After that, there is certainly flowback or the come back of geologic and fracking liquids, hydrocarbons and gas to the surface. The gas is after that collected and sold. Garfield County asked the Colorado College of Public Wellness to assess the potential health impacts of the wells on the city of Battlement Mesa with a inhabitants around 5,000. McKenzie analyzed ambient surroundings sample data gathered from monitoring stations by the Garfield County Division of Public Health and Olsson Associates Inc. She utilized standard EPA methodology to estimate non-cancer health impacts and excess life time cancer dangers for hydrocarbon exposure. McKenzie noted that EPA standards are made to be public health proactive and could overestimate risks. However, there wasn’t data on all the chemicals emitted during the well development procedure, she stated.Angela Bradbury, lead study associate and writer professor of medicine at the University of Pennsylvania Perelman School of Medicine. Nevertheless, she found, ‘they have more worry [about breast cancer].’ Also, the greater the mothers’ distress, the more distressed their daughters, she said. Whether this stress and anxiety is trigger for concern isn’t very clear, and the study doesn’t show that a family’s cancer background causes psychological problems.