West Fertilizer reported having 270 tons of ammonium nitrate on hand in February . The plan listed as a worst-case scenario `` the release of the total contents of a storage tank released as a gas over 10 minutes '' and did not warn of the risks of explosion . The declaration went to state and local officials but not federal agencies . Comment:
West Fertilizer reported having 270 tons of ammonium nitrate on hand in February . The declaration went to state and local officials but not federal agencies . Comment: