(a) the equivalency of the alternative method to the normally applicable method be validated in accordance with the American Society for Testing and Materials method D 4855-97, Standard Practice for Comparing Test Methods, or the American Society for Testing and Materials method D 3764-01, Standard Practice for Validation of Process Stream Analyzer Systems; and
a) l’équivalence entre la méthode de rechange et la méthode normalement applicable est validée conformément à l’une ou l’autre des méthodes ci-après de l’American Society for Testing and Materials : la méthode D 4855-97, intitulée Standard Practice for Comparing Test Methods, et la méthode D 3764-01, intitulée Standard Practice for Validation of Process Stream Analyzer Systems;