Some Sources of Oil and the Disturbing things about The Oil Industry 1. They use Radioactive material to test their pipes for leaks FOREVER. We have been absorbing radioactive iodine for years. Does your town have oil wells and a high incidence of cancer, such as the canary in the mine, THYROID cancer? Any place with increased thyroid cancer should be concerned. Uses of radioactivity in oil and gas wells . This is one major reason why Trump dismantled the EPA. 2. The chemicals used in fracking should be outlawed from coming anywhere near our water supplies. They cause infertility, birth defects, respiratory problems, and a weakened immune system 3. Offshore drilling places our oceans at significant risk, when we should be investing in technology that harvests the natural waves, tides, wind, and sun.