Activated Sludge
Aeration
Backwash of Filters
Chemical Addition
Chlorinators
Clarifiers
Collection Systems
Digesters
Discharge Monitoring Reports
Disinfection
Electrical Maintenance
Fixed Film Processes
Flow Measurement
Imhoff Tanks
Instrumentation
Intermittent Sand Filters
Laboratory Procedures
Lagoons
Mathematics
Maintenance of Treatment Works
Operational Control Lab Analysis
Oxidation Ditches
Package Aeration
Preliminary Treatment
Primary Treatment
Process Control Decisions
Pumps and Motors
Reports and Recordkeeping
SCADA System Training
Screening
Secondary Clarifiers
Sedimentation
Sludge Drying Beds
Sludge Press
Tertiary Treatment
Trickling Filters
Administration and Management
Computer Workshops
Emergency Planning and Preparation
First Aid
Safety
AGENCY NOTE: Category I Noncompliance is also known by USEPA as "Significant Noncompliance" or "SNC".
Ill. Admin. Code tit. 35, § 380.720