Table 3.
Gas analyzers and their respective detection limits and detection ranges
| Gas analyzer | Gases | Detection limits | Detection ranges |
|---|---|---|---|
| TEI 55i Direct Methane Non-Methane Hydrocarbon analyzer | CH4 | 0.033 µg/L | 0–67 µg/L |
| TEI 410i CO2 Gas Analyzer | CO2 | 0.37 µg/L | 0–1.83 mg/L |
| TEI 450i SO2/H2S analyzer | SO2 | 0.004 µg/L | 0–27 µg/L |
| H2S | 0.002 µg/L | 0–14 µg/L | |
| TEI 46i N2O analyzer | N2O | 0.037 µg/L | 0–37 µg/L |
| TEI 17i NH3 analyzer | NH3 | 0.001 µg/L | 0–14 µg/L |
| Innova 1412 photo-acoustic multi-gas analyzer | CO2 | 2.7 µg/L | 0–27 mg/L |
| CH4 | 0.27 µg/L | 0–2.7 mg/L | |
| NH3 | 0.71 µg/L | 0–7.1 mg/L | |
| N2O | 0.055 µg/L | 0–0.55 mg/L |