The analysis showed that the sinter plant and coke oven are the two major sources of SO2 compared to steel melting shop and refractory material plant and blast furnace.</p>.<p>“These ...
346a(d), to amend 40 CFR part 180.444 by establishing a tolerance for residues of the fungicide sulfur dioxide (determined as (SO2)), in or on the raw agricultural commodity fig at 1.5 parts per million ... SO2 + H2O → H2SO3.