"Chemical Depots Fall Under a Patchwork of Rules"
"NEW BRAUNFELS, TX — Off a dirt road connected to ever-flowing Interstate 35, a little metal sign on a wooden fence is the only indication of what lies ahead. Nearby, Buckley Powder, a mining and construction supply company, stores large quantities of ammonium nitrate, the source of the explosion at a fertilizer depot that killed at least 14 people and injured hundreds more last month in West."