Fig. 3
From: Evaluation of the genotoxicity of PM2.5 collected by a high-volume air sampler with impactor
Comparison of (a) Na+, (b) NH4+, (c) K+, (d) Mg2+, (e) Ca2+, (f) Cl−, (g) NO3−, and (h) SO42− concentrations measured with HV and LV methods. The solid line presents the regression line by at least two multiplication. The broken line presents the line equivalent in HV method and LV method