Bromide ion and residual bromine; tolerances for residues.

§ 180.519 Bromide ion and residual bromine; tolerances for residues.

(a) General. The food additives, bromide ion and residual bromine, may be present in water, potable in accordance with the following conditions:

(1) The food additives are present as a result of treating water aboard ships with a polybrominated ion-exchange resin (as a source of bromine) under the supervision of trained personnel.

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