off specification compost screenings wastes from desanding sludges from decarbonation
spent activated carbon separately collected fractions small plastics other plastics
other metals oil and fat clothes textiles
acids alkalines photo chemicals medicines
batteries equipment containing chloroflurocarbons other non-compostable wastes other municipal waste
mixed municipal waste waste from markets street cleaning residues septic tank sludge
abandoned vehicle abiotic factor absorption exposure acceptable risk level
cultural access access to information accident source accidents
accounting accounting system accumulator acidification
acidity acidity degree acoustic comfort acoustic filter
acoustic insulation acoustic level acoustic property acoustical quality
acoustics actinide action group active participation
active population adaptation period addition additional packaging
additive adequate food supply administrative body Administrative authority
administrative boundary administrative competence administrative court administration administrative deed
administrative fiat administrative law administrative occupation administrative organisation
administrative procedure administrative sanction adult adult education
advertisement aeration aerial photograph aerobic
aerobic treatment aerobiology aerodynamic noise aesthetics
Africa afterburning aggregate extraction agrarian structure
Algunos ejemplos : Resolución judicial   Refugiados   Escuela primaria   Agricultura ecológica   Tratamiento del cáncer