As used in this article, the following terms
shall have the meanings indicated:
DRY CLEANING
The process of removing dirt, grease, paints and other stains
from wearing apparel, textiles, fabrics, rugs, etc., by the use of
nonaqueous liquid solvents, flammable or nonflammable, and it shall
include the process of dyeing clothes or other fabrics or textiles
in a solution of dye colors and nonaqueous liquid solvents.
RATED
As applied to solvents, classified as to fire hazard.
Dry-cleaning systems shall be classified as
follows:
A. Class I systems shall be those utilizing solvents
rated above 40, including fifty-degree-Fahrenheit-flash-point naphtha.
B. Class II systems shall be those utilizing solvents
rated 40 or below but which do not comply with Class III or Class
IV requirements, including Stoddard solvent.
C. Class III systems shall be those utilizing solvents
having specified characteristics and rated at 25 or below, including
one-hundred-forty-degree-Fahrenheit-flash-point solvent.
D. Class IV systems shall be those utilizing solvents
rated as nonflammable or as nonflammable at ordinary temperatures
and only moderately flammable at higher temperatures, rated not over
five, including carbon tetrachloride and perchlorethylene.
Class III systems, if located in the same building
with other occupancies, shall be separated from the remainder of the
building vertically and horizontally by construction having a fire-resistance
rating of not less than one hour, with openings protected by approved
fire doors, except that such separation shall not be required for
operations incidental to or in connection with the dry-cleaning business,
such as laundering, scouring, scrubbing, drying, pressing or ironing.
Class IV systems shall be subject to the requirement for a permit in §
104-13 but shall be exempt from all other provisions of this article.