
Fly ash
29/07/2011 · Fly ash is very light and will become airborne in the slightest breeze. If any ash is spilled, there is a big EPA fine to pay plus private lawsuits. In S. Cal the laws are much more strict than here. Remember to use a good quality mask when handling fly ash and try to stay upwind. Three to ten microns is the average diameter. Health professionals think your lungs cannot expel particles less ...