Director Steve McCraw

File photo of smoke rising from the rubble of a house next to the West Fertilizer Co. plant that exploded. Texas Department of Public Safety Director Steve McCraw was among the officials who told lawmakers that 129 facilities store at least five tons of ammonium nitrate and other potentially explosive materials. Sixteen of those were fertilizer-mixing facilities similar to the West Fertilizer Co., which blew up following a fire that ignited ammonium nitrate. (Photo by Erich Schlegel/Getty Images)

Lawmakers: Put Dangerous Chemical Site Info Online

There are 16 fertilizer production sites in Texas like the one that exploded in West, but authorities aren’t clear how many of those might be built near schools or other residential centers, a top state official said Monday.