Current through all regulations passed and filed through September 16, 2024
(A)
Section 2501
General
(1)2501.1 Scope. Ripening processes where ethylene gas is
introduced into a room to promote the ripening of fruits, vegetables and other
crops shall comply with this rule.
Exception: Mixtures of ethylene and one
or more inert gases in concentrations that prevent the gas from reaching
greater than 25 per cent of the lower explosive limit (LEL) when released to
the atmosphere.
(2)
2501.2 Permits. Permits shall be required as set forth
in rule
1301:7-7-01
of the Administrative Code.
(3)
2501.3 Ethylene
generators. Approved ethylene generators shall be operated and maintained in
accordance with paragraph (F)(2506) of this rule.
(B)
Section 2502
Definitions
(1)
2502.1 Terms defined in rule
1301:7-7-02 of the
Administrative Code. Words and terms used in this rule and defined in rule
1301:7-7-02 of the
Administrative Code shall have the meanings ascribed to them as defined
therein.
(C)
Section 2503 Ethylene gas
(1)
2503.1 Location.
Ethylene gas shall be discharged only into approved rooms or enclosures
designed and constructed for this purpose.
(2)
2503.2
Dispensing. Valves controlling discharge of ethylene shall provide positive and
fail-closed control of flow and shall be set to limit the concentration of gas
in air below 1,000 parts per million (ppm).
(D)
Section 2504
Sources of ignition
(1)2504.1
Ignition prevention. Sources of ignition shall be controlled or protected in
accordance with this paragraph and rule
1301:7-7-03
of the Administrative Code.
(2)
2504.2 Electrical
wiring and equipment. Electrical wiring and equipment, including luminaires,
shall be approved for use in Class I, Division 2, Group C hazardous
(classified) locations.
(3)
2504.3 Static electricity. Containers, piping and
equipment used to dispense ethylene shall be bonded and grounded to prevent the
discharge of static sparks or arcs.
(4)
2504.4 Lighting.
Lighting shall be by approved electric lamps or luminaires
only.
(5)
2504.5 Heating. Heating shall be by indirect means
utilizing low-pressure steam, hot water or warm air.
Exception: Electric or fuel-fired
heaters approved for use in hazardous (classified) locations and that are
installed and operated in accordance with the applicable provisions of NFPA 70,
the mechanical code or the International Fuel Gas Code as listed in rule
1301:7-7-80
of the Administrative Code.
(E)
Section 2505
Combustible waste
(1)
2505.1 Housekeeping. Empty boxes, cartons, pallets and
other combustible waste shall be removed from ripening rooms or enclosures and
disposed of at regular intervals in accordance with rule
1301:7-7-03
of the Administrative Code.
(F)
Section 2506
Ethylene generators
(1)
2506.1 Ethylene generators. Ethylene generators shall
be listed and labeled by an approved testing laboratory, approved by the fire
code official and used only in approved rooms in accordance with the ethylene
generator manufacturer's instructions. The listing evaluation shall include
documentation that the concentration of ethylene gas does not exceed 25 per
cent of the lower explosive limit (LEL).
(2)
2506.2 Ethylene
generator rooms. Ethylene generators shall be used in rooms having a volume of
not less than 1,000 cubic feet (28 m3). Rooms shall
have air circulation to ensure even distribution of ethylene gas and shall be
free from sparks, open flames or other ignition sources.
(G)
Section 2507 Warning signs
(1)2507.1 Where
required. Approved warning signs indicating the danger involved and necessary
precautions shall be posted on all doors and entrances to the
premises.
Replaces: 1301:7-7-16.
