Section 285.642.10. Containment area management and operation.

(1) When a secondary containment area is in use, accumulated precipitation, spills, or leaks within the containment area shall be managed as follows:

(a)      Accumulated liquids shall be removed by a manually activated pump.Automatic pumps with float switches are prohibited.

(b)        Accumulated liquids, discharges, or spills shall be promptly recovered from containment areas.

(c)        For accumulated liquids that do not contain any fertilizer, liquids may be discharged from containment areas as surface runoff but shall not be discharged directly into any surface water, waterway, storm   drain,   or field tile.

(d)    For accumulated liquids that may contain fertilizer, liquids shall be removed from containment areas and may be applied at agronomic rates to sites where the fertilizer can be utilized as intended.

(e)      If a spill occurs within a containment area  and  following collection and recovery of the fertilizer containing liquids, the area shall be cleaned in accordance with the provisions of subrule (2) of this  rule before  resuming  the  management   practice of discharging   non-fertilizer containing accumulated liquids as surface runoff.

(2)    For cleaning containment areas,  all  of  the  following requirements apply:

(a)     )  Wash the area using a biodegradable cleaner.

(b)     Double rinse the area using clean water.

(c)     )  Remove all rinsate  that  is  generated  by the  containment area cleaning process.

(3)     Earthen dikes shall be promptly remediated if there is a spill or leak, which may require the removal of the soil in the containment area. Soil remediation shall be carried out under the direction of the department based on soil type and concentration levels.

History: 2003 AACS.