I will answer that question.
That might very well have been the case, but the fact is that Health Canada does not have the capacity to approve antimicrobials, or a long list of veterinary medications that the Food and Drug Administration allows Americans to use. As an organization, they employ 10,000 people while Health Canada employs about 800.
Canada should accept everything that the Americans have already approved. In 2009, there is really no use in conducting our own studies on products that the Europeans or the Americans have already approved. For products that are genuinely intended for food safety, we should be able to avoid redoing all the studies.