Oil and gas expert witnesses may consult on oil and gas pumps, fracking, petrochemical manufacturing, pipelines, crude oil, and the petroleum industry, as well as related topics. On September 24, 2013, the EPA published final amendments to sections of its 2012 New Source Performance Standard regarding storage vessels used in the production, processing, transmission, and storage of oil and natural gas. On EnergyLegalBlog.com, attorneys at Bracewell & Giuliani write “These amendments specifically modify the regulations applicable to storage tanks with a potential to emit six or more tons per year of volatile organic compounds.”