ASTM Methods for Gas and Air Analysis
Environmental Analytical Service offers the following methods for Gas Analysis. These methods can also be used for ambient air analysis and for landfill gas analysis.
| METHOD | DESCRIPTION | COMMENTS | INSTRUMENT |
| ASTM 1945 | Permanent Gas Analysis | Same as EPA Method 3 | GC/TCD |
| ASTM 1946 | Natural Gas, HC | GC/FID | |
| TOC Methane and NMOC | GC/FID | ||
| TO-12 | NMHC | GC/FID | |
| ASTM 1946 | Permanent Gas Analysis | GC/TCD | |
| ASTM 3416 | Methane, Low Level | GC/FID | |
| ASTM 2650 | Gas Composition | GC/MS | |
| ASTM 3588 | BTU by Calculation | GC/TCD/FID | |
| Detailed Hydrocarbon Analysis of Gas or Liquid Product | GC/FID |