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The ASSE 6020 Medical Gas Systems Inspector certification program is a twenty-four (24) hour training course and final exam. It is web based and self-paced, and the program content are all provided online.  The ASSE 6020 program was developed to ensure individuals are technically competent and experienced in the field of medical gas system inspections.  The program is based on the code requirements identified in the NFPA 99, Health Care Facilities Code, 2012 edition and the NFPA 55, Compressed Gasses and Cryogenic Fluids Code, 2010 edition. Candidates will also be given a basic understanding of the application, operation, and code requirements of all materials, components, and equipment that are used in medical gas systems.


The Medical Gas Systems Maintenance Personnel certification is administered in accordance with the American Society of Sanitary Engineers (ASSE) Series 6000 Standard, Section 6020. Candidates must meet the following requirements in order to become ASSE 6020 Certified.

All candidates shall be employed by a governmental unit as a plumbing and/or mechanical inspector, or as an administrator of such inspectors OR be a person regularly involved in the design or inspection of medical gas systems.

All candidates shall have a minimum of two (2) years of documented experience in the inspection and/or design of medical gas systems.

All candidates shall have successfully completed the twenty-four (24) hour training course covering all aspects of the ASSE Standard 6020.

All candidates must successfully pass the final examination.

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