- a) The Agency may issue a Certificate of Competency for any of the four classes of certification specified in this Section.
b) For each class of certification, the water supply operator must demonstrate the necessary skills, knowledge, ability and judgment of the chemical, biological and physical sciences essential to the practical mechanics of the following:
- 1) Class A Certification: coagulation, lime softening, ultraviolet disinfection, membrane filtration, sedimentation, filtration, aeration and filtration, ion exchange, chemical feeding and calculation of dosage, pumpage, storage and distribution.
- 2) Class B Certification: filtration (other than membrane filtration), aeration and filtration (other than membrane filtration), ion exchange systems, chemical feeding and calculation of dosage, pumpage, storage and distribution.
- 3) Class C Certification: chemical feeding and calculation of dosage, pumpage, storage and distribution.
- 4) Class D Certification: pumpage, storage and distribution.
(Source: Amended at 41 Ill. Reg. 14182, effective November 13, 2017)