The lawyer representing Conrail, Norfolk Southern and CSX in connection with a 2012 train derailment and chemical spill in Paulsboro, N.J., is seeking sanctions and a protective order against a plaintiffs lawyer who allegedly defied a court order by releasing an investigative report to the media.

The railroads’ lawyer claims that plaintiffs lawyer Mark Cuker violated a protective order when he gave reporters an email from an official of the National Transportation Safety Board to a consultant for the defendants, according to court documents. The email said that the level of vinyl chloride contamination released into the air in Paulsboro after the crash was greater than what Conrail indicated on a website it set up after the derailment.