26 | The Identification of Oestrogenic Effects in Wild Fish - Phase II |
27 | FWR - User guide for assessing the impact of combined sewer overflows |
28 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
29 | Implications of draft EC Directive concerning municipal waste water treatment : Memorandum submitted by the NRA to House of Lords Select Committee on the European Communities |
30 | Time of travel study on the River Wandle under two different flow conditions |
31 | Monitoring the effects of a combined sewer overflow discharge to a small watercourse in South Wales |
32 | Interim guidelines on the ranges of enteric organism decay rates (T90s) under different marine conditions |
33 | Discharge consents and compliance : the NRA's approach to control of discharges to water |
34 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
35 | Water pollution incidents in England and Wales - 1992 : report of the National Rivers Authority |
36 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
37 | Hope Cove : non-compliance in 1998 with the European Community bathing water directive (76/160/EEC) |
38 | Assessing the impact of sewage effluent disposal on groundwater (phase 2): final report |
39 | Light scattering in sewage effluent: a study of the effects of angle of scatter an common light sources |
40 | Environmental Impacts of Alkylphenol Ethoxylates and Carboxylates. Part 1 Proposals for the Development of Environmental Quality Standards |
41 | Report on US study tour of engineered wetlands for the treatment of waste water and mine drainage, March 1992 |