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AAP
AAP
Environment
Jack Gramenz

Fatberg-type waste likely source of mystery beach balls

Fatty acids, petroleum hydrocarbons, hair and other substances were found in the washed-up balls. (Steven Markham/AAP PHOTOS)

Testing has revealed that hundreds of materials from household fats to human hair made up the thousands of mysterious black balls that washed up on some of Sydney's most popular beaches.

But where they came from remains a mystery.

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