Ships offshore aren't really the problem - the AN is kept seperate in hoppers and an exploding ship offshore is not going to kill many. Years ago I did a shotfirer's course. You don't store AN in a single pile in a warehouse. You segregate it by bagging it or binning it so if one bin or bags accidentally catches fire the entire pile doesn't turn into a self sustaining fire which then triggers a runaway reaction.
I not lawyer/teacher/CPA.
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