konġeneruvalur tefdibenżopdiossini (pcdd) u dibenżofurans ( pcdf) 2378tcdd112378pecdd1123478hxcdd01123678hxcdd01123789hxcdd011234678hpcdd001ocdd000012378tcdf0112378pecdf00523478pecdf05123478hxcdf01123678hxcdf01123789hxcdf01234678hxcdf011234678hpcdf0011234789hpcdf001ocdf00001pcb li jixbhu ddiossini pcb mhux orto + pcb monoorto pcb mhux ortopcb 7700001pcb 8100001pcb 12601pcb 169001pcb monoortopcb 10500001pcb 11400005pcb 11800001pcb 12300001pcb 15600005pcb 15700005pcb 167000001pcb 18900001