Table 1. Spatial Homogeneity of Distributions: Concentration Range (Expressed as log(cmax/cmin)), Relative Standard Deviation (RSD; %) at All Sites and Comparison of Mean Particulate Concentrations at Remote Sites, crs (Polar + Free Tropospheric Mountain Sites) and Other Sites, cos (Coastal + Nonfree Tropospheric Mountain + Rural Sites)a,b.
| crs (pg m–3) | cos (pg m–3) | log(cos/crs) | log(cmax/cmin) | RSD (%) | |
|---|---|---|---|---|---|
| 2,4-D | <LOQ | 4.46 | N.A.b | 2.1 | 159 |
| atrazine | 0.11 | 0.30 | 0.4 | 1.6 | 107 |
| cyprodinil | 26.5 | 215 | 0.9 | 5.7 | 602 |
| fenpropidin | 7.30 | 127 | 1.2 | 4.5 | 548 |
| fenpropimorph | 2.37 | 46.1 | 1.3 | 3.6 | 199 |
| metazachlor | <LOQ | 2.59 | N.A.b | 3.2 | 263 |
| S-metolachlor | 5.16 | 81.7 | 1.2 | 3.2 | 147 |
| spiroxamine | 11.9 | 78.3 | 0.8 | 4.0 | 378 |
| tebuconazole | 0.95 | 10.3 | 1.0 | 3.4 | 213 |
| terbuthylazine | 54.3 | 53.5 | 0.0 | 3.4 | 291 |
| thiacloprid | 0.24 | 1.14 | 0.7 | 1.7 | 103 |
a
Values < LOQ not included. Substances with a quantification frequency higher than 50% only.
b
N.A. = not applicable.