The separate collection of waste oils and preventing their mixing with other kinds of waste or substances are essential to ensure that their treatment delivers the best overall environmental outcome.
Tá sé fíor-riachtanach dramh-olaí a bhailiú ar leithligh agus cosc a chur ar a meascadh le cineálacha eile dramhaíola nó substaintí chun a áirithiú go mbeidh an toradh is fearr ar an iomlán ó thaobh an chomhshaoil de ar a gcóireáil.