51 | Inferences on the pollution status of the Thames estuary from the macrobenthic community structure : National Rivers Authority Thames Region, Biology, Thames Estuary Benthic Programme |
52 | 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 |
53 | The effects of ammonia in discharges from Hogsmill Valley sewage treatment works on the water quality of the River Thames at Teddington |
54 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
55 | Pesticides in the aquatic environment : report of the National Rivers Authority, prepared by the National Centre for Toxic and Persistant Substances (TAPS) |
56 | 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 |
57 | Biological investigation of the impact of Ivybridge sewage treatment works discharge to the River Erme, May 1991 |
58 | Radioactivity in the environment : a summary and radiological assessment of the Environment Agency's monitoring programmes : report for 1996 |
59 | The use of air cooled blastfurnace slag as an unbound aggregate in the construction industry : BACMI/Environment Agency joint guidelines |
60 | Tributyltin in the aquatic environment : final report to the National Rivers Authority September 1990 to September 1992 |
61 | Review of comments on the Environment Agency's consultative report Endocrine disrupting substances in the environment - what should be done? |
62 | The application of toxicity-based criteria for the regulatory control of wastewater dicharges Response compendium March 1997 |
63 | Contaminants entering the sea : a report on contaminant loads entering the seas around England and Wales 1990-1993 |
64 | Radioactivity in the environment : report for 1998 : a summary and radiological assessment of the Environment Agency's monitoring programmes |
65 | The River Eden Demonstration Test Catchment (DTC) Data |
66 | Environmental snapshot for the East of England [version 1] |
67 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
68 | Model Procedures for the Management of Land Contamination |
69 | Toxicity Reduction Evaluation Case Summary for the Chlor-Alkali Industry |
70 | NRA strategy for reducing the concentration of pesticides in controlled waters |
71 | Environmental assessment of selected abandoned minewaters in the North East region |
72 | Charging for discharges scheme : guidance to the engineering industry |
73 | An investigation of sewage on the beach at Porthcothan |
74 | Doe Lea restoration study : the work of WRc |
75 | The development and verification of methodologies for defining groundwater nitrate vulnerable zones |