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4. Mycotoxins

Author

Rubio-Armendáriz, Carmen, primary, Revert, Consuelo, additional, Paz-Montelongo, Soraya, additional, Gutiérrez-Fernández, Ángel J., additional, Luis-González, Gara, additional, and Hardisson, Arturo, additional

Published
2022
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28. Toxic Metals (Al, Cd, Pb) and Trace Element (B, Ba, Co, Cu, Cr, Fe, Li, Mn, Mo, Ni, Sr, V, Zn) Levels in Sarpa Salpa from the North-Eastern Atlantic Ocean Region

Author

Gutiérrez-Ravelo, Alberto, primary, Gutiérrez, Ángel J., additional, Paz, Soraya, additional, Carrascosa-Iruzubieta, Conrado, additional, González-Weller, Dailos, additional, Caballero, José M., additional, Revert, Consuelo, additional, Rubio, Carmen, additional, and Hardisson, Arturo, additional

Published
2020
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29. Contenido de metales pesados en lodos de depuradora: estrategia de gestión para una isla oceánica

Author

Hernández Sánchez, Cintia, Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Gutiérrez, Ángel, Galindo, Juan Manuel, González-Weller, Dailos, Rubio, Carmen, Revert, Consuelo, Burgos, Antonio, Hardisson, Arturo, and Consejo Insular de Aguas de Tenerife

Subjects
metais pesados, ilha oceânica, lamas de águas residuais, gestão de resíduos, sewage-sludge, isla oceánica, metales pesados, lodos de depuradora, gestión de residuos, oceanic island, heavy metals, waste-management, Medicine
Abstract

In recent years, the generation of sewage sludge has increased worldwide. Correct processing and management of this waste concerns all countries. This work presents a study of metal contents, i.e. of Cd, Pb, Zn, Cr, Cu, and Ni, in sewage sludge from a wastewater treatment plant in the northeastern region of the island of Tenerife. The study aimed at examining the sludge for potential suitability as a farmland fertilizer. Detected metal levels for Pb, Zn, Cr, Cu, and Ni were extremely low (26.44, 544.01, 24.10, 37.05, and 8.04 mg/kg dw [dry weight], respectively). Cadmium levels were under quanti cation limit. Season-dependent, statistically significant differences (p < 0.05) in metal concentrations in sewage sludge were observed for Cu, Ni, Cr, and Pb. Consequently, the application of sewage sludge to fertilize nutrient-deficient agricultural soils and soils degraded by human activity represents a fast and straightforward solution to the lack of such resources, particularly in an oceanic island. Durante los últimos años, la generación de lodos de depuradora ha aumentado en todo el mundo. El tratamiento y la gestión correctos de estos residuos son una cuestión que afecta a todos los países. Este trabajo presenta un estudio del contenido de metales, i.e. Cd, Pb, Zn, Cr, Cu y Ni, de los lodos de depuradora de una planta de tratamiento de aguas residuales situada en la zona noreste de la isla de Tenerife. El estudio tuvo por objeto estudiar los lodos para ver su posible idoneidad como fertilizante agrícola. Los niveles de metal detectados para Pb, Zn, Cr, Cu y Ni fueron extremadamente bajos (26,44, 544,01, 24,10, 37,05 y 8,04 mg/kg [peso seco], respectivamente). Los niveles de cadmio quedaron por debajo del límite de determinación. Se observaron diferencias dependientes de las estaciones que son estadísticamente significativas (p < 0,05) en las concentraciones de Cu, Ni, Cr y Pb. Por consiguiente, el uso de lodos de depuradora para fertilizar suelos agrícolas que son pobres en nutrientes o que han sido degradados por la actividad humana es una solución rápida y sencilla a la escasez de tales recursos, particularmente en islas oceánicas. Nos últimos anos, a produção de lamas de águas residuais aumentou em todo o mundo. O tratamento e a gestão corretos deste resíduo são uma preocupação de todos os países. Este trabalho apresenta um estudo sobre os teores de metais, ou seja, Cd, Pb, Zn, Cr, Cu e Ni, em lamas duma estação de tratamento de águas residuais no nordeste da ilha de Tenerife. O estudo teve como objetivo analisar as lamas quanto à sua potencial adequação como fertilizante de terras agrícolas. Os níveis de metais detetados para Pb, Zn, Cr, Cu e Ni foram extremamente baixos (26,44, 544,01, 24,10, 37,05 e 8,04 mg/kg dw [peso seco], respetivamente). Os níveis de cádmio estavam abaixo do limite de quantificação. Foram observadas diferenças, estatisticamente significativas (p < 0,05), dependentes da estação do ano nas concentrações de Cu, Ni, Cr e Pb. Consequentemente, a aplicação de lamas para fertilizar agriculturas, solos deficientes em nutrientes e solos degradados pela atividade humana representa uma solução rápida e direta para a insuficiência de tais recursos, particularmente numa ilha oceânica.

Published
2017

32. Mycotoxins

Author

Rubio-Armendáriz, Carmen, Revert, Consuelo, Paz-Montelongo, Soraya, Gutiérrez-Fernández, Ángel J., Luis-González, Gara, and Hardisson, Arturo

Published
2015
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36. Heavy Metal Content in Sewage Sludge: A Management Strategy for an Ocean Island

Author

Consejo Insular de Aguas de Tenerife, Hernández Sánchez, Cintia; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Gutiérrez, Ángel, Galindo, Juan Manuel, González-Weller, Dailos, Rubio, Carmen, Revert, Consuelo, Burgos, Antonio, Hardisson, Arturo, Consejo Insular de Aguas de Tenerife, Hernández Sánchez, Cintia; Departamento de Obstetricia, Ginecología, Pediatría, Medicina Preventiva y Salud Pública, Toxicología, Medicina Legal y Forense y Parasitología, Gutiérrez, Ángel, Galindo, Juan Manuel, González-Weller, Dailos, Rubio, Carmen, Revert, Consuelo, Burgos, Antonio, and Hardisson, Arturo

Abstract

In recent years, the generation of sewage sludge has increased worldwide. Correct processing and management of this waste concerns all countries. This work presents a study of metal contents, i.e. of Cd, Pb, Zn, Cr, Cu, and Ni, in sewage sludge from a wastewater treatment plant in the northeastern region of the island of Tenerife. The study aimed at examining the sludge for potential suitability as a farmland fertilizer. Detected metal levels for Pb, Zn, Cr, Cu, and Ni were extremely low (26.44, 544.01, 24.10, 37.05, and 8.04 mg/kg dw [dry weight], respectively). Cadmium levels were under quanti cation limit. Season-dependent, statistically significant differences (p < 0.05) in metal concentrations in sewage sludge were observed for Cu, Ni, Cr, and Pb. Consequently, the application of sewage sludge to fertilize nutrient-deficient agricultural soils and soils degraded by human activity represents a fast and straightforward solution to the lack of such resources, particularly in an oceanic island., Durante los últimos años, la generación de lodos de depuradora ha aumentado en todo el mundo. El tratamiento y la gestión correctos de estos residuos son una cuestión que afecta a todos los países. Este trabajo presenta un estudio del contenido de metales, i.e. Cd, Pb, Zn, Cr, Cu y Ni, de los lodos de depuradora de una planta de tratamiento de aguas residuales situada en la zona noreste de la isla de Tenerife. El estudio tuvo por objeto estudiar los lodos para ver su posible idoneidad como fertilizante agrícola. Los niveles de metal detectados para Pb, Zn, Cr, Cu y Ni fueron extremadamente bajos (26,44, 544,01, 24,10, 37,05 y 8,04 mg/kg [peso seco], respectivamente). Los niveles de cadmio quedaron por debajo del límite de determinación. Se observaron diferencias dependientes de las estaciones que son estadísticamente significativas (p < 0,05) en las concentraciones de Cu, Ni, Cr y Pb. Por consiguiente, el uso de lodos de depuradora para fertilizar suelos agrícolas que son pobres en nutrientes o que han sido degradados por la actividad humana es una solución rápida y sencilla a la escasez de tales recursos, particularmente en islas oceánicas., Nos últimos anos, a produção de lamas de águas residuais aumentou em todo o mundo. O tratamento e a gestão corretos deste resíduo são uma preocupação de todos os países. Este trabalho apresenta um estudo sobre os teores de metais, ou seja, Cd, Pb, Zn, Cr, Cu e Ni, em lamas duma estação de tratamento de águas residuais no nordeste da ilha de Tenerife. O estudo teve como objetivo analisar as lamas quanto à sua potencial adequação como fertilizante de terras agrícolas. Os níveis de metais detetados para Pb, Zn, Cr, Cu e Ni foram extremamente baixos (26,44, 544,01, 24,10, 37,05 e 8,04 mg/kg dw [peso seco], respetivamente). Os níveis de cádmio estavam abaixo do limite de quantificação. Foram observadas diferenças, estatisticamente significativas (p < 0,05), dependentes da estação do ano nas concentrações de Cu, Ni, Cr e Pb. Consequentemente, a aplicação de lamas para fertilizar agriculturas, solos deficientes em nutrientes e solos degradados pela atividade humana representa uma solução rápida e direta para a insuficiência de tais recursos, particularmente numa ilha oceânica.

Published
2017

37. Heavy Metal Content in Sewage Sludge: A Management Strategy for an Ocean Island

Author

Hernández Sánchez, Cintia, Gutiérrez, Ángel, Galindo, Juan Manuel, González-Weller, Dailos, Rubio, Carmen, Revert, Consuelo, Burgos, Antonio, Hardisson, Arturo, Hernández Sánchez, Cintia, Gutiérrez, Ángel, Galindo, Juan Manuel, González-Weller, Dailos, Rubio, Carmen, Revert, Consuelo, Burgos, Antonio, and Hardisson, Arturo

Abstract

In recent years, the generation of sewage sludge has increased worldwide. Correct processing and management of this waste concerns all countries. This work presents a study of metal contents, i.e. of Cd, Pb, Zn, Cr, Cu, and Ni, in sewage sludge from a wastewater treatment plant in the northeastern region of the island of Tenerife. The study aimed at examining the sludge for potential suitability as a farmland fertilizer. Detected metal levels for Pb, Zn, Cr, Cu, and Ni were extremely low (26.44, 544.01, 24.10, 37.05, and 8.04 mg/kg dw [dry weight], respectively). Cadmium levels were under quanti cation limit. Season-dependent, statistically significant differences (p < 0.05) in metal concentrations in sewage sludge were observed for Cu, Ni, Cr, and Pb. Consequently, the application of sewage sludge to fertilize nutrient-deficient agricultural soils and soils degraded by human activity represents a fast and straightforward solution to the lack of such resources, particularly in an oceanic island., Durante los últimos años, la generación de lodos de depuradora ha aumentado en todo el mundo. El tratamiento y la gestión correctos de estos residuos son una cuestión que afecta a todos los países. Este trabajo presenta un estudio del contenido de metales, i.e. Cd, Pb, Zn, Cr, Cu y Ni, de los lodos de depuradora de una planta de tratamiento de aguas residuales situada en la zona noreste de la isla de Tenerife. El estudio tuvo por objeto estudiar los lodos para ver su posible idoneidad como fertilizante agrícola. Los niveles de metal detectados para Pb, Zn, Cr, Cu y Ni fueron extremadamente bajos (26,44, 544,01, 24,10, 37,05 y 8,04 mg/kg [peso seco], respectivamente). Los niveles de cadmio quedaron por debajo del límite de determinación. Se observaron diferencias dependientes de las estaciones que son estadísticamente significativas (p < 0,05) en las concentraciones de Cu, Ni, Cr y Pb. Por consiguiente, el uso de lodos de depuradora para fertilizar suelos agrícolas que son pobres en nutrientes o que han sido degradados por la actividad humana es una solución rápida y sencilla a la escasez de tales recursos, particularmente en islas oceánicas., Nos últimos anos, a produção de lamas de águas residuais aumentou em todo o mundo. O tratamento e a gestão corretos deste resíduo são uma preocupação de todos os países. Este trabalho apresenta um estudo sobre os teores de metais, ou seja, Cd, Pb, Zn, Cr, Cu e Ni, em lamas duma estação de tratamento de águas residuais no nordeste da ilha de Tenerife. O estudo teve como objetivo analisar as lamas quanto à sua potencial adequação como fertilizante de terras agrícolas. Os níveis de metais detetados para Pb, Zn, Cr, Cu e Ni foram extremamente baixos (26,44, 544,01, 24,10, 37,05 e 8,04 mg/kg dw [peso seco], respetivamente). Os níveis de cádmio estavam abaixo do limite de quantificação. Foram observadas diferenças, estatisticamente significativas (p < 0,05), dependentes da estação do ano nas concentrações de Cu, Ni, Cr e Pb. Consequentemente, a aplicação de lamas para fertilizar agriculturas, solos deficientes em nutrientes e solos degradados pela atividade humana representa uma solução rápida e direta para a insuficiência de tais recursos, particularmente numa ilha oceânica.

Published
2017

43. Metals in Diplodus sargus cadenati and Sparisoma cretense-a risk assessment for consumers.

Author

Afonso, Aridani, Gutiérrez, Ángel J., Lozano, Gonzalo, González-Weller, Dailos, Lozano-Bilbao, Enrique, Rubio, Carmen, Caballero, José M., Revert, Consuelo, and Hardisson, Arturo

Subjects
EFFECT of heavy metals on fishes, HEAVY metal toxicology, POLLUTION, RISK assessment, CONSUMERS
Abstract

The increases in urbanization, demography and industrial activity, along with growing human needs which exploit the resources of the planet, have exponentially exacerbated pollution. In particular, the discharge of heavy metals into the marine ecosystem is a problem of global magnitude, as this may damage the diversity of marine species and ecosystems because of their toxicity, long persistence and bioaccumulation. Consequently, it is necessary to carry out an assessment of the risk of human exposure from the consumption of marine species potentially exposed to this type of pollutants. In the present study, the levels of toxic heavy metals (Cd, Pb and Al) as well as trace and essential metals (B, Ba, Co, Cu, Cr, Fe, Li, Mn, Mo, Ni, Sr, V and Zn) and macronutrients (Ca, K, Mg, Na) have been quantified in two species of fish for human consumption. In order to do this, a total of 80 muscle samples and 80 liver samples, belonging to two species of osteichthyes (bony fish), Diplodus sargus cadenati and Sparisoma cretense, were analyzed. The specimens studied were captured on the north coast of Gran Canaria (Canary Islands) using recreational fishing techniques. As they caught from the shore, the data obtained respond to the need to assess the toxic levels in two representative species of artisanal and recreational fishing in the area. The risk assessment indicated that these two fish species are safe for the average consumer; however, if the livers are frequently consumed, there may be potential risks because they exceed the Admissible Daily Intakes for Pb and Cd. [ABSTRACT FROM AUTHOR]

Published
2018
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44. Potentiometric Determination of Fluoride Concentration in Beers.

Author

Jaudenes, Juan Ramón, Hardisson, Arturo, Paz, Soraya, Rubio, Carmen, Gutiérrez, Angel José, Burgos, Antonio, and Revert, Consuelo

Abstract

Beer is a widely consumed drink throughout the world, and because its manufacture involves the use of water, beer can be, in some cases, a source of fluorides. For this reason, the objective of this study was to determine the concentration of fluorides in 50 samples of beers from different sources sold in two different types of container (aluminum can and glass bottle). The possible significant differences between the different types of packaging and the intake of fluoride from the consumption of these beers were evaluated. The concentration of fluoride in beers has been determined using the potentiometric method of fluoride determination by standard addition. The concentration of fluoride ranged between 0.06 and 1.77 mg/L. In general, the concentration was below 1 mg/L, except for three beer samples from Ireland and the USA, whose concentration was over 1.5 mg/L. No significant differences were found between the types of packaging. The contribution of fluoride to the diet from beer consumption is not high (<27%); however, it is necessary to warn consumers whenever they are in areas of high concentrations of fluoride in the water supply. [ABSTRACT FROM AUTHOR]

Published
2018
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46. Heavy Metals in Black Crabs in the Atlantic Coast (Tenerife, Spain) - Human Risk Assessment.

Author

Gutiérrez, Angel J., Lozano, Gonzalo, Rubio, Carmen, Martín, Verónica, Hardisson, Arturo, and Revert, Consuelo

Subjects
HEAVY metals, CRUSTACEA, LEAD in the body, CADMIUM in the body, HEALTH risk assessment, ATOMIC absorption spectroscopy
Abstract

Crustaceans are considered to be a staple ingredient in a healthy balanced diet. This work determines the cadmium (Cd) and lead (Pb) content in the soft tissue (muscle) and the exoskeleton of 60 samples of black crabs from different areas of the coast of Tenerife (Canary Islands, Spain) by graphite furnace atomic absorption spectrophotometry. Average concentrations of Cd found in the soft tissue and the exoskeleton were 1.148 and 1.089 mg/kg, respectively. In the case of Pb, these levels were 4.736 and 13.92 mg/kg. People consume muscle tissue more than any other tissue. An average weekly intake of 10.36 g/person per week of black crab muscle provides an estimated weekly intake of 11.89 μg/week of Cd and its contribution to the tolerable weekly intake (TWI) is 6.79%. In the case of Pb, the estimated daily intake is 1.13 μg/week and its contribution to the provisional tolerable weekly intake (PTWI) is 0.06%. The values of the estimated weekly intake of Cd and Pb were lower than the TWI. In conclusion, there is no toxicological risk from the weekly consumption of crabs if we use the estimated daily intake of crab data published by the Spanish Food Safety Agency. However, both metals exceed the maximum levels permitted by the European Regulation. [ABSTRACT FROM AUTHOR]

Published
2017
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