| 276 | An audit of performance in the processing of macro-invertebrate samples in 1992 |
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| 277 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
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| 278 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
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| 279 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
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| 280 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : AQC audit |
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| 281 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 282 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
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| 283 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2011 |
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| 284 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
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| 285 | Bathing water quality in England and Wales in 1994 : report of the National Rivers Authority |
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| 286 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
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| 287 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
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| 288 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 289 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 290 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
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| 291 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 292 | Future foundations : building a better South West : a sustainable construction charter for the region |
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| 293 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 294 | The development of a portable battery-powered telemetry system for use in water quality investigations |
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| 295 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
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| 296 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
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| 297 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
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| 298 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
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| 299 | Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft |
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| 300 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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