176 | The Loddon catchment, Thames Region : proposals for Statutory Water Quality Objectives |
177 | The Upper Nene catchment management plan : final plan : August 1994 |
178 | The Hartland Streams catchment management plan : action plan |
179 | A report on the River Chew at Chewton Mendip, 6th August 1992 |
180 | Cryptosporidium in river waters: inception of the study |
181 | Swords water quality study - phase 1 : water quality of the Thames |
182 | Malodours and discolouration on the Wool Brook Sidmouth |
183 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
184 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
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185 | Development of an Estuarine Classification Scheme for the Water Framework Directive |
186 | Summary of monitoring activities on the blackwater estuary |
187 | Macroinvertebrates in the Kennet catchment : Part 1 - water quality monitoring |
188 | Guide to the use of control charts in water analysis |
189 | A Review of Methods for Assessing the Hydromorphology of Lakes |
190 | An assessment of the NRA algal growth inhibition test : 1993/4 |
191 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
192 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
193 | The Test catchment southern : recommendations for statutory water quality objectives |
194 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
195 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
196 | The quality of rivers and estuaries in Northumbria region 1990 |
197 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
198 | The NRA in business : annual review and summary accounts 1993-94 |
199 | Toxic blue-green algae : a report by the National Rivers Authority |
200 | Investigation of salinity in the river Thurne catchment of North East Norfolk |