Yes. The Certified Hazardous Materials Manager (CHMM®), the Certified Hazardous Materials Practitioner (CHMP®) and the Certified Dangerous Goods Professional (CDGP®) credentials are accredited by the American National Standards Institute (ANSI), which meets ANSI/ISO/IEC 17024, the International Standard for Personnel Certification Programs.  Additionally, both CHMM and CHMP credentials are accredited by the Council of Engineering and Scientific Specialty Boards (CESB), which meets ASTM Standard E 1929-98 for Personnel Certification Programs.