| Component | Symbol | Certified value (mol/mol) | ugravimetry | uanalytical | ustability | UCRM |
| Methane | CH4 | 91.321 × 10−02 | 4.69 × 10−05 | 1.91 × 10−03 | 8.80 × 10−04 | 4.20 × 10−03 |
| Ethane | C2H6 | 9.84 × 10−03 | 3.30 × 10−05 | 1.80 × 10−05 | 3.20 × 10−05 | 9.90 × 10−05 |
| Propane | C3H8 | 3.90 × 10−03 | 9.70 × 10−06 | 4.80 × 10−06 | 2.10 × 10−04 | 4.20 × 10−04 |
| n-butane | C4H10 | 2.01 × 10−03 | 3.70 × 10−06 | 2.40 × 10−06 | 1.50 × 10−05 | 3.10 × 10−05 |
| i-butane | C4H10 | 2.02 × 10−03 | 3.70 × 10−06 | 3.10 × 10−06 | 2.10 × 10−04 | 4.20 × 10−04 |
| n-pentane | C5H12 | 9.94 × 10−04 | 2.80 × 10−06 | 1.80 × 10−06 | 2.80 × 10−05 | 5.60 × 10−05 |
| i-pentane | C5H12 | 9.92 × 10−04 | 2.70 × 10−06 | 2.20 × 10−06 | 2.10 × 10−04 | 4.20 × 10−04 |
| Helium | He | 3.40 × 10−03 | 3.70 × 10−06 | 4.70 × 10−06 | 2.80 × 10−05 | 5.70 × 10−05 |
| Hydrogen | H2 | 2.05 × 10−02 | 3.00 × 10−06 | 3.10 × 10−05 | 7.10 × 10−07 | 6.20 × 10−05 |
| Nitrogen | N2 | 3.05 × 10−02 | 5.10 × 10−06 | 4.20 × 10−05 | 5.00 × 10−05 | 1.30 × 10−04 |
| n-hexane | C6H14 | 9.44 × 10−04 | 2.40 × 10−06 | 1.10 × 10−06 | 8.00 × 10−07 | 5.60 × 10−06 |