An official website of the United States government
Here's how you know
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.
Select parameters measured in the GMBR feed (A), contents (B), and effluent (C) over the 100-day time course. The BOD5 (•), O/G (▪; feed only), and VSS (▴; contents only) parameters are shown. DGGE sample points (⋄) are also shown.