The Crude Oil Quality Group (COQG) is sponsoring this document as an informational tool to be usedby personnel in the petroleum industry. This document is intended to provide basic information on theeffects that certain crude oil contaminants have on refinery operations. COQG’s goal is for thisdocument to provide beneficial material to all parties involved in the crude oil supply chain - from thewellhead, to pipelines, and to the refinery gate.This initial document is intended to be the fir...
