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6776River Fal catchment river water quality classification 1991
6777River Par and Crinnis catchment river water quality classification 1990
6778River Par and Crinnis catchment river water quality classification 1991
6779St Austell River and south Cornwall coastal streams catchment river water quality classification 1990
6780The identification and investigation of a dinoflagellate bloom in Mounts Bay, Cornwall
6781A draft code of practice for analytical quality control in National Rivers Authority laboratories
6782Control samples for ph determination in low ionic strength waters
6783Proposals to introduce operator monitoring assessment for emissions to air from processes regulated under integrated pollution control : consultation paper
6784Cryptosporidium in drinking water : survey of occurrence. June 1991
6785River Cober catchment river water quality classification 1990
6786Quality assurance for phytoplankton data
6787Quality in Corporate Planning 1993
6788STREAM thematic network : standards, measurement, testing and research in environmental instrumentation and monitoring
6789Annual N2O measurements and associated data: AC0213, Devon, 2012
6790Evaluation of a YSI-6000 submersible water quality monitor
6791Evaluation of an ELE/pHOX sub-logger submersible water quality monitor
6792Blue-green algal survey of Lower Clicker Quarry
6793Development of a field test kit for detection of blue-green algal toxins (348/02/A) : interim progress report
6794European collaboration to develop standard sediment toxicity test methods (396/4/T) : interim report
6795The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document
6796Atlantic Salmon Trust Winter Journal 2005/2006
6797Acid Waters: Llyn Brianne Project- Project Record
6798Development of a field test kit for detection of blue-green algal toxins (348/01/A) : interim progress report
6799Some guidance on the use of digital environmental data
6800A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 1 : final draft