1 | Biological investigation into the impact of the storm overflow at Middle Marwood Sewage Treatment Works |
2 | Analysis of benthic macro-invertebrate samples collected by the NRA during 1989 and 1990 from various habitats in the River Delph |
3 | Guidance on the use of Bioassays in Ecological Risk Assessment |
4 | Environmental assessment of selected abandoned minewaters in the North East region |
5 | A Proposed Scheme To Ensure The Quality Of Data Generated By Laboratories Undertaking Regulatory Ecotoxicological Testing |