Some residents of Belmont County in eastern Ohio have long suffered from headaches, fatigue, nausea and burning sensations in their throats and noses. They suspected these symptoms were the result of air pollution from fracking facilities that dominate the area, but regulators dismissed and downplayed their concerns.
source https://www.lifetechnology.com/blogs/life-technology-science-news/community-led-science-uncovers-high-air-pollution-from-fracking-in-ohio-county