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Constant (or starting) mole ratios used in modeling
| Species | Mole ratio |
| Hg | 122 ppq |
| HONO | 203 ppt |
| H2O | 907 ppm |
| H2 | 663 ppb |
| O2 | 252 ppth |
| O3* | 21.0 ppb |
| CO2 | 472 ppm |
| CO | 228 ppbv |
| CH4 | 2.28 ppm |
| CH3Br | 14.2 ppt |
| CHBr3 | 4.06 ppt |
| C2H2 | 317 ppt |
| C2H4 | 24.4 ppt |
| C2H6 | 2.11 ppb |
| C3H6 | 13.4 ppt |
| C3H8 | 610 ppt |
| PAN* | 200 ppt |
| MEK | 250 ppt |
| HCHO | 12.2 ppt |
| CH3CHO | 16.3 ppt |
| CH3COCH3 | 976 ppt |
| n-C4H10 | 244 ppt |
| i-C4H10 | 179 ppt |
Species not shown had a starting mole ratio of zero. Asterisks indicate starting mole ratios.
