6401 | River Test catchment management plan : phase 1 |
6402 | River Test catchment management plan : phase 1. Draft. |
6403 | River quality survey GQA assessment 1998 : Dales area freshwater rivers and canals river reach classification summary 1990-9 |
6404 | Summary report on blue-green algae toxin analysis, Toxicity Assessment and reporting to the Environment Agency, 1998 |
6405 | Upper Ouse catchment management plan : consultation report summary : March 1996 |
6406 | Notonecta viridis, |
6407 | Rivers Swale, Ure and Ouse catchment management plan : final plan |
6408 | Trent licensing policy review : executive summary report |
6409 | Factual report on the boreholes and installation of standpipes for the combined investigations in connection with the East Ruston common SSSI Alleviation Scheme |
6410 | The River Colne Estuary subtidal biological survey 1992 |
6411 | The use of fertilizer-free buffer strips to protect dyke flora from nitrate pollution on Walland Marsh S.S.S.I |
6412 | Effects of Electric Fishing on Fish - Technical Summary |
6413 | Crayfish conservation (378/8/N) : interim report for 1993 |
6414 | Assessment of the Trophic Status of Rivers using Macrophytes - supporting documentation for evaluation of the Mean Trophic Rank |
6415 | Mesotrophic rivers in Anglian region : phase 1 June 1994 |
6416 | Chemical Techniques Manual |
6417 | Crangonyx pseudogracilis and Gammarus pulex |
6418 | A report on the investigation into water contamination at Hauxton, Cambrigeshire |
6419 | Fate and transport of phage and viruses in UK Permo-Triassic sandstone aquifers |
6420 | Aldrin and dieldrin concentrations in the Newlyn catchment during 1991 an interim report |
6421 | Waterways Breeding Bird Survey: progress and population trends: 1998 |
6422 | A partnership in environmental protection |
6423 | Control of substances hazardous to health : (COSHH) regs 1988. Interpretation and implementation |
6424 | Staying safe on Anglian waterway : safety guide |
6425 | Environment Agency special waste statistics 1994-7 |