# The Education (Special Educational Needs) (Approval of Independment Schools) Regulation 1991, Paragraph 7: Substances and apparatus involving health hazards


(1) This paragraph shall apply in relation to the use of—
(a) any radioactive substance which has a specific activity in excess of 100 becquerels per gram, or
(b) any apparatus in which electrons are accelerated in vacao by a potential difference of at least 5 kilovolts other than a cathode ray oscilloscope, a television receiving set or a visual display unit used in the normal way for viewing.
(2) Before any such substance or apparatus is used for the purpose of instruction at the school, the Secretary of State shall be notified in writing of the proposed use.

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Source: https://www.legislation.gov.uk/uksi/1991/449/schedule/1/paragraph/7 (the official version)
Page: https://openlegislation.uk/education-special-educational-needs-approval-of-independment-schools-regulation-1991/schedule-1/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.