Solid waste from horizontal gas wells contains radioactive material (image) American Chemical Society Share Print E-Mail Caption Solid waste from horizontal gas wells contains radioactive material that ends up in landfills. Click here for a high-resolution image. Credit American Chemical Society Usage Restrictions Please credit the American Chemical Society when using this image. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.