76 | The quality of rivers in England and Wales (1990 to 1995) |
77 | Pesticides in the aquatic environment 1997 : executive summary |
78 | A guide to sustainable urban drainage : protecting the quality of our environment |
79 | Policy and practice for the protection of groundwater |
80 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
81 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
82 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
83 | Snapshots of the environment : a new environmental approach |
84 | Water resources development strategy : the Resplan Model. Supplementary report no. 7 |
85 | Report on monitoring of environmental quality in the Severn Estuary |
86 | The NRA in business : annual review and summary accounts 1993-94 |
87 | River quality in England and Wales : a report of the 1990 survey |
88 | Water quality 2000 : a strategy for the water quality function |
89 | Improving the environment in Midlands region : Midlands local contribution 2006/11 |
90 | The River Dee catchment management plan : consultation report : June 1994 |
91 | Policy and practice for the protection of groundwater : draft for consultation |
92 | Charging for discharges scheme : guidance to the agricultural industry |
93 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
94 | Acidification of freshwaters: the threat and its mitigation |
95 | Snapshots of the environment : integrated river basin management |
96 | Sustainable urban drainage : an introduction : protecting the quality of our environment |
97 | Note 2 by Professor Gerald Sargent regarding the Coniston Seismic Survey 1983 |
98 | Stream survey and assessment in the Ashford and Folkestone areas |
99 | River Axe Fish Study - Evaluation of Fish Movements in the Estuary |
100 | The greening of Grasmere: its plankton periodicity in 1988 |