Home » management (x) » nitrogen (x)
#Title
2626National Rivers Authority Pension Fund Report and Accounts March 1995
2627National Rivers Authority Superannuation Funds report and accounts 1992
2628National Rivers Authority Welsh Region 1994/95 draft regional plan
2629National Rivers Authority, Welsh Region : regional review 1989/90
2630New Sampling and Analytical Methods: Pesticides and Transformation Products in Chalk Aquifers
2631NRA superannuation fund : report and accounts March 1993
2632NRA Thames region : audit surveys 1991/92 : a report on the re-surveys of selected reaches of river following maintenance dredging
2633Operating Manual For Transportable Estuarine Ph Instrument
2634Operational mechanisms for the protection and enhancement of headwaters
2635Alternative Farming Methods (Arable - Phase 2).
2636Oxford Canal fisheries survey 1990 : Upper Thames area
2637Partitioning of contaminants between water and sediment
2638Paying for flood defence : fact file
2639Pesticides in the aquatic environment 1996
2640Physical environment for river invertebrate communities : interim report August 1993
2641Policy and practice for the protection of groundwater : regional appendix Welsh region
2642Possible replacements for the biochemical oxygen demand (BOD) test and suspended solids as measures of effluent and water quality : interim report (402/6/HO)
2643Predicted high and low tide tables 2001 : Southern region
2644Predicting bathing water quality
2645Preventing pollution on industrial sites (Bilingual Welsh)
2646Procedures and results of biochemical oxygen demand tests carried out at the Crossness laboratory 1990
2647Procurement legislation and the NRA : a brief guide
2648Progress in water supply planning : the Environment Agency's review of water company water resources plans : a submission to Government
2649Proposed Environmental Quality Standards for 2-,3- and 4-Chlorophenol and 2,4-Dichlorophenol in Water;
2650Regional hydrometric report and catalogue 1989