What happens if the set limits are reached?
• If a reading is in excess of the set limit or goal (see question1), an agreed protocol is followed. This determines whether the reading was caused by an influence external to the operation of the exhaust stack, or because of the operation of the exhaust stack. • An example of an external influence or extra ordinary event could be a bush fire. In this case it could be expected that levels of particulate matter reach many times more than the set limit of 50 micrograms per cubic metre. • The protocol can be viewed by following this link.
