cross-posted from: https://quokk.au/c/australia/p/593822/fatberg-the-size-of-four-buses-likely-birthed-poo-balls-that-closed-sydney-beaches-and-it-ca

Secret report suggests fats, oils and grease accumulate in ‘inaccessible dead zone’ at Malabar plant, then dislodge when pumping pressure ‘rapidly increases’