Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Baseline and maximal values of H2 and CH4 in different groups.
| H2 + | H2 − | CH4 + | CH4 − | |
|---|---|---|---|---|
| Baseline H2 | 21.3 (±22.1) | 18.5 (±19.9) | 15.1 (±12.5) | 21.2 (±22.8) |
| Max H2 level | 142.4 (±101) | 21.2 (±21.4) | 120.0 (±106.6) | 59.3 (±80.8) |
| Delta H2 | 121 (±95.9) | 2.7 (±14.7) | 104.6 (±106.5) | 38.1 (±72.9) |
| Baseline CH4 | 17.5 (±8.9) | 18.8 (±12.7) | 21.4 (±15.1) | 17.2 (±9.3) |
| Max CH4 | 26.4 (±13.6) | 22.0 (±15.9) | 36.4 (±20.8) | 19.8 (±9.5) |
| Delta CH4 | 8.9 (±8.9) | 3.2 (±6.3) | 15.0 (±10.7) | 2.6 (±3.2) |
Legend: max: maximal.
