Industry disputes fracking study

Oil and gas industry groups questioned Wednesday a study that found hydraulic fracturing may contribute to acute and chronic health problems for those living near natural gas drilling sites.

The Colorado Oil & Gas Association and Independent Petroleum Association of America issued statements  calling the study “flawed” and “inaccurate.”

The response follows reports of a study by researchers from the University of Colorado-Denver School of Public Health that people living near drilling sites have a greater risk of suffering from cancer and other illnesses.

Lisa McKenzie, the study’s lead author and research associate at the university, analyzed air sample data…