cancer risk recommendation of what s acceptable. the state s top environmental regulator, who says part of his mission is to protect human health, also says this. 0.2 doesn t mean anything to me. i want to get as close to zero as i possibly can. to artificially target a number that you can t you can t legally enforce, it actually makes no sense. reporter: this man is an executive officer of the company and a manager of the plant. so this company doesn t believe that it causes cancer? that s correct. reporter: this summer, the company commissioned a study which argues that color oh preen s should be changed from likely kars knowgenic to possibly kars knowgenic and that 0.2 should be 31.2. we ve looked at the study they did and how they came up with that 0.2, and we have found
we asked the epa for an interview. they declined but agreed to answer questions via e-mail. the epa tells us 99% of the toxin that is emitted by facilities across the country comes from this plant. in 2010:00 it was determined the chemical was likely kars knowgenic to humans. and the epa says there are many other health problems associated with exposure. i grew up with a chronic kidney disease all my life. reporter: robert taylor iii says he grew up near the plant and he was in and out of hospitals for most of his childhood. he moved away after high cool and had no problems more for man 20 years. then just six months after moving back, taylor says his kidneys failed. taylor says cancer diagnoses are common in his neighborhood. husband and wife die from cancer across the street.