and trichloralethylene was found. >> once it was found coming from the farm, the government absolutely dropped the ball. that ever should have let happen and let the people drink that water. >> the e.p.a. and union carbide adopted a remediation plant. it's a superfund site. we will let these chemicals go into the public drinking waters and aerate them out and then the water will be safe to drink. someone said, why don't we put carbon filters on that water just to make sure nothing gets through. they said it's going to aerate out, you don't need carbon. well, that was a mistake that cost lives. because it turns out the only thing, there was a lot of other stuff in the water they weren't looking for because they weren't on e.p.a.'s priority pollutant list so the group included other chemicals, thyrene and acilorites is known to cause cancer and they let it go 10 years and it wasn't until they saw the high rate of cancer that they took another look at the water and they found this. every critical fact community need to learn. you may think you're safe. you're not safe because there may be things in there you're not looking for. the priority pollutant list of the e.p.a. >> in 1996 when these cancer causing