A
allow to have certain emissions up to a certain tonnage. It's in,
B
Okay.
A
in, in tons per year. Um, and so, w-, w-, you know, what we do to make contributions so that, basically, we go and do things like put in high-tech scrubber systems, uh, that, uh, scrub out the, N O X and, uh, V O C's and, and ammonia compounds, uh, like all the acids, to a certain level. We,
B
Uh-huh.
A
are very, um, aware of the opacity, which is the thickness of a stack emissions. So if you don't see anything coming out of a stack the opacity is zero or twenty or thereabouts. And so what we go through is, uh, if you see it smoking there's a problem. And having worked with some of the legal folks very closely, uh, it becomes a real issue, especially, when it's smoking and you have to get it fixed el pronto.
B
Um.