December 13, 2011
Colorado regulators unanimously approved the new rules Tuesday that take effect in April.
The guidelines are similar to those required by a first-in-the-nation law passed in Texas this year but go further by requiring the concentrations of chemicals to be disclosed.
“That’s the big advancer here. We’re getting a full picture of what’s in that fracking fluid,” said Michael Freeman, an attorney for Earthjustice who worked with industry to write the rules.
Also, if Colorado drillers claim a trade secret, they would still have to disclose the ingredient’s chemical family. In emergencies, companies would have to tell health care workers what those secret ingredients were.
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