| 51 | An investigation of the bacteriological quality of bathing water around the Kent coast since 1985 |
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| 52 | Report on the control of discharges of titanium dioxide waste to the Humber Estuary : main report |
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| 53 | Study of the behaviour and impact of two sewage treatment works of the Thames catchment |
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| 54 | Evaluation of the effectiveness of the Water Fringe Option Scheme on Environmental Quality |
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| 55 | The potential for the use of Willow in buffer zones for reducing nitrate and atrazine pollution |
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| 56 | Investigation into the chemicals present and entering the Stover Lake, Stover Country Park |
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| 57 | Ecological effects of discharges from watercress farms on the chalk-streams of the NRA Wessex Region |
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| 58 | Meiofaunal assemblages of the Thames Estuary, April 1989-March 1990 : modules I-III : a study of the meiofaunal communities present in sediment samples collected by the National Rivers Authority, Thames Region |
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| 59 | Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3 |
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| 60 | Survey of the biological quality of creek systems in the outer Thames Estuary, with special reference to the impact of STW and landfill site discharges |
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| 61 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
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| 62 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
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| 63 | The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington |
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| 64 | The effects of water resources management on the rivers Bure, Wensum and Nar in North Norfolk : Final project report to the National Rivers Authority. July 1994 |
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| 65 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
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| 66 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 67 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
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| 68 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
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| 69 | Radioactivity in the environment : report for 1998 : a summary and radiological assessment of the Environment Agency's monitoring programmes |
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| 70 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
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| 71 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
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| 72 | The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines |
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| 73 | The Economics of No-Spray Zones - a Study of the Risks and Benefits of Pesticide No-Spray Restrictions |
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| 74 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
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| 75 | Review of comments on the Environment Agency's consultative report Endocrine disrupting substances in the environment - what should be done? |
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