| 551 | Investigation into the storm overflow discharge regime of Hill Barton Seawage Treatment Works Okehampton |
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| 552 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
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| 553 | Nitrates in surface water, inputs and seasonality- Progress report for the period April- December 1987 |
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| 554 | Thames 21 - a planning perspective and a sustainable strategy for the Thames Region : consultation draft |
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| 555 | Environmental protection - the waste management licensing regulations 1994 : amended and consolidated. Version 5 |
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| 556 | Road transport and the environment risk assessment and options appraisal : final summary report |
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| 557 | Space to live, space to play : a recreation strategy for the River Thames : appendices |
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| 558 | Blooming weather: Predicting the incidence of summers with high-risk of cyanobacterial blooms |
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| 559 | Mercury and methylmercury in the river Yare, Norfolk (1986 - 1992) : executive summary (OI/420/9/A) |
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| 560 | Best Available Techniques For The Control Of Pollution In Petrochemical And Large Volume Organic Chemical Processes |
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| 561 | A Review Of The Treatment Of Criticality In Post-Closure Safety Assessment Of Radioactive Waste Disposal |
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| 562 | An approach to hydrogeological assessment of Quaternary deposits in the UK: Part 1 Background |
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| 563 | Developing Guidance for Setting Limits on Radioactive Discharges to the Environment from Nuclear-licensed Sites |
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| 564 | Procedures and results of biochemical oxygen demand tests carried out at the Crossness laboratory 1990 |
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| 565 | Research and development 2000 : a strategy for the research and development support service : version 2 |
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| 566 | Review of the Potential Effects of Alkaline Plume Migration from a Cementitious Repository for Radioactive Waste. |
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| 567 | The Use of Catch Statistics to Monitor Fishery Change - Coarse Fish Study - Synopsis |
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| 568 | The Redgrave and Lopham Fens alleviation scheme : impact of options study : report to NRA Anglian Region |
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| 569 | The investigation of phytoplankton dynamics in coastal waters using aerial surveillance case study 3 |
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| 570 | The National Centre for Environmental Data and Surveillance : annual report April 1998 - April 1999 |
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| 571 | A Proposed Scheme To Ensure The Quality Of Data Generated By Laboratories Undertaking Regulatory Ecotoxicological Testing |
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| 572 | Protocol on "managing waste": memorandum of understanding between Local Government Association and the Environment Agency |
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| 573 | 1966 The IBP team and members of their governing committee, at FBA 1966. |
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| 574 | 1966 the original team approaching Esthwaite Water to practice sampling from a boat |
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| 575 | Greatham Creek tidal defences inter regional review : prepared for the purposes of legal proceedings |
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