| 226 | Assessing water quality : General Quality Assessment (GQA) scheme for biology (Bilingual Welsh) |
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| 227 | NRA programme for the monitoring of water quality Parts 1 to 3 - November 1994 |
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| 228 | River Kennet catchment management plan : annual review 1994/95 : June 1995 |
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| 229 | 1996 Hit Lists, Final Draft, PARCOM Low Loads summarised by Region |
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| 230 | A review of the performance of Aldershot STW and its effect on the River Blackwater |
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| 231 | North Devon streams : first annual review, October 1998 |
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| 232 | Investigation into denitrification underground |
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| 233 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk E |
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| 234 | MIKE II application guide (350/12/NW) |
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| 235 | Rivers Axe and Lim catchment management plan : action plan |
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| 236 | River Seaton catchment river water quality classification 1990 |
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| 237 | Midlands environmental reference book 1995/96 |
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| 238 | River Glen : river channel assessment : executive summary |
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| 239 | Synthetic pyrethroid survey 1998 |
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| 240 | Distribution of Azolla in the Great Ouse catchment |
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| 241 | Investigation into the cause of high phenols in Budleigh Brook (1998) |
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| 242 | Darent LEAP : July 2000 |
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| 243 | The effects of Guildford STW on the River Wey |
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| 244 | Wheal Jane : a clear improvement |
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| 245 | National marine baseline survey 1995 : littoral cell 7 : Lands End to the Severn Estuary |
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| 246 | River Cherwell catchment review |
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| 247 | A Proposed Scheme To Ensure The Quality Of Data Generated By Laboratories Undertaking Regulatory Ecotoxicological Testing |
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| 248 | Little Avon catchment water quality plan |
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| 249 | Survey of the non-agricultural use of pesticdes within the Thames region |
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| 250 | Identification of pollution incidents potentially affecting routine monitoring sites 1991-1992 : draft report |
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