fig1

Figure 1. Comparison of mean WHO₂₀₀₅/TEQ concentrations for PCDD/Fs, non-ortho-PCBs, mono-ortho-PCBs and ∑PCDD/F + dl-PCB (lipid weight, upper bound) in Irish breast milk from 2002 (n = 4), 2010 (n = 11) and 2016-18 (n = 16) surveys; *statistical significance between 2010 and 2018, P > 0.005. TEQ: Toxic equivalency; PCDD/F: polychlorinated dibenzo-p-dioxins and furans; PCB: polychlorinated biphenyls; dl: dioxin-like.