Polycyclic aromatic hydrocarbons, phthalates, parabens and other environmental contaminants in dust and suspended particulates of Algiers, Algeria
2018
Rabhi, Lyes | Lemou, Abdelkader | Cecinato, Angelo | Balducci, Catia | Cherifi, Nabila | Ladji, Riad | Yassaa, Noureddine
Chemicals such as polycyclic aromatic hydrocarbons (PAHs), phthalateesters, parabens, siloxanes and squalene, all of them classified as endocrine-disrupting chemicals (EDCs), have been reported to occur in all environmental compartments. The effects of EDCs on development, reproduction, growth, metabolism and obesity constitute a real public health issue. A list of EDCs (> 40 compounds) were characterised in total suspended particulates (outdoor soot: 92 samples) collected in July–September 2016 in an Algiers urban area; besides, settled indoor dusts (36 samples) were collected between November and December 2016 in schools, homes, manufacture and hospital of the same province. The analytical procedure consisted of ultrasonic bath extraction, column chromatography separation into fractions of different polarity and gas chromatographic-mass spectrometric processing. The total loads of phthalates ranging from 6.0 to 347 ng/m² (median, 26 ng/m²) were determined in indoor dust and 4.6 to 11.6 ng/m³ (median, 7.9 ng/m³) in outdoor soot; meanwhile, PAHs ranged from 12.1 to 108 ng/m² (median, 36 ng/m²) in indoor dust and ranged from 5.6 to 7.7 ng/m³ (median 5.7 ng/m³) in outdoor soot. Finally, illicit substances such as cocaine, cannabinol and Δ⁹-tetrahydrocannabinol were found to range from 0.5 to 11 pg/m³, 4.6 to 9.2 pg/m³ and 11 to 81 pg/m³, respectively, in outdoor soot.
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