00943nam a2200205Ia 450000100070000000500170000700800410002404000100006508200250007524500950010026000960019530000240029150400510031565000660036665000600043265000590049265000600055165000590061165000670067025119320160527185940.0011002e1999    dcu    gr     000 0 eng d  aPUCPR00221a344.730465bO15400aOccupational safety and health laws in the United States, Mexico, and Canadaban overview.  aWashington, D.C.bU.S. Dept. of Labor, Occupational Safety and Health Administrationc1999.  aviii, 85 p.c28 cm.  aIncludes bibliographical references and index. 0aIndustrial safetyxLaw and legislationzUnited States.2Local 0aIndustrial hygienexLaw and legislationzMexico.2Local 0aIndustrial safetyxLaw and legislationzMexico.2Local 0aIndustrial hygienexLaw and legislationzCanada.2Local 0aIndustrial safetyxLaw and legislationzCanada.2Local 0aIndustrial hygienexLaw and legislationzUnited States.2Local