/community-hubs/measurement-instrumentation/b/flow_weblog/posts/flow-measurement-solutions-for-the-refinery-sector-rule-requirementsMeha Jha The United States Environmental Protection Agency (EPA) release a rule, 40 CFR Part 63 – National Emission Standards for Hazardous Air Pollutants: Petroleum Refinery Sector, in 2015. Elements of the rule were reconsidered with a final ruleen-USTelligent Community 13