(WXYZ) - Michigan ranks among the top 20 most toxic states in the country, according to a new report being released Thursday.
The National Resources Defense Council analyzed data collected by the Environmental Protection Agency.
Researchers monitored the level of air pollution coming from coal and oil-powered plants. They were specifically interested in levels of mercury, hydrochloric acid, sulfuric acid and ammonia.
Researchers say high exposure to these chemicals can lead to health problems, including asthma, allergies, cancer and birth defects.
The official rankings will be released at 11:30 a.m., but the organization has already confirmed that Michigan is among the top 20 most toxic states in 2012.
Michigan was named the 7th most toxic state in the 2011 rankings.
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