Section 285.641.10. Containment area management and operation.

(1) If a secondary containment area is in use, then a storage facility shall manage accumulated precipitation, spills, or leaks within the containment area as follows:

(a)      Remove accumulated liquids by a manually activated pump. Automatic pumps that have float switches are prohibited.

(b)      Promptly recover accumulated liquids, discharges, or spills from containment areas.

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

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

(e)      In the event of a spill within a containment area and following collection and recovery of the fertilizer containing liquids, a storage facility shall clean the area in accordance with subrule (2) of this rule before resuming the management practice of discharging accumulated  liquids that do not contain fertilizer as surface runoff.

(2)    A storage facility shall clean nonearthen containment areas as follows:

(a)     )  Wash the area using clean water.

(b)     Double rinse the area using clean water.

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

(3)     A storage facility shall promptly remediate earthen dikes if there is a spill or leak, which may require the removal of the soil in the containment area. A storage facility shall carry out soil remediation in accordance with department directives.

(4)        A facility that is placed in service after the effective date of this rule shall immediately comply with this rule. A facility that is in service before the effective date of this rule and that has completed secondary or operational containment areas shall immediately comply with this rule.  A facility that is in service before the effective date of this  rule  shall immediately comply with this rule upon completion of secondary or operational containment areas in compliance with R 285.641.7, R 285.641.8, or R 285.641.9.

History: 1998-2000 AACS.