| 501 | (3) The Natural (Baseline) Quality Of Groundwaters In England And Wales: The Permo-Triassic Sandstones Of Cumbria, North-West England; |
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| 502 | Saving water : on the right track : a summary of current water conservation initiatives in the UK January 1998 |
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| 503 | Sustainable water resources for the future : values and challenges : consultation document for the Environment Agency's water resources strategies |
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| 504 | Radioactivity in the environment : report for 1998 : a summary and radiological assessment of the Environment Agency's monitoring programmes |
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| 505 | The team (without Tony) and their staff in their compound close to the shore of L. George 1967. |
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| 506 | Stage 2 modelling of water storage and transfers in the Anglian region : supporting documentation for the Regional Water Resources Strategy |
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| 507 | Enhancement of spring salmon- Proceedings of a one-day conference held in the Rooms of the Linnean Society of London |
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| 508 | Cover of A Key to the Adults and Nymphs of the British Stoneflies (Plecoptera), with Notes on their Ecology and Distribution |
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| 509 | Review of comments on the Environment Agency's consultative report Endocrine disrupting substances in the environment - what should be done? |
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| 510 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2011-2012 |
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| 511 | Mercury, methylmercury and copper in the River Yare, Norfolk : report to the National Rivers Authority, Anglian Region |
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| 512 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
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| 513 | The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines |
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| 514 | Recorded data from the Swan Hills weather station (weather station 1) in the Wensum Catchment between 2010-2011 |
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| 515 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 1998-March 1999 |
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| 516 | An investigation of ecological change in the rivers Kennet and Lambourn. Progress report for the period April 1999-March 2001 |
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| 517 | Appendix to the biodiversity strategy and action plan for the Environment Agency (Thames Region) : costed action plan 2000-2003 |
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| 518 | An investigation of ecological change in the rivers Kennet and Lambourn. Report for the period April 2000 - March 2001 |
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| 519 | Investigation into the 1999 failure of the European Community bathing waters directive at Teignmouth Town Beach (2001) |
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| 520 | An assessment of cormorant depredation on stillwater coarse fish populations in the Lea and Colne valleys of the Thames catchment |
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| 521 | Evaluation of FRONTIERS accumulation forecasts in the NRA Thames and North West regions : final report of the Joint Met |
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| 522 | A review of the quality and status of the Suffolk and Essex estuaries and coastal waters : volume 2 : final draft |
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| 523 | The hydrogeological classification of superficial clay : the hydrogeological characterisation of glacial till and glacio-lacustrine sediments in Shropshire |
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| 524 | A desk study of the available information on wintering waterfowl feeding in the Wash, Lincolnshire and Norfolk |
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| 525 | A Study of the Composition of Collected Household Waste in the United Kingdom - with particular reference to packaging waste |
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