[Stoves] Particulate emissions and testing - was Water in coal

[Alex and Christine English]

Crispin,
I think you could prove the CO-PM link on carefully monitored T-LUDs and 
downdrafts burning wood. I'm doubtful about the rest. Dean has the technology
to run the tests. 

The US EPA   wood stove regulations are to some extent based on
there being no useful CO-PM correlation for batch cord wood burners.

We passed the particulate emissions test on our industrial chip burner
by focussing on CO reduction. Excess air between 50 and 100% (sweet when low), 
and reducing underfuel (primary) air seemed to be the answer for a furnace that
has no special flame mixing or refractory (retention time) chamber.

Alex