They are not national regulations, however; they're national guidelines, which are implemented by the provinces rather than —particularly targeting— Secondly, we have been working with Agriculture Canada in recent years to try to formulate environmental quality standards with respect to beneficial management practices in agriculture, such as the setbacks and buffer zones, etc., and their performance with respect to the actual concentrations in the receiving water, which would help guide the formulation of those practices.
Il ne s'agit pas de règlements nationaux, mais de directives nationales, qui sont appliquées par les provinces, plutôt que. .ciblant particulièrement.