Comparison of BTX Profiles and Their Mutagenicity Assessment at Two Sites of Agra, India

Table 2

Concentrations of BTX (μg m⁻³) at roadside and petrol pump.

Hydrocarbon	Roadside (𝑁=74)			Petrol pump (𝑁=50)
	Minimum	Maximum	Mean ± standard deviation	Minimum	Maximum	Mean ± standard deviation
Benzene	5.1	20.4	14.7 ± 2.4	9.3	25.8	19.5 ± 3.7
Toluene	2.7	9.9	8.1 ± 1.2	2.1	25.2	12.9 ± 1.1
o-,m-xylene	1.5	3.6	2.1 ± 0.8	4.8	9.9	3.6 ± 0.5
p-xylene	3.9	6.9	5.1 ± 1.2	4.8	13.2	11.1 ± 1.5