Amtrak, Quest Diagnostics and other defendants were sued Wednesday in Pennsylvania Eastern District Court. The court action was filed by Swartz Swidler LLC on behalf of a former Amtrak employee who contends her drug test conducted by Quest was a false positive and was wrongfully terminated as a result. Counsel have not yet appeared for the defendants. The case is 2:23-cv-01580, Tourneur v. National Railroad Passenger Corporation et al.