Section 309.156  Total Dissolved Solids Reporting and Monitoring

The Agency must by permit condition require monitoring and reporting levels of total dissolved solids in effluents unless it finds that this reporting and monitoring are not required to accomplish the purposes of the Act. Monitoring of total dissolved solids levels must be by any reasonably reliable method.

(Source:  Amended at 47 Ill. Reg. 5017, effective March 23, 2023)