Mich. Admin. Code R. 285.642.9 - Operational area containment of liquid fertilizer
Rule 9.
(1) Loading
and unloading operations shall be supervised at all times by an attendant who
is familiar with the operation of the mechanical appurtenances in use at the
farm storage facility and who is familiar with the procedures that are used for
the control and recovery of discharges.
(2) Operational areas shall be utilized for
transferring, loading, unloading, and mixing fertilizers at farm storage
facilities.
(3) A farm storage
facility shall comply with one or more of the following operational area
containment system options (a), (b), and (c):
(a) An operational area designed and
constructed of an impermeable material to effectively intercept and contain
bulk fertilizer spills and leaks, preventing runoff or leaching.
(i) The operational area containment shall be
constructed and reinforced to handle at least the foreseeable maximum gross
load that may be on the pad. Cracks and seams shall be kept sealed.
(ii) The operational area containment shall
have a minimum width of 10 feet and a minimum length of 20 feet. Any fill or
unloading point of the mobile container shall be positioned over the
containment area during loading or unloading to assure retention of any
discharge.
(iii) The operational
area containments shall provide the capacity to hold at least 750 gallons or
the volume of the largest application equipment tank, whichever is
less.
(b) A portable
operational area containment system which meets the requirements of subdivision
(a)(ii) and (iii) of this subrule.
(c) A closed transfer system shall be used
for all liquid fertilizer operations.
(i) The
closed transfer system shall be designed to have dry couplers on every
connection related to fertilizer operational activities. All hoses used in this
system shall follow the manufacturer warranty.
(ii) An anti-overflow device shall be
utilized during loading and unloading operational activities. An anti-overflow
device includes, but is not limited to, any of the following:
(A) An alarm.
(B) An automatic shut-off valve such as a
float.
(C) An in line flow meter
with a shut-off sensor.
(iii) The facility shall have an empty
container with at least a 150-gallon capacity under the point of
transfer.
(4)
Operational area containment does not apply to mobile containers that are used
to nurse field operations when at a field unloading site.
Notes
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