Step 1: Add a GHG composition

Select Add Cover/Carrier Gas Composition

Click this link to expand

Step 2: Enter composition information

First indicate the gas type, cover gas or carrier gas. Then select the GHG contained in the cover/carrier gas mixture from the drop down menu

Click this link to expand

Lastly, enter the percent volume for each of the gases identified

Click this link to expand

Select 'SAVE'. e-GGRT returns to the production unit information screen

Click this link to expand