As I've understood Environment Canada, they feel that when something is put on the virtual elimination list, they have to have limits of quantification for it for all circumstances, and that would appropriately include emission releases from plant operations. I think they also feel—at least, as it's been explained to me—that they have to have limits of quantification for these substances as trace contaminant levels in products. That might make sense sometimes, if there were problematic contaminant levels. But as I understand it, they feel they need to have an LOQ, a limit of quanitification, even if they're not problematic. We suggested a fix modeled on the POPs, and I think that would help.
But I can't answer your question; it is puzzling.