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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Sci Total Environ. 2018 May 12;637-638:881–891. doi: 10.1016/j.scitotenv.2018.05.074

Figure 1a.

Figure 1a.

PCA loading plot for ACHS II showing groupings of PCDD, PCDF, non-ortho PCB, and mono-ortho PCB congeners based on type. PC1 accounts for 54.1% of variance and PC2 accounts for 19.0% of variance.