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Fig. 5. Sum of 17 polychlorinated dibenzo-p-dioxins and -furans (
17 PCDD/Fs; ng international toxicity equivalent [I-TEQ]/kg dry wt.) versus sum of six polychlorinated biphenyls ( 6 PCBs; µg/kg dry wt.) measured in the same samples of (a) kitchen waste (n = 7), organic household waste (n = 9), green waste (n = 9), foliage (n = 28), shrub clippings (n = 12), bark (n = 2), and grass (n = 36), and (b) compost containing organic household waste (n = 111) and compost originating from green waste (n = 50). For illustration, the regression line (forced through zero) from all available data is added.
