(1) Any person operating a PSF shall maintain written records of all inspections and maintenance of the PSF for at least two years that include:

(a) the name of the person conducting the inspection or maintenance;

(b) date of the inspection;

(c) conditions noted; and

(d) specific maintenance performed.

(2) All appurtenances and primary containment holding bulk pesticides must be inspected weekly for damage and leakage. Secondary containment and containment pads must be inspected at least monthly during the use season for cracks or other damage to the containment structures which may permit discharge outside the containment structures.

(3) Regular maintenance of PSF, secondary containment, and containment pads must be performed to ensure that the integrity of the sites is maintained.

(4) Repair of seals, cracks, gaps, or other damage in containment structures or appurtenances must be initiated upon discovery and completed within a time frame that is reasonable.