Midland, AQHY 30039 with sulphuric acid tank CSA 0071, originally built by the WAGR Midland Workshops in 1964/66 at WF type flat waggons, then following several codes and modifications in 1997 seventy five were converted to WQH to carry CSA sulphuric acid tanks between Hampton/Kalgoorlie and Perth/Kwinana.