| 251 | Quantification of the relationship between effluent quality and biological quality : interim report for stage 1 |
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| 252 | Water pollution incidents in England and Wales 1991 : report of the National Rivers Authority |
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| 253 | Further investigation of the pilot borehole at Bean's Lane, Wortham (94/7/912) : September 1994 |
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| 254 | The disposal of sheep dip waste (R and D Report 11) : effects on water quality |
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| 255 | Future foundations : building a better South West : a sustainable construction charter for the region |
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| 256 | Proceedings of the conference National Minewaters 20th -21st April 1998 Tapton Hall Sheffield University |
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| 257 | The development of a portable battery-powered telemetry system for use in water quality investigations |
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| 258 | Monitoring of the River Burn upstream and downstream of Burnham Market sewage treatment works 1999 |
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| 259 | An environmental assessment of mercury in mussels (Mytilus edulis L.) in the Mersey Estuary : final report |
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| 260 | Investigation into the frequency of storm overflow operation at Bradworthy sewage treatment works (1996) |
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| 261 | Effects of suspended solids on salmon (Salmo salar, L.) in the Parrett stuary, Somerset, Draft |
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| 262 | Water pollution incidents in England and Wales - 1990 : report of the National Rivers Authority |
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| 263 | Microbiological examination of coastal waters in the North West : summary of results 1998 |
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| 264 | YSI, turbidity and discharge data for the Wensum Demonstration Test Catchment's monitoring kiosk M in 2014 |
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| 265 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk M |
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| 266 | ISCO automatic water sample data for the Wensum Demonstration Test Catchment's Kiosk M |
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| 267 | YSI, turbidity and discharge data for the Wensum Demonstration Test Catchment's monitoring kiosk M in 2013 |
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| 268 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk D in 2011 |
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| 269 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2013 |
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| 270 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk B in 2011 |
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| 271 | YSI, turbidity and stage data for the Wensum Demonstration Test Catchment's monitoring kiosk A in 2014 |
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| 272 | Routine laboratory water sample data for the Wensum Demonstration Test Catchment's monitoring kiosk A |
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| 273 | Old Bedford incorporating the Middle Level and Ouse Washes : consultation report - May 1997 |
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| 274 | Development of data and information sources on Natura 2000 estuarine sites in the North West : Duddon Estuary : final report |
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| 275 | Development of data and information sources on Natura 2000 estuarine sites in the north west : Morecambe Bay : final report |
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