21.—(1) Chipping, shredding, cutting or pulverising waste plant matter (including wood or bark), or sorting and baling sawdust or wood shavings, on any premises if –
(a)those activities are carried on for the purposes of recovery or reuse; and
(b)no more than 1,000 tonnes of such waste are dealt with on those premises in any period of seven days.
(2) The storage of waste in connection with any activity mentioned in sub-paragraph (1) at the premises where it is carried on if the total amount of waste stored at those premises does not at any time exceed 1,000 tonnes.