(1)  Any person operating a PSF should maintain written records of all inspections and maintenance of the PSF.

(2)  All appurtenances and primary containment holding bulk pesticides should be inspected weekly for damage and leakage. Secondary containment should 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 and secondary containment should be performed to ensure that the integrity of the sites is maintained.