Binduli, loaded Hampton acid train 7406 behind Q class Q 4009 with barrier waggon AZDY 30728, one of about fourteen WBAX vans converted to AZDY type sodium cyanide container waggon, originally built by WAGR Midland Workshops as one of seventy five WV/X type covered vans in 1967-68, converted late 1988/9 to WQDF.