quarantineed. they had no idea what was in the water. >> would you be comfortable eating the meat from the cows? >> no. not really. >> not with what we know. >> i wouldn't want to take a chance. >> texas law supported by the industry requires drilling company to disclose every chemical in the fracking fluid and post it for the public to see. >> they can go immediately and find out themselves what has been transported and carried. that what has been put in the ground. >> other states have similar measures but the fact that texas the traditional home of the oil and gas industry did this with us seen by environmental groups as a big step forward. >> it is up to the industry to demonstrate to the public it can be done safely and important step to demonstrate it to the public is being honest and open about the chemicals that are being used in the process. >> fracking has drawn vocal protest from groups worried about toxic chemicals and potential ground water contamination in response, a few companies recently began voluntarily