1. (a) This section does not apply to mobile containers used to nurse field operations when at a field unloading site.
2. (b) An area used for the loading of fluid fertilizer into a storage container or for unloading fluid fertilizer from a storage container into a mobile container must be curbed and paved with reinforced concrete or other suitable material that provides an impervious surface and is approved by the state chemist. All activities at the fluid fertilizer storage facility must be carried out within this area.

3. (c) The operational area containment must be constructed and reinforced to support at least the foreseeable maximum gross load, including the following:

   1. (1) The product.
   2. (2) Equipment that utilizes the operational area.
   3. (3) The mobile container.

   4. (4) The motor vehicle.

      The curbed and paved area must have a minimum width of ten (10) feet, a minimum length of twenty (20) feet, and a minimum capacity of at least seven hundred fifty (750) gallons of discharged fluids. Any fill or unloading point of the mobile container must be positioned over the paved area during loading or unloading.

4. (d) With the exception of secondary containment areas lined with synthetic or soil liners, and wherever sufficient capacity required in section 13(c) of this chapter and this chapter are complied with, the secondary containment area described in sections 13 though 23 of this chapter may be designed for and jointly used instead of a separate operational area containment.
5. (e) An operational area may not have a relief outlet or valve. The base must slope to a collecting spot where liquid can be discharged, by a manually activated pump, for use in the blending process or for proper disposal in accordance with all applicable regulations.
6. (f) All liquids must be promptly removed or recovered from the operational area containment so that the capacity required in subsection
7. (c) is available at all times when operations are taking place.
8. (g) Storage containers and appurtenances must be protected against reasonably foreseeable risks of damage by vehicles operating in the area.
9. (h) Alternative means, including portable operational area containment systems meeting the capacity requirement, may be permitted with prior approval by the state chemist.
10. (i) Operational area containment must be maintained, as necessary, to assure compliance with this chapter.

As added by P.L.98-2026, SEC.50.