| 901 | The evaluation of a YSI model 58 hand-held dissolved oxygen meter (220/24/T) |
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| 902 | The evaluation of an ABB Kent-Taylor model 7135 hand-held dissolved oxygen meter (220/30/T) |
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| 903 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
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| 904 | An evaluation of discharge and consent compliance policy : a blueprint for the future : letters from respondents |
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| 905 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 906 | Time of travel study on the River Wandle under two different flow conditions |
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| 907 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
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| 908 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
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| 909 | Analysis of bacteriological contamination and accumulation of metals and organics in the mussel (Mytilus edulis) |
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| 910 | Desktop study of methods for the monitoring of particulate emissions from positively pressurised baghouses |
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| 911 | Lower Lee fish mortalities associated with rainfall : including the event of 7/8th September 1993 |
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| 912 | River Teign corridor survey : prepared by Ecologue for the National Rivers Authority (South West Region) |
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| 913 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
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| 914 | Scope for growth and levels of contaminants in mussels from the Wash. Phase 2 |
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| 915 | Impact assessment of scour valve test at Roadford Reservoir on water quality of the River Lyd |
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| 916 | Correspondence Relating to the Seismic Surveys of Lake District Water Bodies undertaken by Prof. Gerald Sargent in 1983 and 1987 |
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| 917 | The Effect of N Fertiliser forms on nitrous oxide emissions from UK arable and grassland. Defra project number NT2605 |
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| 918 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Dumfries, 2004 |
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| 919 | The Effect of N Fertiliser forms on N2O emissions from UK arable and grassland. Experimental site in Devon, 2004 |
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| 920 | Analysis of natural and polluted river communities in Great Britain- Progress report for the period April 1984- March 1988
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| 921 | Effects of flow regime on the young stages of salmonid fishes- summary and conclusions based on results for 1981- 1985 |
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| 922 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
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| 923 | Analytical method for the determination of acid herbicides in sandstone and chalk aquifer materials (Draft RanD note) P439/9/A |
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| 924 | Front Cover of A Key to the British Species of Freshwater Cladocera, with Notes on their Ecology |
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| 925 | Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992 |
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