Seashalia via Pixabay

Concerns about blood lead levels in the South Australian town of Port Pirie are at an all-time high after recent research suggested lead levels in two-year-olds averaged 5.7 millilitres per decilitre, 0.7 above the recommended limit.

It’s a battle between public health and economic security, as zinc and lead manufacturer Nyrstar is the town’s biggest employer.

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