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Geomorphological Heritage in Viñales National Park (Aspiring UNESCO Geopark): Geomatic Tools Applied to Geotourism in Pinar del Río, Cuba
No full textOccurrence and size distribution study of microplastics in household water from different cities in continental Spain and the Canary Islands
No full textThe purpose of this study was to investigate the occurrence of microplastics (MPs) in drinking water in Spain by
comparing tap water from different locations using common sampling and identification procedures. We sampled
tap water from 24 points in 8 different locations from continental Spain and the Canary Islands by means of 25
μm opening size steel filters coupled to household connections. All particles were measured and spectroscopically
characterized including not only MPs but also particles consisting of natural materials with evidence of industrial
processing, such as dyed natural fibres, referred insofar as artificial particles (APs). The average concentration of
MPs was 12.5 ± 4.9 MPs/m3 and that of anthropogenic particles 32.2 ± 12.5 APs/m3. The main synthetic
polymers detected were polyamide, polyester, and polypropylene, with lower counts of other polymers including
the biopolymer poly(lactic acid). Particle size and mass distributions were parameterized by means of power law
distributions, which allowed performing estimations of the concentration of smaller particles provided the same
scaling parameter of the power law applies. The calculated total mass concentration of the identified MPs was
45.5 ng/L. The observed size distribution of MPs allowed an estimation for the concentration of nanoplastics (<
1 μm) well below the ng/L range; higher concentrations are not consistent with scale invariant fractal frag-
mentation. Our findings showed that MPs in the drinking water sampled in this work do not represent a sig-
nificant way of exposure to MPs and would probably pose a negligible risk for human healt
Environmental exposure and ecotoxicological properties of a new generation fluorosurfactant (cC6O4): A comparison with selected legacy perfluoroalkyl acids (PFAA)
No full textLa regulación económica de servicios de agua: de la universalidad a la seguridad hídrica a largo plazo y la adaptación al cambio climático
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SCHEER (Scientific Committee on Health, Environmental and Emerging Risks), Final Opinion on Draft Environmental Quality Standards for Priority Substances under the Water Framework Directive" - PAHs, 9 March 2023
No full textSCHEER (Scientific Committee on Health, Environmental and Emerging Risks), SCHEER Position Paper on “Draft Environmental Quality Standards for Priority Substances under the Water Framework Directive", 3 April 2023
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