・Although most tap water meets legal standards set by the federal government, one group of researchers found that contaminants present in tap water create a measurable risk for cancer.
・Tap water not as safe as you think
・The Water Research Center says that using ozone water treatment in lieu of chlorine reduces the risk of chemicals leaching into water supplies.
https://chicago.suntimes.com/2019/10/8/20893955/safe-drinking-water-poses-health-risk-new-study
