Episode 13). Blueprint for Disaster External links National Transportation Safety Board (NTSB) summary report "Seconds from Disaster" episodes Minnesota Daily reports "20 killed, 80 hurt in Puerto Rico explosion" Explosions in 1996 1996 industrial disasters Disasters in Puerto Rico Explosions in Puerto Rico Río Piedras, Puerto Rico 1996 in Puerto Rico 1996 disasters in the United States Gas explosions in the United States November 1996 events in North America