ProjectProponent: Cleanaway Co Pty LtdProposal description: The proposal is for the installation and operation of a Heated Overland Thermal Treatment (‘Hottpad’) system at the Karratha liquid waste treatment plant and waste transfer station located approximately 6 kilometres south-west of Karratha. The Hottpad is intended to treat hydrocarbon-impacted ‘sludge’ from oil and gas operations in the region, that are currently transported interstate for thermal treatment. The proposal has a project life of 10 years and involves a self-sustaining smouldering combustion process to thermally degrade hydrocarbon contaminants. The system comprises: Two containerised Hottpad units An exhaust management system, including a mercury recovery unit, odour control and stack Continuous emissions monitoring system Region: PilbaraReferred under EP Act: s38Industry sector: Waste managementLast updated: January 9, 2023Current Status: Decision on whether to assess has been published 1. ReferralComment on this referral: Heated Overland Thermal Treatment Pad (‘Hottpad’) System at the Karratha Liquid Waste Treatment Plant and Waste Transfer StatioComment period: Tuesday, 1 November, 2022 to Monday, 7 November, 2022Referral documentation: Referral Form Supporting Document Proposal Content Document 2. Decision on whether to assess this proposalChair's Determination: Referral examined, preliminary investigations and inquiries conducted. Proposal not to be assessed under Part IV of the EP Act. No advice given (Appealable)Extract of determination: Heated Overland Thermal Treatment Pad (‘Hottpad’) System at the Karratha Liquid Waste Treatment Plant and Waste Transfer StationDate published: Monday, 9 January, 2023