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Toxic Release Inventory (TRI)

TRI on-site and off-site releases to air, water and land are a key performance indicator. This includes direct releases to the environment, which is a subset of the total releases and transfers reported annually to the U.S. EPA. In 2014, our Toxic releases increased 13% over prior year, due in large part to operational changes at a wastewater treatment facility. Air emissions and hazardous air pollutants (HAPs) declined due to improved leak detection and repair.

TRI Releases (millions of pounds)

CY2014 CY2013 CY2012
Air 0.39 0.50 0.60
HAPs* 0.21 0.25 0.34
Water 0.22 0.05 0.03
Land 0.32 0.27 0.27
Total 0.93 0.82 0.91
*Hazardous Air Pollutants as defined by EPA. Subset of total releases to air.


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