Translate the following English sentence to French:
"Finally, I would like to say that not one lobbyist from the chemical industry has come up to me. My concern relates solely to the vague application of the precautionary principle."
Pour finir, je constate qu'aucun "lobbyiste" de l'industrie chimique ne s'est approché de moi et mon souci concerne uniquement l'usage flou du principe de précaution.