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Community-directed risk assessment of mercury exposure from gold mining in Suriname

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Date
2007
Author
Peplow, Daniel
Augustine, Sarah
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Abstract
OBJECTIVES: The overarching objective of this project was to support the indigenous people in Kwakoegron, Suriname, in self-diagnosis of public and environmental health problems. The specific objectives, defined by the people of Kwakoegron were: (1) to determine for themselves if they are at risk of exposure to mercury (Hg) contamination, (2) to measure the extent of the Hg contamination problem, and (3) to initiate an intervention plan. METHODS: Field work was conducted from June 2005 to April 2006. Community members were trained to collect hair samples for analysis using methods designed to maximize sample quality and consistency and minimize cross-contamination. Each hair sample, of approximately 20 mg, was weighed, added to the sample boat, and analyzed immediately without preservation or storage. Technicians educated in analytical chemistry and trained in the operation of the portable Lumex Zeeman Hg analyzer measured the total Hg (THg) for each hair sample. Confidential meetings were held with each person sampled and any questions were answered. Afterwards, a community meeting was held to reflect on the process, outcome, and future needs. RESULTS: Hair samples from 16 of the 22 participants had Hg levels of 2.2-20.2 µg/g THg, exceeding normal THg levels for hair (2 µg/g THg). During the confidential, individual meetings and the followup community meeting, information was shared regarding the Hg levels found, what the numbers meant scientifically, what the potential health effects could be, and how exposure levels might be brought down. At the conclusion of the followup meeting, the Kwakoegron community proposed an intervention plan that had three principle parts: (1) routine analysis of Hg exposure to monitor trends and track the effects of exposure-reduction efforts; (2) routine health assessments to determine the effects of Hg exposure, particularly in children less than 5 years of age; and (3) fish advisories based on fish biology...(AU)
 
OBJETIVOS: El objetivo central de este proyecto fue apoyar al pueblo indígena de Kwakoegron, Suriname, a hacer su propio diagnóstico de los problemas de salud pública y ambiental. Los objetivos específicos, definidos por la población de Kwakoegron fueron: 1) determinar por sí mismos si están en riesgo de exposición a la contaminación por mercurio (Hg), 2) medir la magnitud del problema de la contaminación con Hg, y 3) comenzar un plan de intervención. MÉTODOS: El trabajo de campo se realizó entre junio de 2005 y abril de 2006. Se entrenó a miembros de la comunidad para tomar muestras de pelo para el análisis mediante métodos diseñados para optimizar la calidad y la consistencia de la muestra y minimizar la contaminación cruzada. Cada muestra de pelo, de aproximadamente 20 mg, se pesó, se colocó en el bote de muestras y se analizó inmediatamente sin conservar o almacenar. Un técnico en química analítica entrenado en la operación del analizador portátil de Hg de Lumex Zeeman midió el Hg total (THg) de cada muestra de pelo. Se realizaron conversaciones confidenciales con cada persona muestreada y se respondieron sus dudas. Luego se realizó una reunión con la comunidad para exponer el proceso, los resultados y las necesidades futuras. RESULTADOS: Las muestras de 16 de los 22 participantes tenían niveles de THg de 2,2-20,2 mg/g, superiores a los niveles normales de THg en pelo (2 mg/g). En las conversaciones confidenciales individuales y en la reunión de seguimiento con la comunidad, se informó sobre los niveles de Hg encontrados, su significado desde el punto de vista científico, los posibles efectos para la salud y cómo se pueden reducir los niveles de exposición. En las conclusiones de la reunión de seguimiento, la comunidad de Kwakoegron propuso un plan de intervención que contaba con tres partes principales: 1) análisis periódicos de la exposición al Hg para monitorear la tendencia y los esfuerzos hechos para reducir la exposición; 2)...(AU)
 
Series
Rev Panam Salud Publica;22(3),sep. 2007
Subject
Mercury; Risk assessment; Consumer participation; Suriname; Mercurio; Medición del Riesgo; Participación comunitaria; Suriname; Ouro; Intoxicação por Mercúrio; Mineração; Exposição Ocupacional; Serviços de Saúde Comunitária; Cabelo; Mercúrio; Exposição Ocupacional; Medição de Risco; Suriname
URI
http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892007000800007
https://iris.paho.org/handle/10665.2/7781
Citation
Peplow, Daniel,Augustine, Sarah (2007) Community-directed risk assessment of mercury exposure from gold mining in Suriname. Rev Panam Salud Publica;22(3) 202-210,sep. 2007. Retrieved from http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S1020-49892007000800007
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