The National Registry of Environmental Professionals’® vision is to establish the guidelines and set the standard for environmental and safety certification on a global scale. The National Registry of Environmental Professionals’® mission is to provide professional certification and certification programs to those who have the required education, training, and experience to be qualified as various environmental and safety professionals. For over twenty five years, the National Registry of Environmental Professionals® (NREP?), a not-for-profit organization founded by Dr. Richard Young in 1987, has been credentialing qualified professionals in environmental and safety fields. NREP? is the largest not-for-profit accrediting organization and is recognized by the United States Department of Energy (DOE) and United States Environmental Protection Agency (EPA).