| 226 | A guide to chemical sampling procedures |
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| 227 | Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report |
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| 228 | Sources of farm pollution and impact on river quality : interim report 1991 |
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| 229 | Minewater discharges in South Wales |
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| 230 | Analogue (nutrient), YSI, turbidity and stage data for the Wensum Demontration Test Catchment's monitoring kiosk F in 2014 |
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| 231 | Severn Estuary coastal waters and associated catchments : uses, objectives and standards |
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| 232 | Proposed Environmental Quality Standards for Bromine in Fresh and Marine Waters |
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| 233 | Porth, Gluvian and Menalhyl catchment river water quality classification 1991 |
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| 234 | River Axe Fish Study - Stage 2, Environmental Assessment for River Abstraction |
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| 235 | 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 |
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| 236 | St Agnes qualitative dye surveys 1995 data report : tidal water quality |
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| 237 | Method for the assessment of river water quality using benthic macroinvertebrates |
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| 238 | Development of PRAIRIE(tm) Dispersion Modelling |
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| 239 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report |
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| 240 | Turbidity and plant growth in large slow-flowing lowland rivers. Progress Report: October 1989- March 1990 |
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| 241 | The greening of Grasmere: its plankton periodicity in 1988 |
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| 242 | River Lynher catchment river water quality classification 1991 |
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| 243 | Regional water quality monitoring and surveillance programme for 1994 : EC surface water abstraction directive : final draft report (1993) |
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| 244 | Investigation into upstream failures at Puddington Sewage Treatment Works |
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| 245 | River Avon catchment river water quality classification 1990 |
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| 246 | National marine baseline survey 1995 : littoral cell 4 : the Thames to Selsey Bill |
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| 247 | Classification of estuary quality |
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| 248 | Water quality fact file 4/9 |
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| 249 | Distribution of Macroinvertebrates in English and Welsh Rivers based on the 1995 Survey |
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| 250 | The Yarrow catchment : recommendations for statutory water quality objectives |
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