Saltar al contenido
PTI LATAMExplorar Portal
Seguridad

NOM-005-STPS (hazardous substances)

Mexican standard on safety for handling, transport and storage of hazardous chemical substances classified under the CRETIB system (Corrosive, Reactive, Explosive, Toxic, Inflammable, Biological). Requires: area signage, storage compatibility matrices (no oxidizers near flammables), SDS availability, spill containment, ventilation and specific PPE by risk class. Covers both routine handling and emergency response procedures.

What you need to know

  • Mexican standard on safety for handling, transport and storage of hazardous chemical substances classified under the CRETIB system (Corrosive, Reactive, Explosive, Toxic, Inflammable, Biological).
  • Requires: area signage, storage compatibility matrices (no oxidizers near flammables), SDS availability, spill containment, ventilation and specific PPE by risk class.
  • Covers both routine handling and emergency response procedures.

Full definition

The NOM-005-STPS is a crucial Mexican standard that outlines safety protocols for the handling, transport, and storage of hazardous substances. This standard specifically addresses chemicals classified under the CRETIB system, which includes corrosive, reactive, explosive, toxic, inflammable, and biological substances. Compliance with NOM-005-STPS ensures that organizations implement necessary safety measures to protect workers and the environment from the risks associated with these hazardous materials. It emphasizes the importance of proper signage in work areas to alert employees to potential hazards, as well as the use of storage compatibility matrices to prevent dangerous reactions. For instance, it mandates that oxidizers must not be stored near flammable substances to minimize the risk of accidents.

Another critical aspect of NOM-005-STPS is the requirement for Safety Data Sheets (SDS) to be readily available to all employees handling hazardous materials. These documents provide essential information on the properties of each substance, including handling procedures, potential hazards, and emergency response measures. The standard also outlines spill containment measures, ensuring that appropriate protocols are in place to quickly address any accidental releases of hazardous materials. Furthermore, the standard specifies the need for adequate ventilation in areas where hazardous substances are handled to reduce the risk of inhalation exposure.

Personal Protective Equipment (PPE) tailored to the risk class of the substances being handled is another vital requirement of NOM-005-STPS. Employers must provide the necessary PPE, such as gloves, goggles, respirators, and protective clothing, to ensure that workers are adequately protected from potential exposure. The standard not only covers routine handling practices but also emphasizes the importance of emergency response procedures to manage incidents effectively when they occur. By adhering to NOM-005-STPS, organizations not only comply with legal requirements but also promote a culture of safety and responsibility in the workplace.

What you need to know

  • What you need to know: NOM-005-STPS outlines safety protocols for handling hazardous substances classified under the CRETIB system.
  • It mandates area signage to alert workers to potential hazards and compatibility matrices to prevent dangerous chemical reactions.
  • Safety Data Sheets (SDS) must be available for all hazardous substances handled, detailing their properties and emergency procedures.
  • Adequate ventilation and spill containment measures are required to minimize exposure and environmental impact.
  • Employers must provide appropriate PPE based on the risk class of substances, ensuring worker safety.

Industrial applications

  • 1Chemical manufacturing facilities must comply with NOM-005-STPS to ensure safe handling of reactive and toxic substances.
  • 2Laboratories handling biological agents implement safety protocols under NOM-005-STPS for worker protection and environmental safety.
  • 3Pharmaceutical companies utilize NOM-005-STPS guidelines for the storage and transport of hazardous raw materials.
  • 4Oil and gas industries apply the standard to manage flammable and corrosive substances during exploration and production.

Common mistakes

  • Failure to provide adequate training on the interpretation and application of Safety Data Sheets (SDS).
  • Inadequate spill containment measures that do not comply with NOM-005-STPS requirements.
  • Neglecting to update area signage and storage compatibility matrices as new substances are introduced.
  • Using improper PPE that does not match the risk class of the hazardous substances being handled.
💡

Pro tip

Regularly review and update safety protocols to ensure compliance with NOM-005-STPS as new chemicals are introduced into the workplace.

Technical standards

  • NOM-005-STPS: Mexican standard for the safe handling of hazardous substances.

Suppliers of safety products in Mexico