12-06-2015 03:41 PM
If you would like to read the guide in more detail you can find it here,
You are looking for LEBW4977-Gaseous Fuels
Thanks to Gregory Poole for listing the A&I Guides.
12-05-2015 05:36 PM
This is what the Fuel A & I Guide states about H2S. For all models, the gas should be treated as corrosive when sulfur content is above 0.45 ug H2S/Btu or 10 ppm @ 900 Btu/Scf.