Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Community profile analysis of a conventional A2/O sewage treatment plant. Samples representing aerobic, anoxic, and anaerobic points in the waste stream processing were analyzed. Only every third datum point is shown for the sake of clarity of the profiles.
