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.