| 76 | Policy and practice for the protection of groundwater |
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| 77 | Policy and practice for the protection of groundwater - NRA leaflet |
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| 78 | Policy and practice for the protection of groundwater : draft for consultation |
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| 79 | Policy and practice for the protection of groundwater |
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| 80 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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| 81 | Method for assessing the heritage value of net fisheries |
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| 82 | Factors affecting the recruitment of riverine coarse fish: phase 3 |
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| 83 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
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| 84 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
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| 85 | Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish |
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| 86 | A survey of ferruginous minewater impacts in the Welsh coalfields |
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| 87 | A survey of ferruginous minewater impacts in the Welsh coalfields |
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| 88 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 89 | A guide to sustainable urban drainage : protecting the quality of our environment |
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| 90 | The NRA in business : annual review and summary accounts 1993-94 |
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| 91 | Report on monitoring of environmental quality in the Severn Estuary |
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| 92 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
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| 93 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 94 | Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities |
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| 95 | Use of rod catch-effort data to monitor migratory salmonids in Wales : a report submitted in part fulfillment of the requirements of the course |
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| 96 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
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| 97 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 98 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 99 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 100 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
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