201 | An assessment of the NRA algal growth inhibition test : 1993/4 |
202 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
203 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
204 | A second stage evaluation of the Grant YSI3815 Water Logger |
205 | The Worcestershire Stour catchment : recommendations for statutory water quality objectives |
206 | An assessment of river water quality in the River Kenn |
207 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
208 | Estuarial migration of Atlantic salmon in the river Dee (North Wales) |
209 | The NRA in business : annual review and summary accounts 1993-94 |
210 | Cyanobacteria (blue-green algae) in the south west region 1989 |
211 | Toxic blue-green algae : a report by the National Rivers Authority |
212 | Investigation of salinity in the river Thurne catchment of North East Norfolk |
213 | An assessment of water quality in the River Yarty catchment |
214 | Report on monitoring of environmental quality in the Severn Estuary |
215 | Artificial recharge to groundwater in the Otter valley |
216 | Water quality in Anglian Region : the first five years |
217 | Investigation to determine the cause of the long-term BOD failure at Higher Weaver routine monitoring site (70532960) for 1995 and 1997 |
218 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
219 | Water Quality and Freshwater Flow in the Thames Tideway in Relation to Salmon Migration, with particular reference to the effects of low flow in 1990 |
220 | Wimbleball pumped storage scheme : review of environmental statement (appendix B3) : implications for water quality in Wimbleball Reservoir, the River Exe (non QUASAR) parameters) and the Exe estuary |
221 | 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 |
222 | Tamar Lakes project 2001 : initial assessment of nutrient data to identify pollution sources, assess the effect of Tamar Lakes on the downstream water quality and to recommend future monitoring requirements |
223 | Report for Anglian Water, plc on the use of the Orwell Estuary mathematical model to derive long term consent limits for Cliff Quay STW |
224 | Results of the oyster (Crassostrea gigas) embryo-larval biassay on samples taken during the winter phase of national maritime monitoring programme 1997 : interim report |
225 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |