1176 | Graphical representation of certain metals and organics concentrations in relation to flow rates and sampling times for some of the rivers in District 6 |
1177 | An audit of performance in the AQC inspection of standard biological macro-invertebrate samples in 2001 : Environment Agency CEH Report Ref: COO 15 8/24 |
1178 | Environmental radioactivity around steel works : an evaluation of the significance of lead-210 and polonium-210 in environmental samples collected in 1996/97 from around steel works Operated by British Steel at Redcar, Scunthorpe, Llanwern and Port Talbot |