By mid-winter in Minnesota, roadways, sidewalks, and cars all sport a veneer of road salt. From home-owners to professional salt applicators, cautious Minnesotans don’t just use the recommended 1-3 cups of sodium chloride per 1,000 feet of pavement to get rid of ice, they over-salt. On parking lots and sidewalks, piles of de-icing salt collect from excess application.
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