| 551 | The interpretation of rod and net catch data |
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| 552 | Research and development in the Environment Agency : a short guide |
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| 553 | Problems with sea trout and salmon in the Western Highlands |
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| 554 | Clear Options towards an operational model for the Lee Valley Reservoirs |
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| 555 | The Cam catchment : recommendations for statutory water quality objectives |
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| 556 | The River Cam catchment management plan : annual monitoring report |
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| 557 | Guidance for estimating the air quality impact of stationary sources - GN 24 |
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| 558 | Introductory guidance on the Agency's contribution to sustainable development (SD1) |
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| 559 | The National Centre for Toxic and Persistent Substances |
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| 560 | Pearl Mussel Image: First out of the blocks |
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| 561 | Statement on public consultation for the Dove CMP : July 1995 |
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| 562 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 563 | FWR - User guide for assessing the impact of combined sewer overflows |
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| 564 | The National Centre for Environmental Data and Surveillance : general leaflet |
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| 565 | Project management and the scheme of delegation : a summary guide : April 1995 |
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| 566 | The Use of Immuno Based Techniques for Chemical Analysis |
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| 567 | Snapshots of the environment : integrated river basin management |
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| 568 | River quality in England and Wales : a report of the 1990 survey |
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| 569 | Snapshots of the environment : understanding coastal water quality |
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| 570 | The evaluation of EDT QSE 334 ammonium ion selective electrode (220/17/T) |
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| 571 | The evaluation of ingold ion selective ammonium electrode (220/23/T) |
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| 572 | Rivers of the Isle of Wight fact file |
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| 573 | Stratification in the Severn Estuary- Physical aspects and biological consequences |
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| 574 | The Mersey estuary : a report on environmental quality |
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| 575 | 'Sea Vigil' water quality monitoring : the East coast 1992-1993 |
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