odium chlorate is available from various on line sites. but the "ban "
is for two reasons. One is that plant debris treated with sod chlorate
is liable to bust into flames unexpectedly. A number of cases of compo
claims were made because of it. e.g. People sitting on bench in cemetery
with weed debris beneath were burned when it caught fire suddenly.
Second is that it can be used in explosives whish in light of terrorism
today is made hard to get. ammonia and ammonium chloride can be quite
potent if you can stand the smell. use goggles whichever Hope this
helps. you use.