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

***Significant at 𝑃<0.01; **Significant at 𝑃<0.05; *Significant at 𝑃<0.10.