251 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
252 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
253 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk B |
254 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
255 | The Warwickshire Avon catchment management plan : consultation report summary (NRA Severn-Trent 44) |
256 | An assessment of mercury contamination in the Red River catchment : final draft report |
257 | River Avon, Bath : aesthetic study of riverbanks through the urban area of Bath : final report |
258 | Annual review of the Colne, Upper Lee, North London and Roding, Beam and Ingerbourne catchments |
259 | An investigation into the water quality of a treated effluent from Hambleton Dairy, Todber, Dorset |
260 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
261 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
262 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
263 | Nutrient export modelling on the River Bure, Norfolk : progress report 2 : June-July 1995 |
264 | Development of the Acid Water Indicator Community (AWIC) Macroinvertebrate Family and Species Level |
265 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
266 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
267 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
268 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012 |
269 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2011 |
270 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2013 |
271 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2012 |
272 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013 |
273 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2011 |
274 | Report on two electrofishing surveys carried out between July 10-25 1978 and July 9-12 1979 on the proposed Kielder Water
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275 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2013 |