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dc.contributor.authorRathore, Chayanika
dc.contributor.authorSaha, Mahua
dc.contributor.authorDeBoer, J.
dc.contributor.authorDesai, Aniket
dc.contributor.authorGupta, Priyansha
dc.contributor.authorNaik, Akshata
dc.contributor.authorSubha, H.Y.
dc.date.accessioned2024-03-31
dc.date.accessioned2024-09-12T10:40:01Z
dc.date.available2024-01-06
dc.date.available2024-09-12T10:40:01Z
dc.date.issued2024
dc.identifier.citationScience of The Total Environment, vol.913; 2024; Article no: 169621
dc.identifier.issn0048-9697
dc.identifier.otherhttps://www.sciencedirect.com/science/article/abs/pii/S0048969723082517
dc.identifier.urihttps://doi.org/10.1016/J.SCITOTENV.2023.169621
dc.identifier.urihttp://drs.nio.res.in/drs/handle/2264/9223
dc.descriptionIF(JCR2023) = 9.8
dc.description.abstractOwing to their pervasive dispersion in the environment and their potential ramifications on both marine life and human health, microplastics (MPs) are of increasing concern. However, there is still a lack of research on the release of MPs from different land-based pathways like creeks, drainage outfalls, and conduits into coastal water systems in India. This study represents comprehensive research into the attribution of MPs in the estuarine system, specifically those emanating from wastewater sources in Panjim City, Goa, India. Urban wastewater collected from different locations in and around Panjim City exhibited values ranging from 79 � 21 to 338 � 7 MPs/L, with a prevalence of fibrous and black MP particles. The size range of the MPs at all sampling sites was 100-300 ?m. Analysis by ?-FTIR revealed 35 distinct polymeric compositions in wastewater, with a dominance of polyacrylamide (PAM), polyvinyl chloride (PVC), and polyamide (PA). Additionally, primary and secondary MPs were studied to unravel the contributions from land-based sources. This included the quantification of MPs in ten samples from personal care products (PCPs) and twenty samples from washing machine effluents (WMEs). MPs in PCPs ranged from 1.8 to 1554 MPs/g. Microfibres and fragments were predominant in WMEs (3986 to 4898 MPs/L). This study suggests a strong relation between polymers found in wastewater effluent and those present in PCPs and WMEs. The identified polymers showed high polymer hazard indices (IV and V), posing a significant threat to the ecosystem and a potential risk to human health.
dc.languageen
dc.publisherElsevier
dc.relation.isreferencedbySCI
dc.rightsOnly the author version of the copright reserved papers uploaded. Contact drs@nio.org for any complaints regarding copyright violations
dc.titleUnraveling the land-based discharge of microplastics from sewers to oceans - A comprehensive study and risk assessment in wastewaters of Goa, India
dc.typeJournal Article
dc.affiliation.authorCSIR-National Institute of Oceanography, Dona Paula, Goa, India


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