Dust monitor misuse leads to high reading

THE New South Wales Resources Regulator has warned coal mine operators to ensure dust monitors give accurate readings after a retest found a high reading was due to the monitor not being used properly by a worker.

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The monitor was exposed to surface dust from the seat and possibly other areas.

As part of routine person dust monitoring, the worker performing maintenance work between the workshop and the pit, returned a silica dust concentration exceeding the adjusted occupational exposure