| 451 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
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| 452 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk A |
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| 453 | The development of a portable battery-powered telemetry system for use in water quality investigations |
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| 454 | River Meavy salmon and sea trout populations : assessment of the impact of flows |
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| 455 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk C |
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| 456 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk D |
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| 457 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk M |
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| 458 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk B |
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| 459 | Guidance on the Development of Typology and Classification Systems for Transitional and Coastal Waters |
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| 460 | Technical basis for the predicted impacts of relocating Redgrave abstraction to Borehole B |
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| 461 | River Wissey investigations : linking hydrology and ecology : summary of a recommendations for the River Wissey (OI/526) |
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| 462 | Investigation of tecnazene contamination in the Chyandour Brook west Cornwall during spring 1990 |
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| 463 | The Environment Agency water efficiency awards 2003 : inspirational case studies demonstrating good practice across all sectors |
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| 464 | The impact of climate change on severe droughts: River-flow reconstructions and implied groundwater levels |
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| 465 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk C |
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| 466 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
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| 467 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk E |
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| 468 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
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| 469 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk F |
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| 470 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 471 | National marine baseline survey 1995 : littoral cell 4 : the Thames to Selsey Bill |
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| 472 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
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| 473 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 474 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk F |
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| 475 | Criteria for WFD Groundwater Good 'Quantitative Status' and a framework for the assessment of groundwater abstractions |
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