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2976NRA superannuation fund : report and accounts March 1993
2977NRA Thames region : audit surveys 1991/92 : a report on the re-surveys of selected reaches of river following maintenance dredging
2978Operating Manual For Transportable Estuarine Ph Instrument
2979Operational mechanisms for the protection and enhancement of headwaters
2980Alternative Farming Methods (Arable - Phase 2).
2981Oxford Canal fisheries survey 1990 : Upper Thames area
2982Partitioning of contaminants between water and sediment
2983Past achievements, present activities, future vision : annual review and summary accounts 1994-95 (Bilingual) : Llwyddiannau'r gorffennol gweithgareddau'r presennol gweledigaeth y dyfodol 1994-95 (Bilingual)
2984Paying for flood defence : fact file
2985Pesticides in the aquatic environment 1996
2986Physical environment for river invertebrate communities : interim report August 1993
2987Policy and practice for the protection of groundwater : regional appendix Welsh region
2988Possible replacements for the biochemical oxygen demand (BOD) test and suspended solids as measures of effluent and water quality : interim report (402/6/HO)
2989Predicting bathing water quality
2990Preventing pollution on industrial sites (Bilingual Welsh)
2991Procedures and results of biochemical oxygen demand tests carried out at the Crossness laboratory 1990
2992Procurement legislation and the NRA : a brief guide
2993Progress in water supply planning : the Environment Agency's review of water company water resources plans : a submission to Government
2994Proposed Environmental Quality Standards for 2-,3- and 4-Chlorophenol and 2,4-Dichlorophenol in Water;
2995Protecting Perranporth
2996Regional hydrometric report and catalogue 1989
2997Regional juvenile salmonid monitoring programme : annual report 1991
2998Regional juvenile salmonid monitoring programme : annual report 1993
2999Regional plan 1995/6
3000Remote surveillance data for assessing landscape change as a result of foot and mouth : a study in the Lake District : final report