Table 3.
Seasonal statistics of measured groups of compounds.
| (ng m−3) | Spring | Summer | Fall | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | Median | Min | Max | Mean | Median | Min | Max | Mean | Median | Min | Max | |
| Nitro-aromatics | 0.07 | 0.00 | ND | 0.81 | 0.02 | 0.02 | ND | 0.04 | 0.28 | 0.17 | 0.04 | 1.78 |
| Organosulfates1 | 96.77 | 83.05 | 33.07 | 255.17 | 153.36 | 125.41 | 38.93 | 306.66 | 34.69 | 15.27 | 0.17 | 118.68 |
| Terpenoic acids | 325.62 | 304.05 | 128.68 | 771.16 | 294.01 | 249.19 | 115.08 | 634.99 | 250.66 | 148.91 | 52.94 | 809.46 |
| % of OM2 | ||||||||||||
| % nitro-aromatics | 0.00 | 0.00 | ND | 0.02 | 0.00 | 0.00 | ND | 0.00 | 0.01 | 0.01 | 0.00 | 0.02 |
| % organosulfates | 2.47 | 2.42 | 1.19 | 3.64 | 3.87 | 3.80 | 1.95 | 5.56 | 0.98 | 0.63 | 0.31 | 2.21 |
| % terpenoic acids | 8.65 | 8.29 | 4.62 | 12.88 | 7.50 | 7.77 | 3.80 | 11.64 | 6.48 | 5.21 | 2.70 | 12.00 |
Including nitrooxy-organosulfates
percent contribution of each group of identified compounds (combined total) to organic matter.