The Chairman of the Commission in Texas that regulates drilling for oil and gas said, when talking about the danger of fracing contaminating ground water:

"We never had any contamination of groundwater due to hydraulic fracturing," she told a U.S. federal panel, according to the Hearst chain. It is impossible that these fluids migrate through one or two miles of rock to groundwater. There is more chance of hitting the moon with a fireworks display. "

Do they ban fireworks in Quebec out of abundant caution for the moon?

Inceptus