Systemic errors led to a 2012 train derailment in New Jersey that released a dangerous gas into the air, sickening residents and emergency responders, the National Transportation Safety Board said Tuesday in a scathing report. The NTSB faulted Conrail for continuing to open and close the swinging bridge where the accident occurred despite a consultant's recommendation not to. The board also criticized Conrail and state and local officials for the way they handled their emergency response. NTSB member Robert Sumwalt said in the meeting in Washington that he often describes emergency responses as "organized chaos.Read more on NewsOK.com