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Science 25 March 1977:
Vol. 195. no. 4284, pp. 1335 - 1337
DOI: 10.1126/science.195.4284.1335
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Articles

Sunlight-Induced Bromate Formation in Chlorinated Seawater

DONALD L. MACALADY 1, JAMES H. CARPENTER 1, and CYNTHIA A. MOORE 1

1 Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida 33149

Chlorinated waters are being introduced into estuarine and coastal areas in increasing quantities. In such systems, the chlorine reacts with the natural bromide and ammonia to produce the highly toxic hypobromous acid, hypobromite ion, and haloamines. Sunlight causes up to 50 percent conversion to bromate ion, which is persistent in natural waters and has an unknown toxicity.

Submitted on July 26, 1976
Revised on November 12, 1976

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Science. ISSN 0036-8075 (print), 1095-9203 (online)