Findings from the UK pesticide monitoring scheme

This is given as an example because it illustrates how misleading statistics in MRLs can be. This is particularly important when MRLs are erroneously used as an indicator of toxicity. 

Despite its ban in the UK, residues of vinclozolin have been detected in UK-grown winter lettuce for at least six years (Table 10.6). These residues present a negligible risk to the consumer because their concentration is far too low to result in an anti-androgen effect. Nevertheless residues indicate that the pesticide has been used illegally by UK growers and therefore action must be taken. 

Much to the chagrin of the lettuce growers, lettuce imported from countries where vinclozolin is approved for use is legal in the UK providing its residues do 

---