35 Ill. Adm. Code 681.205
Certification Classification
Section 681.205
Certification Classification
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.