E (environment) Code (agreement is environmental or not):
Source for E (environmental) code:
Text used for E (environmental) coding:
Agreement Between Mexico And The United States For Cooperation On Environmental Programs And Transboundary Problems, Annex III, Transboundary Shipment Of Hazardous Wastes And Hazardous Substances
Words used to code as Environmental:
boundary/environment/hazardous waste/ship/waste