[Code of Federal Regulations]
[Title 40, Volume 22]
[Revised as of July 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 40CFR180.519]

[Page 490]
 
                   TITLE 40--PROTECTION OF ENVIRONMENT
 
         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)
 
PART 180_TOLERANCES AND EXEMPTIONS FROM TOLERANCES FOR PESTICIDE CHEMICALS 
IN FOOD--Table of Contents
 
                      Subpart C_Specific Tolerances
 
Sec. 180.519  Bromide ion and residual bromine; tolerances for residues.

    (a) General. The food additives, bromide ion and residual bromine, 
may be present in potable water 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.
    (2) Residual bromine levels are controlled to not exceed 1.0 part 
per million (ppm) in the final treated water. Control is effected using 
calibrated recirculating or proportioning bromine feeder equipment and 
periodic checks of residual bromine using a bromine test kit. To assure 
safe use of the additives, the label and labeling of the disinfectant 
formulation containing the food additives shall conform to the label and 
labeling registered by the U.S. Environmental Protection Agency.
    (3) No tolerance is established for bromide ion levels.
    (b) Section 18 emergency exemptions. [Reserved]
    (c) Tolerances with regional registrations. [Reserved]
    (d) Indirect or inadvertent residues. [Reserved]

[41 FR 17893, Apr. 29, 1976. Redesignated at 41 FR 26568, June 28, 1976, 
and at 53 FR 24667, June 29, 1988. Redesignated and amended at 63 FR 
34319, June 24, 1998]