2U.K.The committee shall include persons who appear to the Secretary of State to be representative of—
(a)persons engaged in carrying on industrial or commercial undertakings;
(b)persons having scientific knowledge of matters concerning pollution of the environment;
(c)bodies concerned with the protection or improvement of the environment; and
(d)bodies concerned with the protection of persons using substances or articles subject to regulation under section 140 or 142 of this Act.