| 301 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
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| 302 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
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| 303 | Investigation of tecnazene contamination in the Chyandour Brook west Cornwall during spring 1990 |
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| 304 | Striking the right balance : Somerset Levels and Moors water level management strategy review |
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| 305 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
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| 306 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
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| 307 | Environment Agency Kent area : the Seabrook stream : BSc (Hons) Environmental biology placement report |
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| 308 | Macrophyte status of the Rivers Test and Itchen - Hampshire : summary report - October 1998 |
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| 309 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
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| 310 | Policy and practice for the protection of groundwater : North West region : 2nd edition, 1995 |
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| 311 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
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| 312 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
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| 313 | Greatham Creek tidal defences inter regional review : prepared for the purposes of legal proceedings |
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| 314 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 315 | An investigation of ecological change in the rivers Kennet and Lambourn. April 2001 - March 2002 |
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| 316 | Land use practices and pathways of pesticide residues in the Mount's Bay catchment, Cornwall |
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| 317 | River Glen : river channel assessment : annex E : instream habitat assessment of the River Glen, Lincolnshire |
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| 318 | Extending Rutland yield analysis to 1933 : supporting documentation for the regional water resources strategy |
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| 319 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
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| 320 | Discharge monitoring in the Kennet catchment. Part 2 : ecological effects of fish farm discharges |
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| 321 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
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| 322 | An investigation into possible causes of poor water quality at Blakewell Bridge (R30A001) on the Bradiford Water |
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| 323 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
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| 324 | Audit of priority species of rivers and wetlands : Southern Damselfly Coenagrion mercuriale in South Hampshire and the Isle of Wight |
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| 325 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
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