Inspectors with the province's occupational health and safety team were on site Tuesday in Donkin, N.S., to inspect the only remaining underground coal operation in Nova Scotia.
Some mine operations resumed this week after shutting down two years ago.
Regular safety inspections, announced and unannounced, will be conducted by the Department of Labour, Skills and Immigration, according to a release.
The owner of the Donkin mine, Kameron Coal, is required to submit monthly reports on ventilation, main fan and emergency power supply as well as stone dust sampling.
The company must also submit inspection reports upon request.
Regulatory approvals required
Before the mine could reopen, the Department of Labour reviewed Kameron Coal's operational plans to ensure they complied with occupational health and safety laws.
In June, the department received seven safety plans that needed approval before work could resume.
Experts conducted a "thorough review" of the plans, according to the department.
The province's Department of Environment and Climate Change directed Kameron Coal to update its greenhouse gas management plan to ensure measures are in place to mitigate emissions.
That plan was approved last month.
The company committed to installing a functional system to remove gases within 18 months of restarting production.
That system is estimated to reduce methane emissions by up to 35 per cent when the mine is operating.
Kameron Coal is required to update the plan within three months of resuming operations to focus on operational emissions.
The province says it will continue to monitor the mine's greenhouse gas emissions and expects the mine to meet Nova Scotia's legislated greenhouse gas emissions targets.
Before the mine was closed in 2020, the Labour Department issued a series of stop-work orders due to multiple roof falls.
The stop-work order remains in place in areas where rocks fell previously, according to the department.
Jill Balser, the minister of labour, skills and Immigration, said in a statement the province's priority is to make sure workplaces have safety plans in place.
Since Feb. 2017, the department completed 102 inspections, resulting in 152 warnings, 119 compliance orders and 37 administrative penalties issued at the mine.
The mine's current industrial approval expires in December. The company applied for a renewal earlier this month and the Environment Department is required to make a decision within 60 days.
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