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John Nyholt has over 37 years of NDE experience in the Petrochemical and Aerospace industries. He is an ASNT Level III and has held NBIC, API-510, API-570 and CWI certifications. John is currently an advanced NDE instructor and independent NDT consultant operating out of the San Jacinto College Central Campus in Pasadena, Texas. He also currently serves as member of the API Subcommittee for Inspection, Master Editor of API RP 586, NDT Education Chairman for the Greater Houston ASNT Chapter, and an Editorial Board Member for Inspectioneering Journal.