(4) pharmaceutical products which have become outdated or contaminated or have been stored improperly or are no longer required, such as human and animal vaccines, medicines and drugs; (5) genotoxic chemical waste and radio isotopes from experimental or diagnostic work or any other source;
(3) Izinto ezibukhali ezimdaka kunye nezo zingekasetyenziswa, kubandakanywa nezinto ezisetyenziswa kumaziko anika unyango ezinokuthi zisike okanye zihlabe okanye zincuntse, ezinje ngeenaliti, izarinji, ibhleyidi, kunye namacwecwe eglasi asetyenziselwa ukuvavanya unobangela wesifo;