# Fire Certificates (Special Premises) Regulations (Northern Ireland) 1991, Paragraph 7


Any premises at which there are stored, or there are facilities provided for the storage of, quantities of chlorine of, or in excess of, 50 tonnes except when the chlorine is kept solely for the purpose of water purification.

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Source: https://www.legislation.gov.uk/nisr/1991/446/schedule/1/paragraph/7 (the official version)
Page: https://openlegislation.uk/fire-certificates-special-premises-regulations-northern-ireland-1991/schedule-1/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.