Sentences with phrase «deicing road salts»
The use of deicing road salts has increased from.28 million metric tons per year in the 1940s to over 16 million metric tons per year today.
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Human groundwater contamination can be related to waste disposal (private sewage disposal systems, land disposal of solid waste, municipal wastewater, wastewater impoundments, land spreading of sludge, brine disposal from the petroleum industry, mine wastes, deep - well disposal of liquid wastes, animal feedlot wastes, radioactive wastes) or not directly related to waste disposal (accidents, certain agricultural activities, mining, highway deicing, acid rain, improper well construction and maintenance, road salt).
And he says he supports legislation to prevent the fracking waste water to be spread on roads for dust control or as deicing salt.
The study is the first to demonstrate that the animals can rapidly evolve higher tolerance to road salt, and indicates that freshwater ecosystems may possess some resilience in the face of a 50-fold increase in road deicing salt applications since the 1940s.
The company produces salt (primarily used by cities for deicing roads but has many consumer and industrial uses as well), specialty potash (a premium fertilizer that improves the quality, yield, and shelf life of high - value fruit, vegetable, and tree nut crops), micronutrients (essential minerals that maximize plant yields), and magnesium chloride (used in numerous ways including roadway deicing, dust control, and as plant nutrients for wheat crops).
They make most of their money producing and selling road deicing salt for use in cold snowy climates.