[Amended 10-15-1984 by Ord. No. 1019]
A. 
The provisions of this section shall be applicable in addition to any other applicable provisions of this part or any other ordinance or regulation.
B. 
In accordance with the Pennsylvania Floodplain Management Act[1] and the regulations adopted by the Department of Community and Economic Development as required by the Act, any new or substantially improved structure which will be used for the production or storage of any of the following dangerous materials or substances; will be used for any activity requiring the maintenance of a supply of more than 50 gallons, or other comparable volume, of any of the following dangerous materials or substances on the premises; will involve the production, storage or use of any amount of radioactive substances shall be subject to be provisions of this part, in addition to all other applicable provisions.
(1) 
The following list of materials and substances are considered dangerous to human life:
(a) 
Acetone.
(b) 
Ammonia.
(c) 
Benzene.
(d) 
Calcium carbide.
(e) 
Carbon disulfide.
(f) 
Celluloid.
(g) 
Chlorine.
(h) 
Hydrochloric acid.
(i) 
Hydrocyanic acid.
(j) 
Magnesium.
(k) 
Nitric acid and oxides of nitrogen.
(l) 
Petroleum products (gasoline, fuel oil, etc.).
(m) 
Phosphorus.
(n) 
Potassium.
(o) 
Sodium.
(p) 
Sulphur and sulphur products.
(q) 
Pesticides (including insecticides, fungicides and rodenticides).
(r) 
Radioactive substances, insofar as such substances are not otherwise regulated.
[1]
Editor's Note: See 32 P.S. § 679.101 et seq.
C. 
Within any Floodway District (FW), any structure of the kind described in Subsection B above shall be prohibited.
D. 
Where permitted within any Flood-Fringe District (FF) or General Floodplain District (FA), any structure of the kind described in Subsection B above shall be elevated or designed and constructed to remain completely dry up to at least 1 1/2 feet above the one-hundred-year flood elevation and designed to prevent pollution from the structure or activity during the course of a one-hundred-year flood. Any such structure or part thereof that will be built below the regulatory flood elevation shall be designed and constructed in accordance with the standards for completely dry floodproofing contained in the publication "Floodproofing Regulations" (U.S. Army Corps of Engineers, June, 1972) or with some other equivalent watertight standard.
E. 
Within any General Floodplain District (FA), any structure of the kind described in Subsection B above shall be prohibited within the area measured 50 feet landward from the top-of-bank of any watercourse.
F. 
Except for a possible modification of the freeboard requirements involved, no variance shall be granted for any of the other requirements of this section.