We use inspection. Every time we go and inspect a facility—or a shipper, I should say, because the obligation is on the shipper and the importer to properly classify—we have inspections. We have chemists. My advisors at CANUTEC are actually trained chemists who can look at how these tests are done.
The testing is done following the UN recommendations. It's part of our regulations. It's all indicated in part II of our regulations, and it determines and indicates very specifically how testing can and should be done in relation to what the United Nations has recommended as proper testing and classification.