Paragraph 6
(1)
The use of a fume cupboard shall not be taken to be an activity falling within Part 1 if it is used as a fume cupboard in a laboratory for research or testing and it is not—
(i)
a fume cupboard which is an industrial and continuous production activity enclosure; or
(ii)
a fume cupboard in which substances or materials are manufactured.
(2)
In sub-paragraph (1) “fume cupboard” has the meaning given by the British Standard “Laboratory fume cupboards” published by the British Standards Institution numbered BS7258 : Part I : 1990.