Established in 1962, Chem Service is accredited to ISO Guide 34:2009, ISO/IEC 17025:2005, and registered and certified to the ISO 9001:2008 Quality Management System for the design, development, production, distribution, and servicing of organic neat and synthetic reference materials.Chem Service, Inc. produces high purity chemicals for use as reference materials and for other laboratory purposes. More than 95% of our Standards Grade materials have a certified purity of 98.0% or greater and do not require purity corrections when preparing solutions for use with EPA, USTM, UST, and numerous other international methods.Stand