That doesn't seem likely. The article itself says that 3 workers had 170-180 millisieverts, and that was the worst case that got them sent to hospital for a check-up. You need around 2,000 ms for a fatal dose. No-one has died, no-one is likely to die.

The article is mainly based on an interview, not with a worker, but with a mother of a worker. I'm sorry, but it's not very credible. Maybe they have said they are prepared to die; that's heroic and gung-ho and applaudable, but not the same as actually dying.

The article also has quotes from people who refused to work there. They are as ignorant and paranoid as most of the rest of them. There's so much fear-mongering in the media. The bias and lack of rationality is sad.

Meanwhile an average of 100 people are killed each week mining coal.