601 | Surface water quality 1990 |
602 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
603 | Guidance notes for local planning authorities on the methods of protecting the water environment through development plans |
604 | Two year aesthetic survey of beaches in the South West (1990 and 1991) |
605 | Upper Thames catchment management plan consultation report (draft) November 1994 |
606 | East Devon public water supply strategy : Exe freshwater model - QUASAR validation/calibration |
607 | River Medway catchment management plan : phase 1 |
608 | MASQ: Monitoring and Assessing Soil Quality in Great Britain. Countryside Survey Module 6: Soils and Pollution |
609 | Water quality report 1991 |
610 | Kentish Stour catchment management plan : consultation report |
611 | Analysis of 1995 Survey Data: Phase 1. Unit III |
612 | River Sid catchment : river water quality classification 1991 |
613 | Testing and Further Development of RIVPACS: Stage 4 |
614 | Riverside litter : results of the 1990 campaign and a strategy for the future |
615 | The use of constructed wetlands to ameliorate metal-rich mine waters. Stage 1 : review of existing literature |
616 | River quality schemes |
617 | The Influence of Variations in Flow on General Quality Assessment of Rivers - Summary Document |
618 | Modelling algal blooms - final report |
619 | Welsh Regional plan summary 1990/91 (Bilingual): Rhanbarth Cymru crynodob cynllun |
620 | Sandon dock wastewater treatment works : outfall survey October 1992 |
621 | National baseline survey marine manual |
622 | The evaluation of an hydrolab DS3 submersible water quality monitor |
623 | Loweswater survey, July 1993 |
624 | The effects of water resources management on the rivers Bure, Wensum and Nar in North Norfolk : Final project report to the National Rivers Authority. July 1994 |
625 | St Agnes qualitative dye survey 22 August 1995 |