He is especially concerned about the toxic effects of the pesticide methyl bromide.

CNN: A novice senator finds a new cause to fight for

The FSA says that of the six compounds listed above, only one - methyl bromide - is found during monitoring.

BBC: Q&A: Are pesticides getting into food?

"The U.S. and many European countries are phasing out this pesticide, and here we are building hundreds of hectares of golf courses which use methyl bromide, " says Flavier.

CNN: A novice senator finds a new cause to fight for