Other waste recovery

This class includes:

• preparation of sewage sludge for land treatment resulting in benefits to agriculture or ecological improvement
• preparation of non-hazardous waste for reclamation in excavated areas or for engineering purposes in landscaping

This class excludes:

• production of biogas from sewage sludge, see 35.21
• back-filling without related preparation activities (e.g. preparation of non-hazardous waste for engineering purposes in landscaping), see division 42