Death by dirty water: Storm runoff a risk for fish
from The Associated Press via Yahoo
From Nov. 26:
Just hours into the experiment, the prognosis was grim for salmon that had been submerged in rain runoff collected from one of Seattle's busiest highways. One by one, the fish were removed from a tank filled with coffee-colored water and inspected: They were rigid. Their typically red gills were gray. This was the fate of coho salmon exposed to the everyday toxic brew of dirt, metals, oil and other gunk that washes off highway pavement after rains and directly into Puget Sound. When that runoff was filtered through a simple mixture of gravel, sand and compost, however, the outlook was much brighter.
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