Core Competencies for Virginia Wastewater Operators

 

If there is an "X" in the column for the class license you are studying for, it is on the licensing test as well.

 

Click on the links below to learn more information on the particular topic.

 

Collect Samples and Interpret Laboratory Analyses
Class
Class 4
Class 3
Class 2
Class 1

Bioassay

X
X
Biochemical oxygen demand
X
X
X
X
Carbon dioxide
X
X
Chemical oxygen demand
X
X
Chlorine residual
X
X
X
X
Coliform
X
X
X
X
Dissolved oxygen
X
X
X
X
Dissolved solids
X
X
X
X
Metal analysis
X
X
X
X
Microbiological
X
X
X
X
Nitrogen
X
X
X
X
pH
X
X
X
X
Phosphorous
X
X
X
X
Settleability testing
X
X
X
X
Solids
X
X
X
X
Temperature
X
X
X
X
Volatile acids
X
X
X

 

Required capabilities: