the millions of liters of polluted watater mixed with fracking lewis returns to the surface where the liquid must be disposeded of. often near this with the liquids and volatile compounds can evaporate into the air. for the 8-day year life of the well, trucks must take away the pollutedixture. this c c be 50% of everything coming up the well, mostly volatile organic compounds. potential pommells with h this process s are not just relegated to thehe fracking of the well bt every aspect of reduction. the mainin is when t ty leak out of the sideses of f the shaft io the water table through cracked cases. also, the chemicals are mixed and sofas and stored in a large pond and a must be insulated from the college which is sometimes not done. once it is drilled and producuction, it can stillll be ininvisibly polluted. as much as s 9% of the methane d out of theay leak well.. most shale basins are even flat and maintain a fairly regular deep layer with you a hard rock contractions that would allow water to move upward. dog did from the university of the free state supported natural gas extrac