The chair explained the progress report and the decided issues from the 3rd meeting are (VIAQ-04-04):

• three testing modes (Ambient, Parking, Driving),
• tested substances (Formaldehyde, Acetaldehyde, Acrolein, Benzene, Toluene, Xylene, Ethylbenzene, Styrene)

The chair presented the open issues in the discussion item list. The main items for the 4th meeting were (VIAQ-04-05):

• Vehicle categories
• Vehicle age (production date, mileage definition)
• Transport & Storage
• Testing conditions for the different modes

The open tasks of the work item list were discussed. (VIAQ-04-04, VIAQ-04-05) The following status was determined. It is proceeding as four steps (To be determined, Under discussion, Provisional conclusion, and Closed):

• “To be determined” means that this point hasn’t been touched, but is still important for the procedure. The working item is proposed by members
• “Under discussion” means that this task is still being discussed. Members should address their opinions on it.
• “Provisional conclusion” means that a majority of the group’s members agree on the items. The items will be open for other opinions, objections, and suggestions at the next meeting.
• “Closed” means the item is decided (final conclusion) and won’t be discussed again.