| 76 | The River Cam catchment management plan : annual monitoring report |
|---|
| 77 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
|
|---|
| 78 | Quality audit of biological samples for the 1990 river quality survey |
|---|
| 79 | The quality of rivers in England and Wales (1990 to 1995) |
|---|
| 80 | River water quality in the Midlands 1994/95 : water quality summary data |
|---|
| 81 | Pesticides in the aquatic environment 1997 : executive summary |
|---|
| 82 | A guide to sustainable urban drainage : protecting the quality of our environment |
|---|
| 83 | Policy and practice for the protection of groundwater |
|---|
| 84 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
|---|
| 85 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
|---|
| 86 | Temporal variability in chlorophyll-a : concentrations in the coastal environment : final report |
|---|
| 87 | Snapshots of the environment : a new environmental approach |
|---|
| 88 | Proposals for statutory water quality objectives : report of the National Rivers Authority |
|---|
| 89 | Water resources development strategy : the Resplan Model. Supplementary report no. 7 |
|---|
| 90 | Report on monitoring of environmental quality in the Severn Estuary |
|---|
| 91 | The NRA in business : annual review and summary accounts 1993-94 |
|---|
| 92 | River quality in England and Wales : a report of the 1990 survey |
|---|
| 93 | Water quality 2000 : a strategy for the water quality function |
|---|
| 94 | Improving the environment in Midlands region : Midlands local contribution 2006/11 |
|---|
| 95 | The River Dee catchment management plan : consultation report : June 1994 |
|---|
| 96 | Policy and practice for the protection of groundwater : draft for consultation |
|---|
| 97 | Charging for discharges scheme : guidance to the agricultural industry |
|---|
| 98 | Landfill and the water environment : NRA position statement |
|---|
| 99 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
|---|
| 100 | Acidification of freshwaters: the threat and its mitigation |
|---|
