This standard specifies the basis and methods for identifying major hazard sources of hazardous chemicals. This standard applies to all enterprises or organizations that produce, use, store and operate hazardous chemicals. This standard does not apply to: nuclear facilities and factories processing radioactive materials, except for those facilities and factories processing non-radioactive materials; military installations; mining industry, except for processing and storage activities involving dangerous goods; hazardous chemicals transportation; offshore oil and gas exploration activities.