Newage Testing Instruments is accredited by the American Association for Laboratory Accreditation A2LA for hardness testing calibration services under ISO/IEC 17025:2005 and proficiency testing of hardness testing under ILAC G13:2007. Our Accreditations: A2LA Accredited Laboratory for Calibration (Certificate 1734.01) A2LA Accredited Proficiency Testing Provider (Certificate 1734.02)