Plot with PC1 and PC2 from principal component analysis. Qin Yang Huaguo Chen Baizhan Li 10.1371/journal.pone.0118141.g003 https://plos.figshare.com/articles/figure/_Plot_with_PC1_and_PC2_from_principal_component_analysis_/1319059 <p>(a) Factor loadings of 18 PAHs on two components, and (b) factor scores of sampling locations on the PC1 and PC2.</p> 2015-02-26 03:02:56 dust samples Polycyclic Aromatic Hydrocarbons Σ18 PAHs concentration ILCR hca Guizhou Province Potential Human Health Risk Polycyclic lifetime cancer risk