576 | Environmental snapshot for the East of England [version 1] |
577 | Disturbing the season's due: plankton periodicity in Grassmere, 1987 |
578 | The Evaluation of Acoustic Doppler Current Profiler Equipment |
579 | Modelling phytoplankton development in the proposed Cardiff Bay Barrage
|
580 | The Impact Of Particulate Outputs Associated With Timber Harvesting |
581 | The evaluation of Grant/YSU 3800 water quality monitor |
582 | PVC : an evaluation using the Natural Step framework |
583 | Recommendations For The Processing And Presentation Of Groundwater Quality Data |
584 | Landfill and the water environment : NRA position statement |
585 | The vision for our environment : making it happen |
586 | Environment Agency guidance on the conditioning of intermediate level waste |
587 | Quality audit of biological samples for the 1991 river quality survey |
588 | Pesticides in the aquatic environment 1997 full report |
589 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
590 | The precious resource : a brief guide to managing our water resources |
591 | Quantification of the relationship between effluent quality and biological quality : final report |
592 | Charging for discharges scheme : guidance to the agricultural industry |
593 | Priority and other specific polluting substances and the Water Framework Directive |
594 | 'Sea Vigil' water quality monitoring : the Humber estuary 1994 |
595 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
596 | Research and development in the Environment Agency : a short guide |
597 | Clear Options towards an operational model for the Lee Valley Reservoirs |
598 | The Cam catchment : recommendations for statutory water quality objectives |
599 | The River Cam catchment management plan : annual monitoring report |
600 | Guidance for estimating the air quality impact of stationary sources - GN 24 |