| 101 | Conservation and recreation : the Wye challenge : volume 2 : technical appendices |
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| 102 | 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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| 103 | 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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| 104 | 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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| 105 | 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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| 106 | 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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| 107 | A review of factors affecting the abundance and catch of spring salmon fom the River Wye and elsewhere, and proposals for stock maintenance and enhancement |
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| 108 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 109 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 110 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 111 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
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| 112 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 113 | A review of the industrial uses of continuous monitoring systems : metals industry processes |
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| 114 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
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| 115 | The results of Tawe barrage post-impoundment salmon and sea trout telemetry study 1992 |
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| 116 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
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| 117 | Guardians of the water environment : NRA Welsh Region (bilingual) : Diogelwyr amgyllchedd dwr : rhanbarth Cymru |
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| 118 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 119 | Biological characteristics and exploitation of sea trout in the River Tywi during 1989 |
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| 120 | The government's policy for a public regulatory body in a privatised water industry |
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| 121 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 122 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 123 | Demand for irrigation water (413/1/A) : progress report for the period August 1992 to January 1993 |
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| 124 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 125 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
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