Co-occurrence of PM2.5-bound mercury and carbon in rural areas affected by coal combustion

The concentrations of PM2.5-bound Hg and various forms of PM2.5-bound C were highly correlated, the Spearman rank correlation coefficients were greater than 0.8 for Godów and greater than 0.7 for Złoty Potok. A linear dependence of ambient concentrations of PM2.5-bound Hg on PM2.5-bound OC and EC was found using multilinear regression analysis.