| 76 | Policy and practice for the protection of groundwater |
|---|
| 77 | Policy and practice for the protection of groundwater |
|---|
| 78 | River water quality in the Midlands 1994/95 : water quality summary data |
|---|
| 79 | The quality of rivers in England and Wales (1990 to 1995) |
|---|
| 80 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
|---|
| 81 | The Occurrence of Sheep Dip Pesticides in Environmental Waters June 1997 |
|---|
| 82 | Conservation in the Severn-Trent Region (NRA Severn-Trent 57)
|
|---|
| 83 | The Wandle, Beverley Brook, Hogsmill catchment management plan : action plan : July 1995 |
|---|
| 84 | The River Thame : catchment review : first draft - 16th Februrary 1996 |
|---|
| 85 | Policy and practice for the protection of groundwater |
|---|
| 86 | Charging for discharges scheme : guidance to the agricultural industry |
|---|
| 87 | 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 |
|---|
| 88 | Changes in the phosphorus content of the sediment of Esthwaite Water and water quality in response to a decreasing input of sewage-borne phosphorus |
|---|
| 89 | An audit of performance in the primary analysis of standard biological macro-invertebrate samples in 2002 : The Environment Agency (CEH Report Ref: C00158/31) |
|---|
| 90 | The quality of rivers and canals in England and Wales (1990 to 1992) : as assessed by a new general quality assessment scheme : report of the National Rivers Authority |
|---|
| 91 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
|---|
| 92 | Improved monitoring for surface water quality : the development of a manual of best practice |
|---|
| 93 | 1966 the original team approaching Esthwaite Water to practice sampling from a boat |
|---|
| 94 | Survey of physical characteristics of salmon spawning riffles in the river North Tyne
|
|---|
| 95 | Biological river quality 1995 according to the general quality (GQA) scheme [map] : scale 1 : 750 000 |
|---|
| 96 | An audit of performance in the analysis of biological samples in 1998. Environment Agency : primary audit |
|---|
| 97 | National marine baseline survey 1995 : littoral cell 2 : Flamborough Head to the Wash |
|---|
| 98 | National marine baseline survey 1995 : littoral cell 4 : the Thames to Selsey Bill |
|---|
| 99 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
|---|
| 100 | Pesticides 2000 : a summary of monitoring of the aquatic environment in England and Wales |
|---|
