|Title||In-place pollutants in Trail Creek and Michigan City Harbor, Indiana. U.S. EPA-440/5-78-012|
|Publication Type||Government Report|
|Year of Publication||1978|
|Pagination||viii + 86 pp.|
|Publisher||Environmental Protection Agency, Office of Water Planning and Standards|
Bioassays with four selected sediments overlain by clean water in aquaria showed a significant range of toxicity. Toxicities of sediment samples did correlate with the concentration of several pollutants, suggesting that the bioassays provided a finer distinction regarding the degree of sediment pollution that was provided by studies of macrobenthos.