Cananea copper mine: An international effort to improve hazardous working conditions in Mexico

Ingrid X. Zubieta, Garrett Brown, Robert Cohen, Enrique Medina

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A team of international occupational health and safety professionals evaluated the working conditions and health status of miners at a giant open-pit copper mine in Cananea, Mexico. Workers in the ore processing plants were exposed to levels of crystalline silica 10 times the Mexican regulatory limit, high levels of acid mist and noise, and numerous safety hazards, including unguarded machinery and malfunctioning 10- and 15-ton cranes. Lung function testing and interviews with physicians showed a substantial percentage of miners with adverse respiratory symptoms including shortness of breath (46%), wheezing (12%), coughing (12%), and elevated sputum production (10%). The mine owner, Grupo Mexico, violated Mexican law by failing to conduct an industrial hygiene survey sufficient to identify, evaluate, and control health hazards including exposure to mineral dust (including silica), acid mists, airborne solvents, high noise levels, high vibration levels, and extreme temperatures.

Original languageEnglish (US)
Pages (from-to)14-20
Number of pages7
JournalInternational Journal of Occupational and Environmental Health
Volume15
Issue number1
DOIs
StatePublished - Jan 1 2009

Keywords

  • International OHS
  • Mexico
  • Mine operations
  • Respiratory illnesses
  • Silica exposure

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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