On May 9, 2014 the United States Environmental Protection Agency (USEPA) issued an Advance Notice of Proposed Rulemaking under Section 8 of the Toxic Substances Control Act seeking public comment on whether companies must disclose the chemicals used in hydraulic fracturing (fracking).  Read the related May 12, 2014 post by clicking here. The USEPA had now extended initial comment period (which was to expire on August 18, 2014) an additional 30 days.  The comment period is now scheduled to end in mid-September 2014.  For more information about fracking and the USEPA see: http://www2.epa.gov/hydraulicfracturing#outreach