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Pages 4-6

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From page 4...
... Preface Deicing chemicals, along with plowing and sanding, are important tools for highway snow and ice control. For many years, however, it has been widely acknowledged that the most popular deicing chemical, sodium chloride or common road salt, has many unintended and often costly side effects.
From page 5...
... the Federal Highway Administration (FHW A) of DOT asked TRB to examine each deicer for both general deicing and selective uses, such as in environmentally sensitive areas and on corrosion-prone bridges.
From page 6...
... jected to numerous government-sponsored evaluations. As a result, the committee focused on these two products.

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