Summary
Colorado and Texas have joined Pennsylvania in adopting rules requiring drilling companies to disclose the concentrations of all chemicals in hydraulic fracturing, the controversial procedure that injects millions of gallons underground to free natural gas and oil.
The guidelines that Colorado's regulators approved Tuesday are similar to those required by a law passed in Texas this year but go further by requiring the concentrations of chemicals to be disclosed. Colorado's rule takes effect in April.See the full content of this document
Extract
More States Require Disclosure of Chemicals in Fracking Fluid
Pennsylvania has regulations in place requiring drillers to disclose on a well-by-well...
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