35 Ill. Adm. Code 312.102
Classifications
Section 312
Section 312.102Â
Classifications
Agency rules in 35 Ill. Adm.
Code 380 (Procedure for the Certification of Operators of Wastewater Treatment
Works) classify treatment works by type and size based on the volume and nature
of wastewater influent to the treatment works and the complexity of the
treatment works. Those rules also contain corresponding standards defining the
class or classes of operators competent to operate a particular type or size of
treatment works.