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Coal-tar-based pavement sealant a major source of PAH contamination in Milwaukee streams

Green Car Congress

Runoff from pavement with coal-tar-based sealant is the primary source of toxic polycyclic aromatic hydrocarbons (PAHs) to streambed sediments in Milwaukee, Wisconsin, according to a US Geological Survey and Milwaukee Metropolitan Sewerage District open-access study published in the journal Environmental Toxicology and Chemistry.

Milwaukee 210
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The Rise and Fall of 3M’s Floppy Disk

Cars That Think

A number of years ago, back when I lived in Milwaukee, I found a couple of blank reel-to-reel tapes created by 3M using the Scotch name. Wind-vortex generators: In 2016, 3M developed a technology to help wind turbines generate airflow more optimally to ensure they work better, in partnership with Smartblade.