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There may be intermittent outages of the KPBS 89.5 stream and Classical San Diego stream due to maintenance today between 10 a.m. and 6 p.m.

Feds Urge Fluoride Levels Be Watered Down

January 18, 2011 12:42 p.m.

As San Diego waits for water fluoridation, the U.S. Departments of Health and Human Services and the Environmental Protection Agency re-evaluate how much fluoride is too much fluoride.

Related Story: Feds Urge Fluoride Levels Be Watered Down