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2. Anonymous (2005) Guidelines for approval of ballast water management systems (G8). Annex 3, vol MEPC.125 (53). IMO, London
3. Anonymous (2008a) Guidelines for approval of ballast water management systems (G8). Annex 4, vol MEPC.174 (58). IMO, London
4. Anonymous (2008b) Guidelines for ballast water sampling (G2). Annex 3, vol MEPC.173 (58). IMO, London
5. Anonymous (2009) Method 8167; Chlorine, Total (0 to 2.00 mg/L) for water, wastewater and seawater. In: Hach DR/890 colorimeter procedures manual, vol 22. Hach Company, Loveland, Colorado, USA, pp 141-146