| 651 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
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| 652 | Water pollution incidents in England and Wales 1994 : report of the National Rivers Authority |
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| 653 | Pesticides 1998 : a summary of monitoring of the aquatic environment in England and Wales |
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| 654 | The evaluation of a Partech model 5100 hand-held dissolved oxygen meter (220/26/T) |
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| 655 | Catches of Brown Trout in the River Don - Preliminary analysis of Angler's Returns |
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| 656 | Manual for the use of herbicides in or near water : January 1993 : final draft report |
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| 657 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 658 | Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987 |
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| 659 | The development of a portable battery-powered telemetry system for use in water quality investigations |
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| 660 | Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : consultation draft |
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| 661 | Environmental protection - the waste management licensing regulations 1994 : amended and consolidated. Version 5 |
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| 662 | Problems and solutions in the management of open seas fisheries for Atlantic salmon |
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| 663 | Road transport and the environment risk assessment and options appraisal : final summary report |
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| 664 | Space to live, space to play : a recreation strategy for the River Thames : appendices |
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| 665 | Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft |
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| 666 | Blooming weather: Predicting the incidence of summers with high-risk of cyanobacterial blooms |
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| 667 | Guidance on the Development of Typology and Classification Systems for Transitional and Coastal Waters |
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| 668 | Technical basis for the predicted impacts of relocating Redgrave abstraction to Borehole B |
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| 669 | Investigation of tecnazene contamination in the Chyandour Brook west Cornwall during spring 1990 |
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| 670 | Best Available Techniques For The Control Of Pollution In Petrochemical And Large Volume Organic Chemical Processes |
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| 671 | A Review Of The Treatment Of Criticality In Post-Closure Safety Assessment Of Radioactive Waste Disposal |
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| 672 | An approach to hydrogeological assessment of Quaternary deposits in the UK: Part 1 Background |
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| 673 | Developing Guidance for Setting Limits on Radioactive Discharges to the Environment from Nuclear-licensed Sites |
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| 674 | Procedures and results of biochemical oxygen demand tests carried out at the Crossness laboratory 1990 |
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| 675 | Review of Lake Benthic Macro-invertebrate Sampling Methods and Strategy for the Water Framework Directive |
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