376 | Biological assessment of the effects of Ivybridge Sewage Treatment Works on the River Erme |
377 | The behaviour of atrazine and simazine within the chalk aquifer : experimental results and interpretation |
378 | A unified information system to satisfy the NRA's requirement for ecotoxicology information: the specification study |
379 | A Status Report on the Direct Oxygenation of the Tywi Estuary - October 1989 |
380 | The application of toxicity-based criteria for the regulatory control of wastewater discharges: a consultation document |
381 | An investigation into the effects of Alton sewage works on the River Wey North |
382 | Investigation into the impact of Henstridge sewage treatment works on the River Umber, North Devon |
383 | A brief history of the River Stour navigation : 1705 to the present day |
384 | The Investigation and Specification of Flow Measurement Structure Design Features that Aid the Migration of Fish |
385 | Discharges of waste under the EC titanium dioxide directives : report of the National Rivers Authority |
386 | Protecting your future : tackling flooding in the Thames Estuary through the 21st century |
387 | The land-use planning system and the Water Framework Directive (can't read barcode) |
388 | The Natural (Baseline) Quality Of Groundwaters In England And Wales - The Culm Aquifers, SW England; |
389 | Rural sewage pollution in the '90s : report of the rural sewerage project 1993/4 |
390 | Responses to 'Outlook for the environment' : a summary of the responses to the Environment Agency's consulation on the priorities for investment by water companies in environmental improvements as part of the Periodic Review |
391 | Report on the national marine analytical quality control scheme 1993/94 : presented to the 18th October 1994 meeting of the Marine Pollution Monitoring Management Group |
392 | Identification of Blue Green Algae of the British Isles Guide to the Genera and Use of the Interactive CD-ROM for Identification of Species |
393 | Outlook for the environment : a consultation paper by the Environment Agency on the priorities for investment by water companies in environmental improvements |
394 | Implementation of the EC freshwater fish directive : water quality requirements for the support of fish life : report of the National Rivers Authority |
395 | East Devon public water supply strategy as assessment of the hydrological impact of the Wimbleball pump storage scheme at key sites on the River Exe |
396 | Biological Assessment Methods: Controlling the Quality of Biological Data. Package 1 The variability of data used for assessing the biological condition of rivers |
397 | Response to questions posed by Northumbrian Water Authority, with special reference to the fisheries implications of the operation of the Kielder Water Scheme
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398 | Report on the national marine analytical quality control scheme 1992/93 (MPMMG 93/12) : presented to the October 1993 meeting of the Marine Pollution Monitoring Management Group |
399 | A map of the Queen Elizabeth National Park and the area in which the IBP L. George team were situated from late 1966 to 1972. |
400 | The effects of ammonia in discharges from Hogsmill STW on the water quality of the River Thames at Teddington : Summer 1990 an update |