Workshop on the Development of a Chemical Substance

Inventory for Mexico

September 2007

MEXICAN OFFICIAL STANDARDNOM-010-STPS-1999

SAFETY AND HYGIENE CONDITIONS FOR WORKPLACES WHERE CHEMICAL

SUBSTANCES CAPABLE OF GENERATING OCCUPATIONAL POLLUTION ARE

HANDLED, TRANSPORTED, PROCESSED OR STORED

Objective

To establish measures to prevent harm to the health of workers exposed to chemicals polluting the occupational environment, and to establish the maximum allowable limits of occupational exposure at workplaces where chemicals are handled, transported, processed or stored, which are capable of contaminating the workplace environment and affecting worker health due to their properties, concentration levels and time ofexposure.

CRITERIA

NOM-010-STPS-1999

Rat(Oral route)

DL50

Rabbit(Cutaneous route)

DL50

Rat(Respiratory route)

DL50

NOM-018-STPS-2000

SYSTEM FOR IDENTIFYING AND COMMUNICATING HAZARDS AND RISKS DUE

TO HAZARDOUS CHEMICALS AT THE WORKPLACE

OBJECTIVE

To establish the minimum requirements for a system to identify and communicate hazards and risks associated with chemicals capable of affecting worker health or damaging the workplace by reason of their physical or chemical characteristics, toxicity, concentration and time of exposure.

RISK TO HEALTH

RISK OF REACTIVITY

RISK OF FLAMMABILITY

CRITERIA

NOM-018-STPS-1999

MEXICAN OFFICIAL STANDARD NOM-028-STPS-2004

WORKPLACE ORGANIZATION —SAFETY IN CHEMICAL PROCESSING

Objective

To establish the elements to organize safety in the processing of chemicals, to prevent major

accidents and protect workers and the workplace from harm.

Threshold—reporting quantity: the quantity at or above which chemicals listed in Appendix A are present or available at the workplace.

NOM-010-STPS-1999

561

NOM-018-STPS

931

NOM-028-STPS

167

LISTS OF SUBSTANCES

Subsecretaría del Trabajo, Seguridad y Previsión Social

Dirección General de Seguridad y Salud en el Trabajo

Valencia No. 36, 2° pisoColonia Insurgentes Mixcoac

Delegación Benito Juárez, C.P. 03920México, D.F.

Tel: 30 00 32 98

e-mail jzepeda@stps.gob.mxwebpage http://www.stps.gob.mx

Ing. Jesús Zepeda VeraSubdirector de Normas de Salud en el Trabajo

THANKS TO