Australia sues 3M over PFAS at 28 defense bases

Summary

Australia sued 3M for more than AU$2 billion over PFAS contamination from firefighting foam at 28 defense bases.

Why this matters

The case is Australia’s largest compensation claim and centers on costs tied to long-term contamination at military sites. It also adds to scrutiny of PFAS cleanup responsibilities and corporate liability.

Australia said Thursday it sued U.S. conglomerate 3M in the Federal Court of Australia for more than 2 billion Australian dollars ($1.4 billion) over contamination from firefighting foam at 28 defense bases.

The claim, the government’s largest compensation case, involves per- and polyfluoroalkyl substances, or PFAS, a group of human-made chemicals often called “forever chemicals” because they do not break down naturally.

The lawsuit named Minnesota-based 3M Co. and its subsidiary 3M Australia.

3M said it would contest the claim.

“3M has never manufactured PFAS in Australia and ceased sales of the products at issue in Australia around two decades ago,” the company said in a statement. “Despite this, the (Australian) Department of Defense continued to use PFAS-containing firefighting foams for nearly two decades longer.”

PFAS has been used since the 1950s in household and industrial products that resist heat, stains, grease, and water. Firefighting foam containing PFAS was used to fight fuel fires.

Australia’s Defense Department warned residents near Richmond Air Base, outside Sydney, in 2018 to reduce consumption of locally produced fish and eggs after PFAS was found in nearby groundwater.

Assistant Defense Minister Peter Khalil said the department had already spent AU$1.3 billion ($920 million) managing and mitigating the foam’s environmental effects. He said the department had removed 200,000 metric tons (220,000 U.S. tons) of contaminated soil from bases and treated 13 billion liters (3.4 billion gallons) of contaminated water.

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