| 51 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
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| 52 | Audit report on the 1995 GQA biological survey |
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| 53 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1993 : SE/EAU/94/8 |
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| 54 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
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| 55 | Results of the NRA Welsh regional marine bioaccumulation programme 1991-1995 : SE/EAU/95/9 |
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| 56 | Note 3 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
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| 57 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
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| 58 | Swords water quality study - phase 1 : water quality of the Thames |
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| 59 | A second stage evaluation of the Grant YSI3815 Water Logger |
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| 60 | The National Rivers Authority employee attitude survey : summary |
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| 61 | A survey of ferruginous minewater impacts in the Welsh coalfields |
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| 62 | Fishery survey of the Bridgwater and Taunton Canal |
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| 63 | Technical review of the post-closure safety case for the Drigg low-level radioactive waste disposal site : PCSC development programme review plan and instructions for reviewers : guidance note 1, December 1997 |
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| 64 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
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| 65 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : primary audit |
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| 66 | An audit of performance in the analysis of biological samples in 1999. Environment Agency : AQC audit |
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| 67 | The Natural (Baseline) Quality of Groundwaters in England and Wales - Magnesium Limestone of Yorkshire and Northumbria |
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| 68 | Assessment of radioactive discharge screening levels for biota protected under the habitats regulations : April 2002 |
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| 69 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
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| 70 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
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| 71 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
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| 72 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
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| 73 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
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| 74 | River corridor strategic overview feasibility study : a report to the National Rivers Authority |
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| 75 | Appraisal of nature conservation and recreation improvement measures at the Environment Agency's estates |
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