Resource Technology Corporation is a provider that offers high quality certified reference materials (CRM), quality control (CC) samples and competency tests (PT). RTC has more than 20 years of solid experience in the environmental and pharmaceutical sectors. It was also one of the original suppliers of competency tests recognized by the US EPA. The quality systems are based on the accreditation of ISO / IEC 17025: 2005, ISO Guide 34: 2009, ISO / IEC 17043: 2010 and registration in ISO 9001: 2008 and accredited tests of competence of TNI.