Table 5.
Percentage relationship between pyrolytic, petrogenic and other sources of PAH emissions at Gdańsk airport in 2008–2009.
| PAH ratio/source | Criterion | Pyrolytic origin | |
| 2008 | 2009 | ||
| NAP/PHE | >1 | 100% | 100% |
| PHE/ANT | <10 | 100% | 100% |
| ANT/ANT + PHE | >0.1 | 100% | 100% |
| BaA/CHr | >1 | 80% | 60% |
| BaA/BaA + CHr | >0.2 | 100% | 100% |
| FLTH/PYR | >1 | 100% | 80% |
| FLTH/PFLTH + PYR | >0.5 | 0% | 0% |
| Petrogenic origin | |||
| 2008 | 2009 | ||
| NAP/PHE | <1 | 0% | 0% |
| PHE/ANT | >10 | 0% | 0% |
| ANT/ANT + PHE | <0.1 | 0% | 0% |
| BaA/CHR | <1 | 20% | 40% |
| PAH ratio/source | Criterion | Pyrolytic origin | |
| 2008 | 2009 | ||
| BaA/BaA + CHr | <0.2 | 0% | 0% |
| FLTH/PYR | <1 | 0% | 0% |
| FLTH/PFLTH + PYR | <0.4 | 20% | 20% |
| Other sources | |||
| 2008 | 2009 | ||
| FLTH/PYR | 0.9 | 0% | 20% fuel oil |
| FLTH/PFLTH + PYR | >0.5 | 80% diesel | 80% diesel |
| IP/(IP + benzo[ghi]perylene) | 0.48–0.57 | ND | ND |
ND—not detected.