Air Pollutant | Reference Method | Principle of Detection | Proposed Analytical Range |
CH4 | EPA 18 | GC/FID | 0 to 25 ppm |
| EPA 3C | GC/TCD | 0 to 10 ppm |
CO | EPA 10 | NDIR-Gas Filter Correlation | 0 to 25 ppm |
CO2 | EPA 3A | NDIR | 0% to 10% |
NOX | EPA 20 | Chemiluminescence | 0 to 25 ppm |