ABSTRACT

ELENA CRISTINA RADA, MARCO RAGAZZI, GABRIELA IONESCU, MARCO TUBINO, WERNER TIRLER, and MAURIZIO TAVA

6.1 INTRODUCTION

In the last years, the scientific community has concentrated their research on dioxin source and their impact over surroundings. PCDD/Fs can be released from natural causes by incomplete combustion of organic material or volcanic activities. Evidence shows that human activities are the most main generator and polluter of dioxin with: steel sector [1, 2], cement works [3] and waste treatments [4, 5, 6]. In European Union the introduction of more and more stringent emission limits has significantly reduced the role of incineration in the emission inventories. Some studies have analysed the PCDD/Fs presence in soil [7], ambient air [8], food fats

[9], human blood and breast milk [10, 11]. Ashes, sediments and sewage sludge have been analysed in many countries [12, 13] in order to have a clear overview of the PCDD/Fs presence.