Abstract: This position statement provides recommendations for dealing with undefined exposures and which defined exposures are closest in nature in NFPA 55. For unclear requirements in NFPA 55, installers of hydrogen storage systems should use the recommendations in this position statement. CGA will be requesting that NFPA 55 refer to PS-48 for clarification of unclear separation distances. For unclear requirements in NFPA 55, installers of hydrogen storage systems should use the recommendations in this position statement. CGA will be requesting that NFPA 55 refer to PS-48 for clarification of unclear separation distances.
Published in 2016. The 2nd edition will address NFPA 2:2023. Available at https://portal.cganet.com/Publication/Details.aspx?id=PS-48