“…Special attention should be given to potentially toxic elements (As, Cd, Cr, Cu, Hg, Ni, Pb, Zn, …). The abundance of potentially toxic elements (PTE) in peloids must be very carefully controled because of their potential hazardous effects on health (Summa et al, 1998, Mascolo et al, 1999, Vreča et al, 2000, Mascolo et al, 2004, Veniale et al 2004, Vreča and Dolenec, 2005, Tateo and Summa, 2007, Gomes and Silva, 2007, Veniale et al, 2007, Miko et al, 2007, Miko et al, 2008, Tateo et al, 2009, Karakaya et al, 2010, Carretero et al, 2010, Mihelčić et al, 2011, Rebelo et al, 2011.…”