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(Google Maps)

Chicago facilities that process potentially harmful industrial materials must now take further steps to ensure they aren’t polluting surrounding neighborhoods.

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John Berg, an environmental health specialist with the DuPage County Health Department, runs water from a private well in Willowbrook on Dec. 13, 2018, as part of testing for levels of cancer-causing ethylene oxide. (Alex Ruppenthal / WTTW)

Water samples collected at homes near a suburban medical sterilization plant linked to a cancer-causing gas showed no signs of contamination, environmental regulators announced Wednesday.

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Illinois Attorney General Lisa Madigan (Chicago Tonight file photo)

A group of state attorneys general, including Lisa Madigan, is demanding that the EPA withdraw its plan to delay a regulation aimed at reducing emissions of methane and other pollutants from landfills.

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(Pixabay)

The advocacy group Moms Clean Air Force warns that a Trump administration proposal to weaken standards for emissions of toxic mercury would harm residents and wildlife across Illinois. 

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An overhead view of Watco's storage terminal at 2926 E. 126th St. in Chicago. (Google)

After finding high levels of brain-damaging manganese near Watco Transloading’s facility on the Southeast Side of Chicago, the EPA has accused the company of violating the Clean Air Act. 

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An overhead view of Watco's storage terminal at 2926 E. 126th St. in Chicago. (Google)

Watco Transloading faces up to $20,000 in city fines for failing to control emissions of brain-damaging manganese from its storage facility along the Calumet River. 

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John Berg, an environmental health specialist with the DuPage County Health Department, runs water from a private well in Willowbrook on Thursday as part of testing for levels of cancer-causing ethylene oxide. (Alex Ruppenthal / WTTW)

Water testing at homes in suburban Willowbrook is the latest step in the response to concerns over the release of dangerous ethylene oxide gas by Sterigenics International. 

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An overhead view of Watco's storage terminal at 2926 E. 126th St. in Chicago. (Google)

As regulators continue to monitor manganese emissions at S.H. Bell Co., new air monitoring data shows alarming levels of the brain-damaging heavy metal near another industrial facility in the area.

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(Pixabay)

The Trump administration is taking another swing at coal regulations, announcing that it plans to ditch an Obama-era rule that set pollution limits for new coal-fired power plants.

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(Carvermittler / Pixabay)

The first chunk of Illinois’ windfall from the Volkswagen emissions lawsuit settlement will fund cleaner-burning bus and train engines for CTA, Metra, Pace and other agencies.

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After reports of a dangerous gas being emitted from several suburban industrial sites, U.S. Sen. Tammy Duckworth and other lawmakers have introduced a bill that would force the EPA to more quickly disclose similar public health risks. 

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(SD-Pictures / Pixabay)

Air pollution’s impact on life expectancy exceeds that of communicable diseases such as AIDS, cigarette smoking and even war, according to a first-of-its-kind study from the University of Chicago.

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A map of the zones included in the EPA’s soil testing on the Southeast Side (U.S. Environmental Protection Agency)

The ongoing probe into harmful levels of brain-damaging manganese on Chicago’s Southeast Side has turned up another, more familiar neurotoxin: lead.

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U.S. Sen. Dick Durbin appears on “Chicago Tonight” on Feb. 21, 2018.

U.S. Sen. Dick Durbin is calling for federal action following a report that identified an Illinois meat-processing plant as the worst-polluting plant of its type in the country.

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(SD-Pictures / Pixabay)

An inexpensive drug for Type 2 diabetes also decreases the risk of heart attacks and strokes caused by air pollution, according to a new Northwestern Medicine study.

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A beef-processing plant (istanbulimage / iStock)

A pork-processing plant in western Illinois released an average of nearly 2,000 pounds of harmful nitrogen per day into a tributary of the Illinois River last year, according to a new report.

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