Service Newfoundland and Labrador confirms the positions have been vacant for some time.
Union officials in Labrador say they're concerned about the vacancies, given the region's rapid industrial growth.
Union spokesman Ron Thomas, who works with the Iron Ore Company of Canada in Labrador City, says the company is facing a number of charges under the Occupational Health and Safety Act.
He says bringing in inspectors from the island when needed is not good enough.
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