CAN YOU HOLD THE SALT?

摘要

Since the 1960s, this has led to a steady increase in the quantity of road salt applied to roads-now totaling around 25 million tons each year. With more awareness of the environmental impacts of traditional deicers-such as elevated chloride levels in surface and groundwa-ter-transportation agencies have been proactively making changes to their winter maintenance operations over the last decade. While one approach has been to consider alternative deicing products, a second approach has been to implement improved methods that reduce the amount of deicer applied.