Ill. Admin. Code tit. 35, § 602.510
The Agency may issue Aquatic Pesticide Permits by telephone whenever public health is immediately endangered by an aquatic pest such as a disease-carrying organism. Aquatic Pesticide Permits issued by telephone must have special conditions for safeguarding downstream public and food processing water supplies.
(Source: Amended at 47 Ill. Reg. 7449, effective May 16, 2023)