Urban Stream Contamination Increasing Rapidly Due to Road Salt
Reston VA (SPX) Dec 26, 2014 - Average chloride concentrations often exceed toxic levels in many northern United States streams due to the use of salt to deice winter pavement, and the frequency of these occurrences nearly doubled in two decades. Chloride levels increased substantially in 84 percent of urban streams analyzed, according to a U.S. Geological Survey study that began as early as 1960 at some sites and ended ... more
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