| 1051 | Analysis of growth and survival of sea trout from the Welsh Dee: Interim Report, 2nd April 2000 |
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| 1052 | Chemical river quality 1993-1995 according to the general quality assessment (GQA) scheme [map] : scale 1 : 750 000 |
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| 1053 | The development of macroinvertebrate keys using TWINSPAN classification : a manual for NRA biologists (001/10/W) : draft final report |
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| 1054 | NRA response to using water wisely : a consultation paper published by the DoE/Welsh Office July 1992 |
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| 1055 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
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| 1056 | Addendum to the Stanmoor bank feasibility study and appraisal report : Lower Tone flood defence improvements : phase II |
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| 1057 | Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A |
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| 1058 | East Devon public water supply strategy : the existence and potential use in yield analysis of historic flow records |
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| 1059 | Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998 |
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| 1060 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |
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| 1061 | An investigation into possible causes of poor water quality at Nymphayes Bridge (R30D009) on the Gissage Lake |
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| 1062 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2014 |
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| 1063 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk E in 2012 |
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| 1064 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2012 |
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| 1065 | Micro low flows average and low flows estimation in the SW region : validation of regional version 1.1 software |
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| 1066 | The protection of East Anglian wetlands Phase 2 : review of BGS draft report. February 1995 (OI 558) |
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| 1067 | River Wissey investigations : linking hydrology and ecology : the basis for in-river flow management. Final Draft (OI/526/ ) |
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| 1068 | Possible replacements for the biochemical oxygen demand (BOD) test and suspended solids as measures of effluent and water quality |
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| 1069 | River Lemon corridor survey : a report prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 1070 | Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology |
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| 1071 | Investigation into failures of the River Dalch from Canns Mill Bridge to below Lapford sewage treatment works (2001) |
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| 1072 | Gorran Haven (Little Perhaver) EC bathing waters directive failure 1996 : an investigation of the Gorran Haven Stream |
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| 1073 | Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992 |
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| 1074 | NRA guidance on the acceptable leachable values for contaminated material to be deposited in Upper Tame catchment |
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| 1075 | Scoping Study For Collaborative R and D Between The Environment Agency And L'agence De L'eau Seine Normandie |
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