Part A(2)
(a)Surface treating metals and plastic materials using an electrolytic or chemical process where the aggregated volume of the treatment vats is more than 30m3 and where the activity is carried on at the same installation as one or more activities falling within—
(i)Part A(2) or Part B of Section 2.1,
(ii)Part A(2) or Part B of Section 2.2, or
(iii)Part A(2) or Part B of Section 6.4.