![]() ![]() But the individual states were left in charge of establishing and implementing air pollution regulations for the aluminum industry – with advice from the companies – for more two decades. Federal air pollution regulations were slow to come, with the Environmental Protection Agency and the Clean Air Act established in 1970. history occurred in Donora, Pa., on Halloween night 1948, when 20 people died but a thousand lives were threatened. The worst case of fluoride pollution in U.S. Fluoride pollution did not respect international borders, as emissions from aluminum plants in New York crossed into Canada, impacting farms on Cornwall Island. The sometimes violent “guerre du fluor” in Switzerland brought international attention to fluoride pollution during the 1970s. A deadly mist that killed at least 60 people in Belgium in 1930 wasn’t attributed to fluoride until seven years later. The earliest monetary settlements for damages by fluoride pollution took place in Europe in the 19 th century and involved superphosphate plants, but the science wasn’t clear for decades. Controlling air pollution was costly for industry, which needed to purchase expensive equipment and keep it maintained, and for government, which had to find a new way to handle garbage, monitor burning across the Flathead Valley and pay for paving streets. For photos and images related to this topic, visit the photo albums on the Facebook site "From Superstar To Superfund." Chapter 29 – Emission control By the 1960s, Columbia Falls faced point and nonpoint air pollution sources – timber plants and the aluminum smelter on the one hand, and garbage burning and dusty streets on the other hand.
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