DETERMINATION OF ACUTE TOXICITY OF WASTES AND WASTEWATERS

Toxicities of waste samples taken from landfill site and waste water samples taken from outlet of sewerage system were investigated. Eluates were prepared for the waste samples taken from landfill. In order to determine toxicities. of waste eluate and wastewater three different biotests namely Thamnotoxkit F (TM), Daphtoxkit F (TM), Protoxkit F (TM) were employed. Test results were expressed as LC50 for Thamnotoxkit EC50 for Daphtoxkit and Protoxkit. Physical and chemical caracteristics of wastes and wastewater samples were also determined and relation between physical and chemical parameters of the waste and waste water sample with toxicity results were evaluated. Reference tests were carried out with K2Cr2O7 to check the test procedures prier to the analyses with samples. Sample toxicity results were reported as Toxic Units (TU) and sensitivities of each test for each type of samples were determined.