Abstract
The Environmental Agency of the State of Sao Paulo - CETESB, in 2005, adopted guideline values for heavy metals in soils. However, studies seeking to validate these guideline values are still rare and incipient for cadmium (Cd). In this context, the objective of this study is to generate subsidies to reevaluate the guideline values for Cd in the soils, suggested by CETESB, using lettuce p…