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interesting topic good work Salt Pollution As awareness for pollution increases other forms of pollution are defined Almost everyone knows about toxic waste and carbon dioxide pollution but not many people have heard of salt pollution Salt pollution has been on the increase since the evolution of the automobile With more pressure on government agencies to keep the highway clear and safe an increase in the use of salt has developed It is important to understand why salt is used and how it work as well as the environmental effects to understand the salt pollution problem Salt is a necessary and accepted part of the winter environment It provides safety and mobility for motorists commercial vehicles and emergency vehicles Salt is used as the principal deicer because it is the most available and cost-effective deicer Rock salt is preferred because it is cheap and effective It costs 20 dollars a ton where as an alternative like calcium magnesium cost around 700 dollars a ton Some 10 million tons of deicing salt is used each year in the US and about 3 million in Canada Salt is used to keep snow and ice from bonding to the pavement and to allow snowplows to remove When salt is applied to ice and snow it creates a brine that has a lower freezing temperature than the surrounding ice or snow Salt is the ideal deicing material because it is the least expensive deicer easy to spread easy to store and handle readily available non-toxic harmless to skin and clothing Salt pollution is broken into two main groups Water which includes the effects on ground water surface water and aquatic life and land
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