1 |
Free Available ChlorineThe amount of chlorine available in water. This chlorine may be in the form of dissolved gas (Cl2), hypochlorous acid (HOCl), or hypochlorite ion (OCl–), but does not include chlorine combined with an [..]
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2 |
Free Available ChlorineThe portion of total chlorine remaining in chlorinated water that is not combined with ammonia or nitrogen compounds and will react chemically with undesirable or pathogenic organisms; the amount of hypochlorous acid and hypochlorite ion in the water. ^
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3 |
Free Available ChlorineThe concentration of residual chlorine present as a dissolved gas, hypochlorous acid or hypochlorite, not combined with ammonia or in other less readily available forms.
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