(1) establish, own and operate(a) a plant for the upgrading of residual material, in particular by recovery, reuse, recycling, composting and reclamation;
(b) a site for the disposal of residue from the operation of such a plant and of waste in the possession of the Community for such operation, which cannot be used for that purpose;
(c) a site for the disposal of residue from the operation of any waste water purification plant of the Community;
(d) a site for burying sludge from septic installations;