“…Of the common pesticides and herbicides, Carbofuran, Alachlor, Ametryn, Atrazine and Isoproturon have been studied to see how they degrade in agricultural uses (e.g., Agrawal, 1999;Chilton et al, 1995;Harrison et al, 1998;Johnson et al, 1998;, although more work is still required similar to that of Houtman et al (2004) that traces endocrine disrupting compounds (EDCs) in sediments of river deltas. Most of the studies have been on laboratory batch experiments, a few on actual field samples of the groundwater and surface waters (Chilton et al, 1995;Johnson et al, 1998Johnson et al, & 2000. Carbofuran breaks down to a 3-OH-7-phenol group when quantities of 12 kg per hectare are applied, with groundwater analyses picking up concentrations of 10-60 lg/l (Chilton et al, 2000).…”