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Starting Jan. 1, 2025, the first prohibitions of products containing intentionally added PFAS took effect in Minnesota.

Carbon monoxide (CO) is a product of the incomplete combustion of carbon-based fuels—including gasoline, diesel fuel, crude oil, and wood—and other natural and synthetic products. Breathing in…

Ground-level ozone is a secondary pollutant formed through chemical reactions between nitrogen oxides (NOx) and volatile organic compounds (VOCs). Ozone can irritate the eyes, nose and throat,…

Polycyclic aromatic hydrocarbons (PAHs) are a class of more than 100 chemicals that occur naturally in coal, crude oil, and gasoline, and are also present in products made from fossil fuels, such as…

Sediment is composed of loose particles of sand, clay, silt, and other substances. Sediment flows into Minnesota lakes, rivers, and streams via runoff in both urban and rural areas.

Petroleum spills from pipelines, trains, trucks, storage tanks, and other sources have damaged natural resources throughout Minnesota.