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  1. Bulletin of Environmental Contamination and Toxicology
  2. Bulletin of Environmental Contamination and Toxicology : Volume 87
  3. Bulletin of Environmental Contamination and Toxicology : Volume 87, Issue 3, September 2011
  4. Air Mercury Contamination in the Gold Mining Town of Portovelo, Ecuador
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Bulletin of Environmental Contamination and Toxicology : Volume 97
Bulletin of Environmental Contamination and Toxicology : Volume 96
Bulletin of Environmental Contamination and Toxicology : Volume 95
Bulletin of Environmental Contamination and Toxicology : Volume 94
Bulletin of Environmental Contamination and Toxicology : Volume 93
Bulletin of Environmental Contamination and Toxicology : Volume 92
Bulletin of Environmental Contamination and Toxicology : Volume 91
Bulletin of Environmental Contamination and Toxicology : Volume 90
Bulletin of Environmental Contamination and Toxicology : Volume 89
Bulletin of Environmental Contamination and Toxicology : Volume 88
Bulletin of Environmental Contamination and Toxicology : Volume 87
Bulletin of Environmental Contamination and Toxicology : Volume 87, Issue 6, December 2011
Bulletin of Environmental Contamination and Toxicology : Volume 87, Issue 5, November 2011
Bulletin of Environmental Contamination and Toxicology : Volume 87, Issue 4, October 2011
Bulletin of Environmental Contamination and Toxicology : Volume 87, Issue 3, September 2011
Differential Acute Toxicity of Tetrachlorobenzene Isomers to Oligochaetes in Soil and Water: Application of the Critical Body Residue Concept
Evaluation of Estrogenic Activity in Surface Water and Municipal Wastewater in Shanghai, China
Genes are Differentially Expressed at Transcriptional Level of Neocaridina denticulata Following Short-Term Exposure to Nonylphenol
Time- and Dose-Dependent Induction of HSP70 in Lemna minor Exposed to Different Environmental Stressors
Ultraviolet Radiation Increases Sensitivity to Pesticides: Synergistic Effects on Population Growth Rate of Daphnia magna at Low Concentrations
Lead Poisoning Among Arab American and African American Children in the Detroit Metropolitan Area, Michigan
Fluoride Contamination and Fluorosis in Rural Community in the Vicinity of a Phosphate Fertilizer Factory in India
Air Mercury Contamination in the Gold Mining Town of Portovelo, Ecuador
Removal of Pb (II) by Immobilized and Free Filaments of Marine Oscillatoria sp. NTMS01 and Phormidium sp. NTMS02
Energy Dispersive X-ray Fluorescence Analysis of Mine Waters from the Migori Gold Mining Belt in Southern Nyanza, Kenya
Investigation of Zinc, Copper, Lead and Cadmium Accumulation in the Tissues of Sander lucioperca (L., 1758) Living in Hirfanlı Dam Lake, Turkey
Assessment of the Metal Bioaccumulation in Three Species of Freshwater Bivalves
Cadmium, Copper, Lead and Zinc in Cultured Oysters Under two Contrasting Climatic Conditions in Coastal Lagoons from SE Gulf of California, Mexico
Determination of Mercury, Cadmium, Lead, Zinc, Selenium and Iron by ICP-OES in Mushroom Samples from Around Thermal Power Plant in Muğla, Turkey
Comparison of Metal Concentrations in Tissues of Blue Crab, Callinectes sapidus from Mediterranean Lagoons
Comparison of Nitrofen Uptake via Water and Food and its Distribution in Tissue of Common Carp, Cyprinus carpio L.
Effect of Light and pH on Persistence of Flubendiamide
Degradation p-Chloronitrobenzene in Ozone-loaded System with Perfluorodecalin Solvent
Determination of Multi-residue Insecticides of Organochlorine, Organophosphorus, and Pyrethroids in Wheat
Changes of Concentrations, Shipment Amounts and Ecological Risk of Pesticides in River Water Flowing into Lake Biwa
Groundwater from Infiltration Galleries Used for Small Public Water Supply Systems: Contamination with Pesticides and Endocrine Disruptors
A Comparative Study on Toxicity Identification of Industrial Effluents Using Daphnia magna
Effects of Carbaryl and 1-Naphthol on Soil Population of Cyanobacteria and Microalgae and Select Cultures of Diazotrophic Cyanobacteria
PM 2.5 and PAH Concentrations in Urban Atmosphere of Tiruchirappalli, India
Determination of Black Carbon in Fine Particles Using a Semi-Continuous Method at Two Sites in the City of Guadalajara, Mexico, During 2007
Fate of Nitrogen-Fixing Bacteria in Crude Oil Contaminated Wetland Ultisol
Bulletin of Environmental Contamination and Toxicology : Volume 87, Issue 2, August 2011
Bulletin of Environmental Contamination and Toxicology : Volume 87, Issue 1, July 2011
Bulletin of Environmental Contamination and Toxicology : Volume 86
Bulletin of Environmental Contamination and Toxicology : Volume 85
Bulletin of Environmental Contamination and Toxicology : Volume 84
Bulletin of Environmental Contamination and Toxicology : Volume 83
Bulletin of Environmental Contamination and Toxicology : Volume 82
Bulletin of Environmental Contamination and Toxicology : Volume 81
Bulletin of Environmental Contamination and Toxicology : Volume 80
Bulletin of Environmental Contamination and Toxicology : Volume 79
Bulletin of Environmental Contamination and Toxicology : Volume 78
Bulletin of Environmental Contamination and Toxicology : Volume 77
Bulletin of Environmental Contamination and Toxicology : Volume 76
Bulletin of Environmental Contamination and Toxicology : Volume 75
Bulletin of Environmental Contamination and Toxicology : Volume 74
Bulletin of Environmental Contamination and Toxicology : Volume 73
Bulletin of Environmental Contamination and Toxicology : Volume 72
Bulletin of Environmental Contamination and Toxicology : Volume 71
Bulletin of Environmental Contamination and Toxicology : Volume 70
Bulletin of Environmental Contamination and Toxicology : Volume 69
Bulletin of Environmental Contamination and Toxicology : Volume 68
Bulletin of Environmental Contamination and Toxicology : Volume 67
Bulletin of Environmental Contamination and Toxicology : Volume 66
Bulletin of Environmental Contamination and Toxicology : Volume 65
Bulletin of Environmental Contamination and Toxicology : Volume 64
Bulletin of Environmental Contamination and Toxicology : Volume 63
Bulletin of Environmental Contamination and Toxicology : Volume 62
Bulletin of Environmental Contamination and Toxicology : Volume 61
Bulletin of Environmental Contamination and Toxicology : Volume 60
Bulletin of Environmental Contamination and Toxicology : Volume 59
Bulletin of Environmental Contamination and Toxicology : Volume 58

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Air Mercury Contamination in the Gold Mining Town of Portovelo, Ecuador

Content Provider SpringerLink
Author González Carrasco, Víctor Velasquez Lopez, Patricio C. Olivero Verbel, Jesús Pájaro Castro, Nerlis
Copyright Year 2011
Abstract Portovelo is one of the oldest gold mining towns in Ecuador. Artisanal gold mining still uses mercury in the process of gold recovery. In this study, mercury concentrations in the air of Portovelo were evaluated. High mercury levels in the ambient were found in El Pache sector, where most gold mining processing plants are located. These varied between 2,356.7 ± 1,807.6 and 3,699.5 ± 1,225.3 ng/m3 during the rainy and dry seasons, respectively. Lower levels were detected in the urban (central) area of Portovelo, with 214.6 ± 43.7 ng/m3 in the rainy season and 574.2 ± 72.8 ng/m3 in the dry season, exceeding the Agency for Toxic Substances and Disease Registry minimum risk level of 200 ng/m3. Average mercury concentrations in exhaled air from miners, measured before and after amalgam burning ranged between 179–1,352 and 2,007–3,389 ng/m3, respectively. These data suggest Portovelo air is polluted with mercury and humans are being dangerously exposed. Therefore, strong actions must be undertaken to protect human and environmental health, including changing gold recovery systems.
Starting Page 250
Ending Page 253
Page Count 4
File Format PDF
ISSN 00074861
Journal Bulletin of Environmental Contamination and Toxicology
Volume Number 87
Issue Number 3
e-ISSN 14320800
Language English
Publisher Springer-Verlag
Publisher Date 2011-07-17
Publisher Place New York
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Mercury Artisanal-small-scale gold mining Amalgamation Southern Ecuador Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution Soil Science & Conservation Environmental Chemistry Pollution Environmental Health Ecotoxicology
Content Type Text
Resource Type Article
Subject Health, Toxicology and Mutagenesis Pollution Medicine Toxicology
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