EPA has found barium to potentially cause gastrointestinal disturbances and muscular weakness when people are exposed to it at levels above the maximum contaminant level (MCL) of 2 ppm for relatively short periods of time. In addition, barium has the potential to cause high blood pressure from a lifetime exposure at levels above the MCL. Additional information on barium can be found at https://safewater.zendesk.com/hc/en-us/sections/202346507.
What are the health effects associated with barium in drinking water?
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