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