Well, the Ontario government has done a study of projects like Plasco, and there are other ones that are well along in the development stages, some in the U.S. and in Europe. The analysis shows that in many cases the amounts are undetectable.
I was at some hearings in California, and people said that if they're undetectable, why not say it's zero? Well, an engineer will say it's zero today because we can't detect it, that the instruments today will not detect the mercury coming out or the lead or whatever, but maybe sometime in the future, 20 years from now, somebody will develop a technology to identify these nanoparticles.
You could basically say we'll never do anything because there might be something we don't know. You do need the science, but importantly, you need to know what's going into that garbage, and that's where the regulations and restrictions could be much tighter.