the link between exposure to tce in humans is uncertain. one study of more than one and half million residents in 75 different have shown higher incidences of leukemia and non-hodgkin's lymphoma. in groups of females exposed to tce concentrations greater than five parts per billion. several studies conducted in attitudes it's let the massachusetts department of health to conclude there was an eight fold higher risk of leukemia in children whose mothers were exposed to solventt contaminated drink and water during pregnancy. these days again and called a mixture of chemicals including tce in the water. tce was listed in 2005 as reasonably anticipated to be a human carcinogen and a congressionally mandated report on carcinogens. the listing was based on evidence from seven human studies along with the studies and laboratory animals. both show that tce exposure caused tumors especially can deliver. argue of epidemiological literature's show that tce was associate with higher incidences of liver cancer, kidney cancer, non-hodgkin's lymphoma, pro