SunCoke Energy Inc. and two of its subsidiaries will pay $1.995 million in a settlement of alleged Clean Air Act violations at two power plants in Ohio and Illinois.
The settlement breaks down to $255,000 on a lead abatement project in southern Illinois, $1.27 million to the U.S., $575,000 to the state of Illinois, and $150,000 to the state of Ohio. The companies must also spend approximately $100 million to install heat recovery steam generators at the Gateway Energy and Coke plant in Illinois and the Haverhill Coke plant in Ohio, and $700,000 on equipment to monitor sulfur dioxide (SO2) emissions at the plants. If a third plant in Ohio exceeds emissions threshold, then the company will have to install an HRSG there.
The states alleged that the plants had excessive bypass venting of hot coking gases directly into the atmosphere, resulting in excess SO2 and particulate matter emissions. The emissions controls are expected to reduce emissions more than 1,200 tons per year (tpy) of SO2, 130 tpy of particulate matter, 252 tpy of hydrochloric and sulfuric acid gases and more than 1,800 tpy of lead.
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