Ah...but it IS smoke.
I had to "grind" a bit for this one
The feds claim the process that produces this, also produces smoke with tiny particles that trigger serious ailments.
Obviously someone calls the emissions "smoke".
;-)
Seriously, even if it's simply particulates that's still bad. Why crucify the EPA for doing it's job after receiving a complaint? The fact that the company "acknowledged it's problem" seems to indicate it's obviously a health hazard and in violation of the law.