This standard lays down requirements for the safe storage and handling of oxidizing substances of Division 5.1 (SANS 10228) and their associated subsidiary risks, in locations that are generally industrial, commercial and retail, including laboratories. The standard does not apply to a) the storage and handling of ammonium nitrate that is classified as explosives of class 1 in terms of SANS 10228, b) the storage and handling of oxidizing substances for normal use on residential premises or for own consumption at farms, c) the storage of oxidizing substances in pack sizes of more than 50 kg. This is dealt with in SANS 10263, d) dangerous goods that have a Division 5.1 (SANS 10228) subsidiary risk, and e) major hazard installations (MHI). All the requirements of SANS 10263 are deemed to be applicable in this document unless otherwise stated.