| 226 | Review of water quality instrumentation : April 1995 |
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| 227 | Audit report on the 1995 GQA biological survey |
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| 228 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
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| 229 | The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall |
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| 230 | Control samples for ph determination in low ionic strength waters |
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| 231 | European collaboration to develop standard sediment toxicity test methods (396/4/T) : interim report |
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| 232 | Assessing and controlling the ecotoxicity of complex effluents |
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| 233 | Silloth sediment survey : April, July 1990 |
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| 234 | An assessment of river water quality in the River Kenn |
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| 235 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
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| 236 | Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review |
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| 237 | Eel and elver studies in the Severn : interim report (256/6/ST) |
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| 238 | Pesticide residues in fish taken from the Newlyn River (1992) |
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| 239 | Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region |
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| 240 | Doe Lea restoration study : the work of WRc |
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| 241 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
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| 242 | Water quality investigations in the Newlyn river catchment |
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| 243 | Comparison of load estimation from grab an flow-proportioning samples |
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| 244 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
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| 245 | Regional water quality monitoring and surveillance programme for 1992 : operational investigation programme at Wheal Jane tin mine, Cornwall |
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| 246 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
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| 247 | Freshwater phytoplankton : standard methodologies : final draft : biology laboratory procedures manual. Section C : test methods and procedures |
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| 248 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012 |
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| 249 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2011 |
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| 250 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2013 |
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