| 651 | Biological water quality monitoring in the Midlands region |
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| 652 | A natural assets register for the Sankey catchment. Volume 2 |
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| 653 | Clinical waste management in the community : a guide to managing waste |
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| 654 | Data mining of calculations for the control of emissions of organic compounds |
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| 655 | Bacteriological monitoring of freshwater rivers in the Thames Region 1995 |
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| 656 | Buckingham flood defence improvements : presentation of the preferred option |
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| 657 | Impact of breakwaters on the water quality of Sidmouth beach |
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| 658 | Report on the survey of SBM handlers in Devon |
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| 659 | Enhancing the environment : 25 case studies from Thames Region |
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| 660 | Fish Guide 1997/98 A Guide to day ticket fisheries in the Midlands |
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| 661 | Flood warning information for the river Witham and tributaries in Lincolnshire |
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| 662 | Environmental assessment of selected abandoned minewaters in the North East region |
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| 663 | Conservation and development of the River Eden spring salmon population |
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| 664 | Flood warning information for North Surrey : The Bournes catchment |
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| 665 | Improving the environment in Midlands region : Midlands local contribution 2006/11 |
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| 666 | England's river : a guide to the Thames from Remenham to Cookham |
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| 667 | Regulation of dioxin releases from the Runcorn operations of ICI and EVC |
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| 668 | Guidance on the application of environmental risk assessment for waste management licensing |
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| 669 | Partnership in environmental protection : schemes in the Midlands Region 1995 - 1996 |
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| 670 | An investigation into the incidence of spurting from weeping wall slurry stores |
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| 671 | NRA superannuation report and accounts for the period ended 31 March 1991 |
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| 672 | Further guidance on the environmental assessment of projects |
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| 673 | Assessing the impact of dewatering on water resources |
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| 674 | The use and design of oil separators in surface water drainage systems |
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| 675 | The utilisation of stick-pile otter holts in south east Wales |
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