Persistent organic pollutants (POPs) and personal care products (PCPs) in the surface sediments of a large tropical bay (Todos os Santos Bay, Brazil)

Author(s)

Sotao Neto, Basilio M. T. ; Combi, Tatiane ; Taniguchi, Satie ; Albergaria-Barbosa, Ana C. R. ; Ramos, Raissa B. ; Lopes Figueira, Rubens Cesar ; Montone, Rosalinda C.

• Document type: Journal article
• Source: Marine Pollution Bulletin; v. 161, p. 8-pg., 2020-12-01.

Abstract

The occurrence and spatial distribution of persistent organic pollutants (POPs) and personal care products (PCPs) were investigated in surface sediments of Todos os Santos Bay. Samples were Soxhlet-extracted and analyzed by gas chromatography coupled with tandem mass spectrometry. Quantification limits (QL) ranged from 0.0025 ng g(-1) for POPs to 0.25 ng g(-1) for PCPs. Of the POPs studied, only PCBs and DDTs were detectable, with concentrations ranging from <QL to 4.66 ng g(-1), with increased concentrations near urban and industrial areas. PCPs ranged from <QL to 27.5 ng g(-1) and presented a homogeneous spatial distribution, probably related to the continuous inputs of these compounds from diffuse sources. Mean contaminant inventories ranged from 0.33 +/- 0.23 ng cm(-2) for DDTs to 8.3 +/- 8.4 ng cm(-2) for fragrances. To the best of our knowledge, this is the first study on the occurrence of UV filters in sediments from Brazilian coastal environments. (AU)

• FAPESP's process: 16/21368-4 - Emerging contaminants in the South and Southeastern coast of Brazil: implementation of the analytical method and environmental distribution
• Grantee: Tatiane Combi
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• FAPESP's process: 16/18348-1 - Multi-User Equipment approved in grant 2015/17763-2: triple quadrupole gas chromatograph-mass spectrometer (GC/MS/MS)
• Grantee: Márcia Caruso Bícego
• Support Opportunities: Multi-user Equipment Program