Primacy 1 : A right granted to states by the US government that allows state agencies to implement programs with federal oversight. Usually, states develop their own set of regulations to meet a specific goal
George E. King Engineering, 5000 Oilfield Terms: A Glossary of Petroleum Engineering Terms, Abbreviations and Acronyms, US 2010. http://gekengineering.com/Downloads/Free_Downloads /Glossary_of_Petroleum_Engineering_Terms_25_August _2010.pdf, (Oil - Amer) {593}