Research Article
Spatial Variability and Application of Ratios between BTEX in Two Canadian Cities
Table 6
Pearson’s correlation coefficients between pollutant ratios and land use variables.
| Land use variables | Pollution ratios | | B/E | T/E | (m + p)/E | O/E | X/E | T/B | (m + p)/B | O/B |
| Open Area within 600 m | 0.173 | −0.089 | 0.108 | 0.014 | 0.081 | −0.064 | 0.048 | 0.021 |
| Industrial Area within 1600 m | 0.262 | 0.017 | −0.614*** | −0.512*** | −0.591*** | −0.210 | −0.289* | −0.265 |
| Industrial Area within 2500 m | 0.137 | −0.093 | −0.453*** | −0.374** | −0.435*** | −0.097 | −0.128 | −0.104 |
| Industrial Area within 2800 m | 0.102 | −0.089 | −0.403** | −0.319* | −0.383** | −0.064 | −0.091 | −0.064 |
| Length of Highway within 800 m | 0.014 | 0.150 | 0.008 | −0.057 | −0.012 | −0.008 | −0.030 | −0.049 |
| Length of Highway within 900 m | −0.009 | 0.126 | 0.030 | −0.040 | 0.009 | 0.003 | −0.006 | −0.027 |
| Dwelling Counts within 1200 m | −0.407** | 0.000 | 0.341** | 0.383** | 0.358** | 0.265 | 0.261 | 0.284* |
| Dwelling Counts within 1400 m | −0.330** | 0.277* | 0.273 | 0.329** | 0.293* | 0.281* | 0.184 | 0.204 |
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***Significant at ; **Significant at ; *Significant at .
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