| # | Name | Short Name | Unit | Principal Investigator | Method | Comment |
| 1 | Event label | Event | | | | Metadata |
| 2 | delta 13C, carbon dioxide, aquatic  | d13C CO2 aq | per mil | Cruse, Anna M  | Isotope ratio mass spectrometry  | |
| 3 | delta 13C, carbon dioxide, aquatic  | d13C CO2 aq | per mil | Cruse, Anna M  | calculated  | error, 1 sigma |
| 4 | Number of tests  | Tests | # | Cruse, Anna M  | | of CO2 |
| 5 | Number of tests  | Tests | # | Cruse, Anna M  | | of CH4 |
| 6 | Number of tests  | Tests | # | Cruse, Anna M  | | of C2H6 |
| 7 | Number of tests  | Tests | # | Cruse, Anna M  | | of C3H8 |
| 8 | Number of tests  | Tests | # | Cruse, Anna M  | | of i-C4H10 |
| 9 | Number of tests  | Tests | # | Cruse, Anna M  | | of n-C4H10 |
| 10 | Number of tests  | Tests | # | Cruse, Anna M  | | of benzene |
| 11 | Number of tests  | Tests | # | Cruse, Anna M  | | of toluene |
| 12 | delta 13C, atmospheric methane  | d13C CH4 | per mil PDB | Cruse, Anna M  | Isotope ratio mass spectrometry  | |
| 13 | delta 13C, atmospheric methane  | d13C CH4 | per mil PDB | Cruse, Anna M  | calculated  | error, 1 sigma |
| 14 | delta 13C, ethane  | d13C C2 | per mil PDB | Cruse, Anna M  | Isotope ratio mass spectrometry  | |
| 15 | delta 13C, ethane  | d13C C2 | per mil PDB | Cruse, Anna M  | calculated  | error, 1 sigma |
| 16 | delta 13C, propane  | d13C C3 | per mil | Cruse, Anna M  | Isotope ratio mass spectrometry  | |
| 17 | delta 13C, propane  | d13C C3 | per mil | Cruse, Anna M  | calculated  | error, 1 sigma |
| 18 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | Isotope ratio mass spectrometry  | for i-C4H10 |
| 19 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | calculated  | for i-C4H10, error, 1 sigma |
| 20 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | Isotope ratio mass spectrometry  | for n-C4H10 |
| 21 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | calculated  | for n-C4H10, error, 1 sigma |
| 22 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | Isotope ratio mass spectrometry  | for benzene |
| 23 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | calculated  | for benzene, error, 1 sigma |
| 24 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | Isotope ratio mass spectrometry  | for toluene |
| 25 | delta 13C  | d13C | per mil PDB | Cruse, Anna M  | calculated  | for toluene, error, 1 sigma |