Clark, R.B. 1989 (1992 or 2001 3rd, 4th or 5th Edns) Marine Pollution. Oxford : Clarendon Press
(The 5th edition is 'best' but not much has changed in the last few years in the generalities that were covered)
Walker CH, Hopkin SP, Sibly RM, & Peakall DB 2001 Principles of Ecotoxicology London: Taylor and Francis