| 1251 | Analysis of airborne platform specifications and operations for the National Rivers Authority by Atlantique Reconnaissance Ltd |
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| 1252 | Effectiveness of eutrophication control by phosphorus reduction: development of the INCA-P model |
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| 1253 | An investigation of the Madford River pollution incident of 29 July 1989 : November 1989 |
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| 1254 | Devon area internal report - measurement of dissolved oxygen levels in the Dart estuary - March 1996 |
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| 1255 | The evaluation of a pHOX model 962 hand-held dissolved oxygen meter (220/28/T) |
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| 1256 | The evaluation of a WTW model OXI 196 hand-held dissolved oxygen meter (220/29/T) |
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| 1257 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 1258 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 1259 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 1260 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 1261 | Definition of terms used in the assessment information management system (AIMS) : guidance note 5 |
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| 1262 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 1263 | Time of travel study on the River Wandle under two different flow conditions |
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| 1264 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 1265 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
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| 1266 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
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| 1267 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
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| 1268 | Integrated river corridor assessment : a pilot study of the rivers Wansbeck and North Tyne in Northumbria |
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| 1269 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 1270 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 1271 | Scope for growth and levels of contaminants in mussels from the Wash. Phase 2 |
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| 1272 | River Stort : draft catchment management plan for flood defence and the environment : May 1991 |
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| 1273 | Catchment management plans : protecting and enhancing the water environment in an integrated manner |
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| 1274 | Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd |
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| 1275 | Recorded rainfall data from Rain Gauge 6 in the Wensum Catchment between 2010-2015 |
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