726 | First annual review of the Taw/Torridge estuary catchment management plan (1996)
|
727 | Suffolk estuarine strategies : Blyth estuary strategy : introduction to the strategy |
728 | Method for the assessment of river water quality using benthic macroinvertebrates |
729 | Development of Operational and Policy Guidance on the Use of Hydrogen Peroxide |
730 | The National Groundwater and Contaminated Land Centre (NGWCLC) |
731 | The evaluation of a Philips ammonium ion selective electrode (220/14/T) |
732 | The greening of Grasmere: its plankton periodicity in 1988 |
733 | A strategic review of the petroleum refinery Industry Sector |
734 | Guidelines for river corridor surveys in the NRA : February 1992. draft 3 |
735 | Second annual review of the Sid/Otter catchment management plan 1999 |
736 | Contribution of small streams to potential fish production in the Conwy catchment |
737 | NRA strategy for reducing the concentration of pesticides in controlled waters |
738 | Low-cost modifications of the Crump weir to improve fish passage |
739 | Policy and practice for the protection of groundwater - Thames region appendix |
740 | Policy and practice for the protection of floodplains |
741 | 'Sea Vigil' water quality monitoring : the Wash 1992-1993 |
742 | Second annual review of the Seaton, Looe and Fowey catchment management plan |
743 | The Yarrow catchment : recommendations for statutory water quality objectives |
744 | Leachate Migration Through The Triassic Sandstones At Burntstump Landfill And Elsewhere |
745 | The evaluation of a Nico Elit 051 ammonium ion selective electrode (220/16/T) |
746 | Guidance on the use of Bioassays in Ecological Risk Assessment |
747 | The National Rivers Authority employee attitude survey : summary |
748 | The Use of a Hydroacoustic Counter for Assessing Salmon Stocks |
749 | Geochemical process modelling : progress report for the period Jan - March 1993 (0295/11/A) |
750 | Pesticides in the aquatic environment 1997 : executive summary |