51 | Riverside litter : results of the 1990 campaign and a strategy for the future |
52 | The potential for the use of Willow in buffer zones for reducing nitrate and atrazine pollution |
53 | Classification of listed substances for the purposes of the EC groundwater directive (80/68/EEC) : technical report |
54 | Estuarine fish survey 1989 : inferences on the pollution status of the Thames estuary |
55 | The influence of agriculture on the quality of natural waters in England and Wales |
56 | The Distribution of Phytoplankton and Nutrients in the North East Irish Sea During 1998 |
57 | The impact of industrial discharges on metal levels in biota of the West Cumbrian coast - 1990 |
58 | A collation of the environmental impact work carried out following the Rosebay oil spill, May 1990 |
59 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
60 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
61 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
62 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
63 | The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington |
64 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
65 | 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 |
66 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
67 | Time of travel for the Greadon Farm pollution incident on the Upper Torridge of 19th August 1997 (1997) |
68 | Radioactivity in the environment : report for 1998 : a summary and radiological assessment of the Environment Agency's monitoring programmes |
69 | Review of comments on the Environment Agency's consultative report Endocrine disrupting substances in the environment - what should be done? |
70 | Evaluation of peroxygens for the amelioration of river pollution : on behalf of the Environment Agency, Thames Region |
71 | The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines |
72 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
73 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
74 | Continuous water quality monitoring results collected from the river Torridge at Cockshilhay and Beam Bridge for the EU UWWTD |
75 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |