Blood, serum, and breast milk were obtained from many donors of Campania Region.
Priority POPs and heavy metals As, Cd, Hg, and Pb were measured in pooled samples.
Dioxins, PCBs, and PBDEs in serum and milk were within current values in Europe.
Metals were within current values in Europe; As, Hg showed a relative overexposure.
Biomarkers responded at municipality level, to possibly drive future interventions.