Letters of Approval
from the
State of Washington
Department of Ecology
Wastewater Certification Program
BNR Process Control & Troubleshooting
Activated Sludge Module 1 ... Basic Concepts                  
Activated Sludge Module 2 ... Flow Patterns                  
Activated Sludge Module 3 ... Loading Rates                  
Activated Sludge Module 4 ... Microbiology                  
Activated Sludge Module 5 ... Troubleshooting                  
Sludge Dewatering Module                  
Preliminary & Primary Treatment                  
Basic Safety                  
Basic Hydraulics                  
Sludge Digestion Module                  
Sludge Thickening Module                  
Basic Math                  
Chlorination Principles, Safety & Process                  
So You Want to be a Utility Manager                  
Wastewater Treatment Overview    
Wastewater Treatment Concepts    
Activated Sludge & BNR Workshop    
Lift Stations Overview    
Wastewater Operator Study Guide Module 1    
Wastewater Operator Study Guide Module 2    
Wastewater Operator Study Guide Module 3    
Wastewater Operator Workshop Mission Math    
Effluent Filtration    
Basic Instrumentation
History of Assets