526 | Bathing water quality in England and Wales in 1995 : report of the National Rivers Authority |
527 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk M |
528 | YSI, turbidity and discharge data for the Wensum Demonstration Test Catchment's monitoring kiosk M in 2014 |
529 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2012 |
530 | Devon area internal report - further investigations into pipe discharges in the Lower Teign estuary |
531 | Alleviation of low flow studies : the River Avon and its tributaries near Malmesbury : towards a solution |
532 | A report on water quality issues within the Midford Brook catchment - June 1996 |
533 | National marine baseline survey 1995 : littoral cell 11 : Great Orme to the Solway Firth |
534 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
535 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
536 | Report on the By Brook low flow investigations : October 2001 : volume 2 : (figures, maps and appendices) |
537 | Bathing water quality in England and Wales in 1993 : report of the National Rivers Authority |
538 | Water pollution incidents in England and Wales - 1993 : report of the National Rivers Authority |
539 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report summary : November 1994 |
540 | The distribution of PCDDS and PCDFS in surface freshwater systems 2nd Interim Progress Report - February 1993 |
541 | A study to investigate and propose remedies for river quality problems in the Madford catchment |
542 | Regional river quality monitoring and surveillance : results of the 1990/1991 biological survey : draft report |
543 | Impact assessment of Meldon quarry on water quality in the West Okement river |
544 | R and D Strategy to Support Implementation of the Water Framework Directive - Preliminary Scoping Report |
545 | The government's policy for a public regulatory body in a privatised water industry |
546 | Less sensitive areas and candidate high natural dispersion areas in the North West region |
547 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
548 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
549 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
550 | Annual classification of river water quality 1992 : numbers of samples exceeding the quality standard |