19.—(1) The storage on a site of waste which arises from demolition or construction work or tunnelling or other excavations or which consists of ash, slag, clinker, rock, wood or gypsum, if—
(a)the waste in question is suitable for use for the purposes of relevant work which will be carried on at the site; and
(b)in the case of waste which is not produced on the site, it is not stored there for longer than three months before relevant work starts.
(2) The use of waste of a kind mentioned in sub-paragraph (1) above for the purposes of relevant work if the waste is suitable for use for those purposes.
(3) The storage on a site of waste consisting of road planings which are to be used for the purposes of relevant work carried on elsewhere if—
(a)no more than 50,000 tonnes of such waste are stored at the site; and
(b)the waste is stored there for no longer than 3 months.
(4) In this paragraph, “relevant work” means construction work, including the deposit of waste on land in connection with—
(a)the provision of recreational facilities on that land; or
(b)the construction, maintenance or improvement of a building, highway, railway, airport, dock or other transport facility on that land,
but not including either any deposit of waste in any other circumstances or any work involving land reclamation.