“…The variability of As contents between wines, is not only related with different concentrations of this element in soils (Grillet et al, 2004;Kment et al, 2005) but also with the use of pesticides in grape growing (Inacio, Pereira, & Pinto, 2007). Considering San Juan wines, they are separated through As high concentration, probably according to soil composition, since its contamination is clearly known (O'Reilly, Watts, Shaw, Marcilla, & Ward, 2010).…”