1. a) Maintain a written record inventorying all fertilizers stored or handled at the unit.
2. b) At least weekly when fertilizers are being stored, inspect storage containers, tanks, vents, valves, and appurtenances for leaks or deterioration caused by corrosion or other factors. If a leak or deterioration is found in any of these devices, the owner or operator must immediately repair or replace the device. The owner or operator must maintain a written record of all inspections conducted under this Section and of all maintenance relating to leaks and deterioration of these devices.
3. c) Store all containers containing fertilizers (except anhydrous ammonia) within a fertilizer secondary containment structure, if the containers are stored outside of a roofed structure or enclosed warehouse. For this subsection, a fertilizer secondary containment structure is a structure that complies with the design standards in 8 Ill. Adm. Code 255.

4. d) Maintain all written records required under this Section at the site. The owner or operator must provide the written records to the Agency upon request.

   (Board Note: Owners or operators of facilities or units subject to this Part may also be subject to regulations under 8 Ill. Adm. Code 255.)

The owner or operator must:

(Source: Amended at 47 Ill. Reg. 7631, effective May 16, 2023)