NR26 – Safety Signs

(Ordinance MTP no. 2770 of September 5, 2022)

26.1  Objective

26.1.1 This Regulatory Standard (NR) establishes the measures for safety signs and markings to be used in workplaces.

26.2  Scope

26.2.1 The preventive measures in this NR apply to establishments or workplaces.

26.3  Color codes

26.3.1 Colors shall be used for safety communication in establishments or workplaces to indicate and warn of existing hazards and risks.

26.3.2 Colours used to identify safety equipment, to demarcate areas, to identify pipes carrying liquids and gases and to warn of hazards shall conform to official technical standards.

26.3.3 The use of colors does not exempt the use of other forms of accident prevention.

26.3.4 The use of colour shall be kept to a minimum so as not to distract, confuse or fatigue workers.

26.4  Chemical product identification

26.4.1 Classification Chemicals used in the workplace shall be classified with respect to their hazards to workers’ health and safety in accordance with the criteria established by the United Nations Globally Harmonized System of Classification and Labelling of Chemicals (GHS). The classification of dangerous substances shall be based on a harmonized classification list or on the tests required by the classification procedure. In the absence of a national harmonized classification list of hazardous substances, an international list may be used. Aspects relating to classification shall comply with the provisions of an official technical standard.

26.4.2 Labelling Labeling is a set of elements containing written, printed or graphic information on a chemical product which must be affixed, printed or attached to the packaging containing the product. Aspects relating to labelling shall comply with the provisions of an official technical standard. Labelling of chemical products classified as hazardous to the safety and health of workers shall follow the procedures defined in the GHS and shall include the following elements:

a) identifier and composition of the chemical product;

b) hazard pictograms;

c) signal word;

d) hazard statements;

e) precautionary statements; and

f) supplemental  information. Chemical products not classified as hazardous to the safety and health of workers according to the GHS shall have a simplified label containing at least the name, information that the product is not classified as hazardous and precautionary recommendations. Products notified or registered with the National Health Surveillance Agency (ANVISA) as disinfectants are exempt from the labeling requirements established in items, and

26.4.3 Safety data sheet The manufacturer or, in the case of imports, the supplier on the domestic market, shall prepare and make available a material safety data sheet for each chemical classified as hazardous. The format and content of the material safety data sheet shall be as specified in the GHS. In the case of a mixture, the name and concentration or range of concentrations of the following substances shall be specified on the safety data sheet:

a) which are hazardous to the health of workers if present in a concentration equal to or greater than the cut-off values/concentration limits established by the GHS for each hazard class/category; and

b) for which occupational exposure limits have been established. The aspects of the safety data sheet shall comply with the provisions of an official technical standard. The provisions of also apply to chemical products that are not classified as hazardous but whose intended or recommended use poses a risk to the safety and health of workers.

26.5  Hazar communication training

26.5.1 The organization shall ensure that workers have access to safety data sheets for the chemicals they use in the workplace.

26.5.2 Workers shall be trained on:

a) understanding the labels and safety data sheets for the chemical; and

the hazards, risks, preventive measures for safe use and procedures for dealing with emergencies involving the chemical.