The Certified Hazardous Materials Manager (CHMM) is a voluntary certification offered by the Institute of Hazardous Materials Management. The CHMM credential is accredited in the United States as an engineering-related program by the Council of Engineering and Scientific Specialty Boards(CESB), and by the American National Standards Institute (ANSI) under ISO/IEC Standard 17024 (Personnel Certifications).
The requirements to become a CHMM are:

• a baccalaureate degree from an accredited college or university in a field related to the management of hazardous materials
• three or more years of relevant experience
• a passing grade on the written examination which covers: the U.S. laws and regulations, science and technology, and management practices related to hazardous materials
• signing a code of ethics
  Ethics
  Ethics, also known as moral philosophy, is a branch of philosophy that addresses questions about morality—that is, concepts such as good and evil, right and wrong, virtue and vice, justice and crime, etc.Major branches of ethics include:...
  
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Professional Development

Each CHMM is required to recertify by providing evidence of continuing proficiency every five years. Recertification is achieved by documenting continued employment in the field and providing evidence of continuing education and professional activities related to hazardous materials management. The documentation is evaluated through a system of peer review.