How much of an over dose? If ...
Published by Joseph Cotruvo, President at Joseph Cotruvo & Associates, Water , Environment and Public Health
How much of an over dose? If not much just let it go. Or, you could add some sulfur dioxide to reduce some of it. You could allow some chlorine to purge off if the excess does not react with the remaining TOC quickly. You could add some ammonia to reduce the free chlorine while retaining distribution system residual.