The Debate About Fracturing Must Be Based On Sound Science
Similarly, some residents of Flower Mound, Texas (north of Fort Worth) suspected that breast cancers were linked to increased drilling. After extensive investigation by the University of Texas Southwestern Medical Center in Dallas, the Texas Cancer Registry, and Susan G. Komen for th cure in Dallas all said ther is no evidence of an increase in cancers. The Texas Department of State Health Services also found no connection between natural gas production and cancer in 2014.
“Safety thresholds and air quality issues also are ripe for confusion,” Hill wrote. “State regulators use short-term and long-term values to set thresholds to protect public health. Short-term values are intended to protect against adverse effects of exposures to various compounds in the air occurring over a period of hours to a few days. Long-term values are intended to protect against the adverse effects of exposures over a long period of time, such as 70 years. Safety thresholds for long-term exposure are lower than short-term thresholds.
“Some confuse the issue, however, by comparing short-term air test results (from continuous air monitors, for example) to lower, long-term thresholds,” Hill continued. “Comparing short-term data measurements to long-term standards is not scientifically appropriate. The question should be: are short-term air tests, based on one-hour or 24-hour monitor readings, in compliance with short-term safety thresholds? In the vast majority of instances, the answer is yes.”
Hill pointed out that the Environmental Protection Agency (EPA) recently reported methane emissions from petroleum and natural gas systems sector have decreased by 12 percent since 2011, with the largest reductions coming from hydraulically fractured natural gas wells, which have decreased by 73 percent during the period.
As the debate rages on, Hill asserted the dialogue must be based on sound science.
Alex Mills is President of the Texas Alliance of Energy Producers.
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