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A disinfection byproduct formed when ozone used in water treatment reacts with bromide.
Associated with an increased risk of cancer, and can cause kidney damage when ingested in high levels over long periods.
Commonly found in water due to agricultural runoff, sewage, and industrial waste.
Can cause methemoglobinemia, or "blue baby syndrome," in infants and may increase the risk of cancer and thyroid problems with prolonged exposure.
A naturally occurring mineral found in water from soil leaching, rocks, and industrial processes.
High sulfate levels can cause gastrointestinal discomfort, including diarrhea, especially in infants and sensitive populations.
Source: Public water supply, Dallas, TX