| 526 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
|---|
| 527 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
|---|
| 528 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
|---|
| 529 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
|---|
| 530 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
|---|
| 531 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
|---|
| 532 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
|---|
| 533 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
|---|
| 534 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
|---|
| 535 | Impact assessment of Meldon quarry on water quality in the West Okement river |
|---|
| 536 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
|---|
| 537 | The government's policy for a public regulatory body in a privatised water industry |
|---|
| 538 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
|---|
| 539 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
|---|
| 540 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
|---|
| 541 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
|---|
| 542 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |
|---|
| 543 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
|---|
| 544 | The Impact Of Grazing And Upland Management On Erosion And Runoff: Additional Information |
|---|
| 545 | Extending Rutland yield analysis to 1933 : supporting documentation for the regional water resources strategy |
|---|
| 546 | Investigation into the intermittent failure of Wembury Beach to comply with EC bathing water |
|---|
| 547 | The River Babingley. Volume 1 : executive summary : a report for National Rivers Authority, Anglian Region |
|---|
| 548 | The effect of ferric dosing of lakes on benthic invertebrates : first year report |
|---|
| 549 | The hydrological effects of demand management : project definition stage report : 28th May 1996 |
|---|
| 550 | Improved monitoring for surface water quality : the development of a manual of best practice |
|---|
