(1) Location of storage containers. Permanent
storage shall be located outside of densely populated areas. If located within
the corporate limits of a village, town or city, written approval of the
municipality's governing body shall be submitted to the department, accompanied
by a plot plan, drawn to scale, prior to installing said equipment. Storage
tanks installed outside of corporate limits after the effective date of these
rules shall not be less than 10 feet from the lot line of the property which
has been or may be built on or not less than 400 feet from any school, hospital
or other existing places of public and private assembly. A copy of the county's
zoning permit or municipality's approval and plot plan shall be submitted to
the department prior to site inspection. The department will approve sites
based upon compliance with this rule.
(2) Installation of storage containers:
(a) Aboveground containers shall rest on the
ground or on foundations in such a manner as to permit expansion and
contraction. Every container shall be supported so as to prevent the
concentration of excessive loads on the supporting portion of the shell. That
portion of the container in contact with the foundation or the ground shall be
protected against corrosion in accordance with the code.
(b) Wherever high flood water might occur,
container shall be securely anchored or placed on a pier of a height above the
normal high water mark.
(3) Protection of storage containers and
(a) Containers need not be electrically
grounded. Where an electrical system exists, such as for lighting or pump
motors, the electrical system shall be installed and grounded as recommended by
the National Electrical Code (as adopted this 1st day of January, 1982) .
(b) Storage container sites shall be kept free
of debris and weeds.
(c) A sign with letters of a minimum height of 2
inches shall be displayed in a conspicuous place stating the name, address and
telephone number of the owner, manager or local agent of the storage location.
(4) All stationary, pressure-vented
storage plants shall have on hand as a minimum the following equipment:
(a) a gas mask, approved by the U.S. Bureau of
Mines (30 CFR part II, section 14f) ;
(b) one pair of rubber or plastic gloves;
(c) readily accessible shower or at least 75 gallons of clean water in an
open top container;
(d) tight-fitting, vent-type chemical goggles or a full face
(5) Transfer of nitrogen fertilizer solutions:
(a) In the handling and transfer of nitrogen fertilizer solutions at the
storage site, a closed system or an equally effective system which will control
objectionable free vapors shall be provided.
(b) Transfer of nitrogen fertilizer solutions from trucks, semi-trailer
or trailers in excess of 3,000-gallon capacity shall be made only at
sites approved by the department (ARM 4.12.735) or at the site of application.
(6) The filling volume of pressure-vented nitrogen fertilizer solution
storage containers shall not exceed 95 percent.
(7) The owner of an abandoned storage system shall be responsible for its
proper maintenance and the safe disposal of the solutions.