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Analysis of volatile sulfur compound concentration level
| Variablea | Frequency | |
|---|---|---|
| Hydrogen sulfide (H2S) | 0-111 | 98 (97.0) |
| ≥112 | 3 (3.0) | |
| Methyl mercaptan (CH3SH) | 0-25 | 88 (87.1) |
| ≥26 | 13 (12.9) | |
| Dimethyl sulfide (C2H6S) | 0-7 | 58 (57.4) |
| ≥8 | 43 (42.6) |
Values are presented as number (%). a: Measurement by ppb (parts per billion).