1. EU Commission Decision's 2001/118/EC Amending Decision 2000/532/EC as Regards the List of Wastes, Text from the Official Journal of the European Communities L47, 16 February 2001.
2. Review of Drill Cuttings Piles in the North Sea;Bell,1998
3. B. Roddie, A. Skadsheim, D. Runciman, G. Kjeilen, Project 1.2: Cuttings Pile Toxicity, UKOOA and Rogland Research, UK and Norway, 1999.
4. J. Wills, A Survey of Offshore Oilfield Drilling Wastes and Disposal Techniques to Reduce the Ecological Impact of Sea Dumping: Environmental Effects of Drilling Waste Discharges, Environmental Impact of Offshore Oil and Gas Exploration and Production, 2000. http://www.offshore-environment.com/drillingwasteconclusion.html.
5. Decision 2000/3 on the Use of Organic-Phase Drilling Fluids (OPF) and the Discharge of OPF-Contaminated Cuttings, OSPAR Commission, 2000.