Alaska Fish Factor

Bulldozers, blasters, excavators, vibrators, jaw crushers, drillers, graders, crushers, huge trucks and other heavy equipment are tools of the trade when building and operating large mines - and they all kick up a lot of dust.

In the case of the Pebble Mine, the project is expected to generate 8,300 tons of so called fugitive dust in its annual mining operations. Another 5,700 tons will come from building the 83 mile main road to Cook Inlet, and the 35 daily round trip trucking of mineral concentrates will churn out 1,500 tons of road dust each year.

When it’s blowing in the wind, the dust wil...