6426 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
6427 | Mesotrophic rivers in Anglian region : phase 1 June 1994 |
6428 | Chemical Techniques Manual |
6429 | Crangonyx pseudogracilis and Gammarus pulex |
6430 | A report on the investigation into water contamination at Hauxton, Cambrigeshire |
6431 | Fate and transport of phage and viruses in UK Permo-Triassic sandstone aquifers |
6432 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
6433 | Waterways Breeding Bird Survey: progress and population trends: 1998 |
6434 | A partnership in environmental protection |
6435 | Control of substances hazardous to health : (COSHH) regs 1988. Interpretation and implementation |
6436 | Development of tools for assessing genotoxicity |
6437 | Environment Agency special waste statistics 1994-7 |
6438 | A review of hazardous substances |
6439 | Catchment inventories : a summary report |
6440 | Control of substances hazardous to health regulations 1988 : handbook of assessed general products |
6441 | EC dangerous substances directive : formal monitoring programme 1994 |
6442 | Report on EC directive compliance 1996 |
6443 | Overseas Approaches to Setting River Flow Objective |
6444 | Scenarios for the operational implementation of remote sensing of snow by satellites : interim report (207/3/N) |
6445 | Gandolf Thunderstorm Warning Project |
6446 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
6447 | Alternative Farming Methods A Study of the Effects of an Integrated Arable Mgment System on Levels of Herbicide and Nutrients Reaching 'Controlled Waters' |
6448 | Upper Fal Estuary urban waste water treatment directive sensitive area (eutrophic) designation : final draft report |
6449 | Water wise : a water saving guide for NRA offices |
6450 | Annual classification of river water quality 1992 |