226 | Welsh sheep dip monitoring programme : 1998 - March 1999 |
227 | Welsh sheep dip monitoring programme : 1998 summary report March 1999 |
228 | Aquatic pesticide pollution incidents in England and Wales - 1994 - 1995 |
229 | River Dee water protection zone : a consultation document |
230 | Database and atlas of aquatic vascular plants : phase 2 (352/1/N) : interim report |
231 | Water company plans to safeguard 1997 summer water supplies : Environment Agency report to the Secretary of State for the Environment : fifth report in a series |
232 | Environment Agency special waste statistics 1994-7 |
233 | National Rivers Authority, Welsh Region : drought report 1989 |
234 | Policy and practice for the protection of groundwater |
235 | An evaluation of discharge and consent compliance policy : a blueprint for the future |
236 | Radiation Experiments on Aquatic Organisms |
237 | Water resources development strategy : the Resplan Model. Supplementary report no. 7 |
238 | National Groundwater and Contaminated Land Centre annual report 2001/2002 |
239 | River landscape assessment : methods and procedures |
240 | Comparison of concentration values recorded for NMP locations with Annex 1A/OSPARCOM locations |
241 | Achieving the quality (Bilingual) : Sicrhau Ansawdd (Bilingual) |
242 | Review of water company drought plans : a report to government |
243 | Assessing water quality : General Quality Assessment (GQA) scheme for biology (Bilingual Welsh) |
244 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
245 | The Dee regulation scheme (bilingual) |
246 | Snapshots of the environment : regulating major industry |
247 | NRA regional, area and catchment boundaries |
248 | Policy and practice for the protection of groundwater |
249 | Investigations into the status of fisheries, biological and water quality in the River Pelenna catchment, prior to the treatment of discharges from abandoned coal mines : PL/EAW/95/3 |
250 | River Rhymney wildlife habitat improvements |