PM 2.5

Grain Processing to pay $50 million to compensate Muscatine residents harmed by plant's air pollution

Grain Processing Corporation (GPC) has been ordered to pay $50 million in damages to settle a class action lawsuit over air pollution from its Muscatine corn-milling plant that harmed thousands of nearby residents.

Iowa District Court Judge John Telleen gave preliminary approval of the settlement Monday (October 22), concluding six years of litigation over air pollution from the GPC facility.

Air quality exceedances fall sharply in 2015; Muscatine GPC pollution reduction main reason

The number of exceedances of National Ambient Air Quality Standards declined sharply in 2015 compared with 2014, due in large part to reductions in pollution emitted by Grain Processing Corporation's (GPC) corn-milling operations in Muscatine.

According to the Iowa Department of Natural Resources (IDNR) air quality report for 2015, 17 exceedances of the sulfur dioxide ambient air standards were recorded and 8 exceedances of the PM 2.5 (fine particulate) standard.

All 17 SO2 exceedances and one of the eight PM 2.5 exceedances occurred at Muscatine air monitors.

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