Other countries have banned fertilizer responsible for Texas explosion due to its risk.
from Mother Jones
"It didn't take long in the aftermath of April's explosion in West, Texas, for the problems with the fertilizer industry to come into focus. Inspections are virtually nonexistent; regulatory agencies don't talk to each other; and there's no such thing as a buffer zone when it comes to constructing plants and storage facilities in populated areas.
"Lost in the fallout, though, is a damning fact: Fertilizer doesn't have to be explosive. Pure ammonium nitrate like the kind that caused the West disaster is already banned in the United Kingdom, Germany, Colombia, the Philippines, and China, due to its explosive risk; Australia's largest fertilizer manufacturer discontinued the use of the compound after it was used in the 2002 Bali hotel bombing. And the Department of Defense has pressured fertilizer manufacturers overseas to neutralize their own products, warning that anything less constitutes a threat to American personnel. But in the United States, with the backing of the chemical industry, explosive ammonium nitrate has held onto a small but powerful share of the market as the fertilizer of choice for citrus growers. …"
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