Within the context of the project "monitoring and information systems of wastes", the situation regarding the most relevant wastes and emissions of the Dutch oil and gas industry is investigated. The base year is 1990. The report presents information on causes, sources, quantities, composition and disposal of drilling wastes, produced water, mercury containing wastes and emissions to air. In addition it presents a global treatise on natural radioactivity in wastes (produced waters) and emissions to air.