office (662) 214-53-50
fax (662) 210-70-30
email: hermosillo@harco.com.mx

Secretara de Estado   www.stps.gob.mx

 

Asociacion de Ingenieros de Minas, Metalurgistas y Geologos de Mexico A.C. 

 

 www.geomin.com.mx

 

Internacional
OSHA Occupational Safety and Health Administration    www.osha.gov

 

               

National Fire Protection Association (NFPA) logoNational Fire Protection Association      www.nfpa.org

 

 
   NATIONAL SAFETY COUNCIL             www.nsc.org

 
          www.ansi.org

 

 
[logo] US EPA          www.epa.gov

 
 

   www.ul.com

 
NIOSH National Institute for Occupational Safety and Health     www.cdc.gov/niosh

 
ASTM American Society for Testing and Materials         www.astm.org