| 301 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
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| 302 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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| 303 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
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| 304 | Best Available Techniques For The Control Of Pollution In Inorganic Chemical Processes - Appendix |
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| 305 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
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| 306 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 307 | Evaluating the impact of groundwater abstraction on key conservation sites. Stage 1 reports for AMP3 |
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| 308 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 309 | Future water resources in the Thames Region : a strategy for sustainable management : summary document |
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| 310 | Thames Environment 21. The Environment Agency strategy for land-use planning in Thames Region |
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| 311 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 312 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
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| 313 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 314 | The government's policy for a public regulatory body in a privatised water industry |
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| 315 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
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| 316 | Trevone Bay beach EC bathing water guideline non-compliance : investigation into the Trevone Stream : final report |
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| 317 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 318 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 319 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 320 | Saving water : the NRA's approach to water conservation and demand management : a consultation report |
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| 321 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 322 | The Somerset Levels and Moors : water level management and nature conservation : consultation paper |
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| 323 | Herbicides for use in or near the aquatic environment: Priorities for Environmental Quality Standards Development |
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| 324 | Improved monitoring for surface water quality : the development of a manual of best practice |
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| 325 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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