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Fig. 2. Sum of six polychlorinated biphenyls (
6 PCBs; µg/kg dry wt.) in kitchen waste (n = 8, one study only), organic household waste (n = 82), green waste (n = 41), foliage (n = 29), shrub clippings (n = 12, one study only), bark (n = 20), grass (n = 39), compost containing organic household waste (n = 124), and compost originating from green waste (n = 55). Line: median; dotted line: mean; box: 25th and 75th percentile; lines with whiskers: 10th and 90th percentile; dots: outside values.
