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1The rehabilitation of the River Taff
2The law of the National Rivers Authority
3The effects of flow reduction in the River Dee on the aquatic environment
4The Dee regulation scheme (bilingual)
5The effect of the voluntary initiative on water quality
6Hydrometry : the science of measuring the water cycle
7The role of the National Rivers Authority in droughts
8The investigation of the Taff litter problem : report no. PL/EAE/89/2
9The state of the water environment : six year trends report
10Contaminants entering the sea : data appendix : data on contaminant loads entering the seas around England and Wales for the years 1990-1993
11A litter assessment of two major tributaries of the Taff, the Cynon and the Rhondda : surveyed March - April 1990
12The River Ogmore action plan support document
13Riverside litter : results of the 1990 campaign and a strategy for the future
14Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority
15The water protection zone (River Dee catchment) designation order : supplementary paper in support of the application
16The quality of rivers, canals and estuaries in England and Wales : report of the 1990 survey
17Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3
18An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2002 : The Environment Agency (C00158/31)
19An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06
20The quality of rivers in England and Wales (1990 to 1995)
21The River Ogmore catchment management plan : action plan
22Further Validation of PHABSIM for the Habitat Requirements of Salmonid Fish
23River quality in England and Wales : a report of the 1990 survey
24Water quality 2000 : a strategy for the water quality function
25The River Dee catchment management plan : consultation report : June 1994