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Water testing in Chicago raises concerns about screening process for lead

Sep 13, 2011 9:31:59 PM- chicagotribune.com
Nationwide, water is screened for lead by checking the first sample of water from homeowners' faucets. But results of recent federal testing in Chicago show that although all homes passed that first test, nearly 45 percent had lead levels spike when more water samples were taken directly afterward.


USA, Illinois: (Latest Stories)