Communication Regarding Regia MSS Environment Plan.

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NOPSEMA and the Australian Antarctic Division exchanged communications regarding scientific advice on marine mammal detection strategy for the Regia MSS (marine seismic survey) project. The Australian Antarctic Division finalized acoustic monitoring advice addressing the efficacy of passive sonar systems for marine mammal detection, with revisions focusing on metrics relating to the passive sonar equation. NOPSEMA's Environment Specialist confirmed receipt and indicated the scientific advice was useful in supporting their assessment conclusions for the offshore energy project. The correspondence demonstrates inter-agency coordination between the offshore petroleum regulator and scientific advisors in developing environmental management approaches for seismic survey operations.