1899 Asarco founded 1914 Ruston plant unionized by WFM 1916 WFM becomes Mine-Mill--rechartered in 1933 1963Pinto mortality study 1967Mine-Mill merges with Steelworkers 1972Elevated blood-lead levels in Ruston, El Paso 1983Ruston declared part of Tacoma Superfund 1986 Ruston smelter closes 1995 Copper Basin Coalition class action suit 1998EPA--hazardous waste incineration in El Paso 2004Get the Lead Out Coalition forms in El Paso 2005Asarco declares bankruptcy 2007Steelworkers/Asarco labor contract 2007 EPA asks for NPL listing for Hayden, Arizona Labor/Health Chronology
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