By Ben Geman - 08/14/12 01:16 PM EDT
The industry has touted the database in battling calls for legislation that would mandate disclosure of chemicals injected during fracking.
Fracking involves high-pressure injections of water, chemicals and sand into shale formations to open seams that enable hydrocarbons to flow.
The method is enabling an oil-and-gas production boom in the United States but bringing pollution fears along with it. Click here for the rest of the Bloomberg story.