| assessing sediment toxicity and arsenite concentration with bacterial and traditional methods. | three sediment samples lp (pool where logs are stored), lf (brook through landfill area), kn (kaskesniemi) which is in lake pyhäselkä downstream from the mill, were taken from an old sawmill area and one from the unpolluted lake höytiäinen. the arsenite concentration was measured by gfaas and two arsenite biosensing bacterial strains pseudomonas fluorescens os8 (ptpt31) and escherichia coli mc1061 (ptoo31). the toxicity of sediment and pore water samples was determined by using luminescent bacte ... | 2003 | 12547530 |