contaminant

"contaminant" means any foreign, extraneous, toxic, noxious or harmful substance that is contained or present in or on any plant, animal, carcass, fish and agricultural produce including metal, microorganism and its toxin, drug residue, pesticide residue, radioactive residue or any chemical residue prohibited or permissible at a level specified in the relevant written laws;
ACT 728 - MALAYSIAN QUARANTINE AND INSPECTION SERVICES ACT 2011
3. Interpretation