| 426 | Pollution incidents report - 1998 : Lower Trent area, annex 4 |
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| 427 | Risk assessment for sea and tidal defence schemes |
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| 428 | Wave attenuation over saltmarsh surfaces August 1996 |
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| 429 | Alternative dairy farming systems to reduce pollution impact of nutrients : phosphorus (P2/575/1) |
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| 430 | North Cornwall coastal streams : catchment action plan |
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| 431 | Hydrogen Peroxide Dosing Trials, Lea Marston, 18 and 19 March 1996 |
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| 432 | Pilot environmental audit : NRA Leigh, Tonbridge, district office : southern region |
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| 433 | Flood directory East Sussex Local Authority area |
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| 434 | Best Management Practices to Reduce Diffuse Pollution from Agriculture |
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| 435 | Impact Of Conifer Harvesting And Replanting On Upland Water Quality |
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| 436 | Fact sheet for the RBCA tool kit for chemical releases |
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| 437 | An investigation of sewage on the beach at Porthcothan |
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| 438 | Assessing and controlling the ecotoxicity of complex effluents |
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| 439 | East Solent Shoreline Management Plan Volume I |
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| 440 | Coln River levels study : project summary |
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| 441 | Streetley Chemicals/ Redland Bricks |
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| 442 | Study of ferruginous minewater impacts in Wales : phase 2a determination of remedial options : volume 2 : site reports |
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| 443 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 444 | The impact of ferruginous minewater break-outs on the environmental quality of the Rivers Rhymney, Ebbw and Sirhowy : summary report |
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| 445 | Grey tide against green marsh : sea defences in East Anglia : synopsis of proceedings of conference held at Snape on 1st November 1991 |
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| 446 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
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| 447 | Ely Ouse catchment management plan : first annual review Jan 1994 to Jan 1996 |
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| 448 | Gipping/Stour catchment management plan : final plan |
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| 449 | Upper Nene structures : Elton : detailed appraisal report |
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| 450 | Levels of service for urban and rural flood defence |
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