Figure 2.
Example output for CH4 from the NDIR analyzer used by the GF system during the release of 5 known rates of compressed gases. Note that there is a tendency for the baseline (background) to increase as shown by the dotted line.
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.