Researchers found that 68% of children under 6 in Chicago are exposed to lead-contaminated water, with 69% of tests exceeding the safe limit of 1 ppb. Disparities in exposure levels and testing rates were found among racial groups, indicating environmental racism. Lead is toxic, especially for kids, and no level of exposure is safe. Despite the ban on lead pipes in 1986, many cities, including Chicago, still have them. The EPA recommends cities replace lead pipes within 10 years, but Chicago would have 40 years due to infrastructure challenges. Machine learning can help identify lead exposure, and efforts are needed to address environmental racism and improve access to testing services.
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