There is a significant acceleration. We're moving from the two departments doing about 10 assessments a year, which would cover a number of substances larger than that--there could be more--to moving forward with between 15 and 30 through the challenge program every quarter. There are a couple of things that make the answer to your question a little difficult in terms of a precise time, but if we talk about a number of specific things that will happen, there have been 500 priorities that have been identified, and those are being acted on immediately.
There were 150 substances that met the criteria, that are on the domestic substances list, which means they are allowed for use in Canada, and we're going to say those should no longer be used. And that was done over the weekend. There's the challenge program for industry, which speaks of 200. There are another 150 where we're going to say there are limited uses that are acceptable and that's it, we will do that. That will deal with essentially 500 of the 4,000 in very quick order.
We've committed to also doing rapid screening assessments, by the spring, of another 1,200 to come through regulatory conclusions, where we think that's straightforward.