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Why Didn't 2,400 Tons of Ammonium Nitrate at Texas Plant Raise Regulatory Concerns?

How a fire caused the ammonium nitrate to detonate is the focus of federal and state investigations into the explosion.

April 25, 2013 •

Caroline Cournoyer

How a fire caused the ammonium nitrate to detonate is the focus of federal and state investigations into the explosion.

Caroline Cournoyer

Caroline Cournoyer is GOVERNING's senior web editor.

See More Stories by Caroline Cournoyer