried in the gas stream so as to reach the external air.
SMOKE
The exhalation, visible vapor, or substance that escapes or is expelled in combustion from a burning substance.
STACK
Any chimney or smokestack or other structure whether of brick, tile, concrete, metal or other material or a combination of any of these materials intended for the emission of the products of combustion from the burning of any fuel or material. Smokejacks attached to locomotive roundhouses shall be deemed stacks and a part of whatever locomotive is beneath them for the time being.

Sec. 19-2 Classification of stacks.

Chimneys or smokestacks, hereinafter known as stacks, defined in section 19-1 shall be classified as follows:
Class 1 includes all fixed or stationary stacks having an inside area at the top not exceeding the area of a circle five feet in diameter.
Class 2 includes all fixed or stationary stacks having an inside area at the top greater than the area of a circle five feet in diameter but not exceeding the area of a circle 10 feet in diameter.
Class 3 includes all fixed or stationary stacks having an inside area at the top greater than the area of a circle 10 feet in diameter.
Class 4 includes all stacks on steam locomotives.

Sec. 19-3 Prohibited emission of smoke.

(a) 
The emission of smoke of a degree of darkness or density equal to No. 2 of the chart or greater for more than six minutes in any one hour from stacks of class 1 and class 2; or of a degree equal to No. 3 of the chart or greater for more than three minutes in any one hour from stacks of class 2; or of a degree equal to No. 2 of the chart or greater for more than 25 minutes in any one hour from stacks of class 3; or of a degree equal to No. 3 of the chart or greater for more than five minutes in any one hour from stacks of class 3; or of a degree equal to No. 3 of the chart or greater for more than 20 seconds in any one period of five minutes from stacks of class 4, is hereby prohibited.

Sec. 19-4 Emission of cinders, etc.

The emission of cinders or other residue, from stacks of any class, in such quantities as to cause annoyance to the public or injury to business or property is hereby prohibited. Whenever special considerations make necessary the operation of equipment which inherently cannot avoid the generation of cinders or other residue, the smoke flues serving such equipment shall be provided with cinder catchers or fly ash and soot collectors of such design and installation as may be approved by the chief of the fire department.

Sec. 19-5 Enforcing officer.

The chief of the fire department shall enforce the provisions of this chapter.