| 151 | A report on the 1992 strategic stock assessment survey of the upper Eden catchment with particular reference to salmonids |
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| 152 | River Darent low flow alleviation. Annex 3 : plan for the Darent : report of the joint NRA/TWUL project team |
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| 153 | Conservation and recreation : the Wye challenge : towards a management strategy for the River Wye : summary report (bilingual) |
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| 154 | A biological investigation of the affects of discharges from Meldon quarry on the West Okemont River - 8/08/89 and 20/09/89 |
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| 155 | An investigation into the bacterial water quality of the River Umber, N. Devon : December 1996 : DEV/WQ/14/96 |
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| 156 | An investigation into the elevated BOD levels at Brocken Bridge (R30H001) on the Barnstaple Yeo [DEV/E/20/95] |
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| 157 | An investigation to determine if Great Torrington STW is the cause of elevated copper and zinc concentrations in the River Torridge |
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| 158 | A preliminary investigation into the extent of saline ingress into Curry Moor from the River Tone, January 1994 |
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| 159 | Modelling the contribution from non-agricultural sources to nitrate pollution in the Sor Brook (Thames Region) (UC 3134) |
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| 160 | A desk top study into the probable causes of poor water quality at Higher Hollacombe Farm (RO5K013) on the Hollacombe Lake |
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| 161 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
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| 162 | Final report of the controlled cohort investigations into the health effects of bathing in sewage contaminated coastal waters |
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| 163 | An investigation to determine the source of high levels of gamma-HCH in the Newlyn River during summer 1989 |
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| 164 | An investigation into high concentrations of atrazine in surface waters and the increase in maize production in the Otter valley |
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| 165 | An assessment of the causes of non-compliance with river quality standards within the River Tiddy catchment (1989-1991) |
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| 166 | An investigation into the frequency of discharge of three combined sewer overflows in the Afan/Kenfig catchment : TM/EAW/96/06 |
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| 167 | Options for transfer of water from the River Trent and reservoir storage at Great Bradley : technical summary of the feasibility report |
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| 168 | The Wandle, Beverley Brook, Hogsmill catchment management plan : consultation report : November 1994 |
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| 169 | The Cam catchment : recommendations for statutory water quality objectives |
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| 170 | The River Cam catchment management plan : annual monitoring report |
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| 171 | Algal blooms in the Lower Tees- Perspectives and prospects
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| 172 | Statement on public consultation for the Dove CMP : July 1995 |
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| 173 | The Warwickshire Avon catchment management plan : final plan : October 1994 |
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| 174 | Water from the River Dee : a working partnership |
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| 175 | Rivers of the Isle of Wight fact file |
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