Ecotoxicological effects of decommissioning offshore petroleum infrastructure: a systematic review

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dc.contributor.authorMacIntosh, Aen_AU
dc.contributor.authorDafforn, KAen_AU
dc.contributor.authorPenrose, Ben_AU
dc.contributor.authorChariton, AAen_AU
dc.contributor.authorCresswell, Ten_AU
dc.date.accessioned2021-10-20T21:47:48Zen_AU
dc.date.available2021-10-20T21:47:48Zen_AU
dc.date.issued2021-05-07en_AU
dc.date.statistics2021-10-05en_AU
dc.descriptionThis is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-No Derivatives License which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way.en_AU
dc.description.abstractSuccessful decommissioning of subsea oil and gas infrastructure requires a safe and effective approach to assess and manage waste products. These products, often present as scale on internals of pipelines, include naturally occurring radioactive materials (NORM) and trace metals. Understanding the potential effects of these contaminants on marine fauna is crucial to managing global decommissioning. This review is composed of two aspects: 1) a systematic review was conducted to synthesize literature on all contaminants associated with decommissioned offshore structures and the effects of NORM contaminants on marine organisms; 2) a critical review of current environmental regulations for decommissioning and characterization of petroleum scale and NORM components. Studies defining the chemical and radiological contaminants associated with decommissioned structures were very limited. The main source of contaminants was identified from offshore platforms, with none from subsea structures. Only three studies measured variable chemical effects of radium to organisms from scale materials in subsea oil and gas infrastructure. No studies measured effects on organisms from other NORM, such as lead-210 and polonium-210. Currently, there are no international regulations on subsea pipeline closure, with NORM being underreported and not addressed in environmental impact assessments. This review highlights research gaps from environmental monitoring and characterization of NORM associated with decommissioned structures. Key recommendations for future research include characterizing NORM scale and assessing effects of scale to marine organisms through direct organism exposure experiments. This review emphasizes the need to incorporate ecotoxicology into environmental risk assessment for offshore petroleum decommissioning. © 2021 The Author(s). Published with license by Taylor & Francis Group, LLC.en_AU
dc.identifier.citationMacIntosh, A., Dafforn, K., Penrose, B., Chariton, A., & Cresswell, T. (2021). Ecotoxicological effects of decommissioning offshore petroleum infrastructure: a systematic review. Critical Reviews in Environmental Science and Technology, 51(1),1-39. doi:10.1080/10643389.2021.1917949en_AU
dc.identifier.issn1547-6537en_AU
dc.identifier.issue1en_AU
dc.identifier.journaltitleCritical Reviews in Environmental Science and Technologyen_AU
dc.identifier.pagination14246en_AU
dc.identifier.urihttps://doi.org/10.1080/10643389.2021.1917949en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12012en_AU
dc.identifier.volume51en_AU
dc.language.isoenen_AU
dc.publisherTaylor & Francisen_AU
dc.subjectPetroleumen_AU
dc.subjectOilsen_AU
dc.subjectGasesen_AU
dc.subjectOffshore platformsen_AU
dc.subjectDecommissioningen_AU
dc.subjectRadioecologyen_AU
dc.subjectNaturally occurring radioactive materialsen_AU
dc.titleEcotoxicological effects of decommissioning offshore petroleum infrastructure: a systematic reviewen_AU
dc.typeJournal Articleen_AU
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