| 126 | Protecting the environment through effective Environment Agency regulation and advice |
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| 127 | Policy and practice for the protection of groundwater |
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| 128 | Discharge consent and compliance policy : a blueprint for the future |
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| 129 | Cryptosporidium in river waters: inception of the study |
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| 130 | Swords water quality study - phase 1 : water quality of the Thames |
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| 131 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
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| 132 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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| 133 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
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| 134 | Guide to the use of control charts in water analysis |
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| 135 | A Review of Methods for Assessing the Hydromorphology of Lakes |
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| 136 | An assessment of the NRA algal growth inhibition test : 1993/4 |
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| 137 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
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| 138 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
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| 139 | A second stage evaluation of the Grant YSI3815 Water Logger |
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| 140 | An assessment of river water quality in the River Kenn |
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| 141 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
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| 142 | The quality of rivers and estuaries in Northumbria region 1990 |
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| 143 | The NRA in business : annual review and summary accounts 1993-94 |
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| 144 | Cyanobacteria (blue-green algae) in the south west region 1989 |
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| 145 | Toxic blue-green algae : a report by the National Rivers Authority |
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| 146 | Report on monitoring of environmental quality in the Severn Estuary |
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| 147 | Water quality in Anglian Region : the first five years |
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| 148 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
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| 149 | 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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| 150 | Results of the oyster (Crassostrea gigas) embryo-larval biassay on samples taken during the winter phase of national maritime monitoring programme 1997 : interim report |
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