Activated Sludge Table
Activated Sludge Design Parameters
This is a handy chart from the well-known Metcalf & Eddy handbook (Metcalf & Eddy. Wastewater Engineering: Treatment and Reuse. 4th ed. Boston: McGraw-Hill, 2003).
Clicking on the image will open up a PDF version of the chart for printing or to give you a larger view.