highly significantp < 0.01
Source Analysis As shown in Table 2 , the Pearson correlation coefficients for the eight heavy metals revealed a highly significant positive correlation among Pb, As, and Hg ( p < 0.01).
Source Analysis As shown in Table 2 , the Pearson correlation coefficients for the eight heavy metals revealed a highly significant positive correlation among Pb, As, and Hg ( p < 0.01).