The test, called EarlyCDT-Lung, will include 10,000 high-risk smokers (defined as having smoked the equivalent of 20 cigarettes per day for over 20 years).
It detects signals produced by the immune system when lung cancer is present.
This can mean up to five years earlier than tumour detection.
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Monica O'Connor and at least two other people were killed in the incident, and a British man remains missing.
Lively downpours across the south, Wales and Northern Ireland today - slow moving and intense with hail and thunder.
"The council's inspector judged there was an imminent health risk and an immediate voluntary closure of the takeaway was agreed."