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Rio Tinto details dust‑management steps after spike in Copperton monitoring data
Summary
Rio Tinto told the Copperton Town Council it uses water trucks, surfactant and dust spotters to control particulate matter and that a recent PM spike correlated with high winds and a sprinkler failure; the company provided a contact for complaints and plans community open days at its visitor center.
Sean Daley of Rio Tinto presented the company’s dust‑management strategy to the Copperton Town Council on May 21, saying the program relies on coordinated water‑truck operations, a supply plan for surfactant to harden road surfaces, and dedicated dust spotters in high‑priority areas.
Daley said the program has three main elements: operational water trucks that follow prioritized traffic routes, a plan to ensure surfactant is available at fill stands, and spotters who radio production control to deploy water trucks to identified dust sites. "We strategically placed the water stands where those water…
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