276 | Development of marine phytoplankton methodology and quality assurance procedures : second draft |
277 | Sampling Littoral Diatoms in Lakes for Ecological Status Assessments: a Literature Review |
278 | Eel and elver studies in the Severn : interim report (256/6/ST) |
279 | Pesticide residues in fish taken from the Newlyn River (1992) |
280 | 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 |
281 | Doe Lea restoration study : the work of WRc |
282 | NRA report of the blue-green algal monitoring 1990 : a report by the toxic blue-green algae task group |
283 | Water quality investigations in the Newlyn river catchment |
284 | Comparison of load estimation from grab an flow-proportioning samples |
285 | Regional water quality monitoring and surveillance programme for 1992 : operational investigation programme at Wheal Jane tin mine, Cornwall |
286 | Investigating the Applicability of Passive Sampling Devices to Pesticide Monitoring |
287 | Freshwater phytoplankton : standard methodologies : final draft : biology laboratory procedures manual. Section C : test methods and procedures |
288 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2012 |
289 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2011 |
290 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2013 |
291 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2012 |
292 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk C in 2013 |
293 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2011 |
294 | Hampshire Avon DTC Macrophyte Monitoring Data 2011-2013 |