34 Pa. Code § 309.4 – Hazard warning.

(a) Container labels shall provide a warning as to the specific nature of the hazard arising from the substance in the container.
(b) The hazard warning shall be given in conformity with one of the nationally recognized and accepted systems of providing warnings, and hazard warnings shall be consistent with one or more of the recognized systems throughout the workplace. Examples are:
1. (1) NFPA 704, Identification of the Fire Hazards of Materials.
2. (2) National Paint and Coatings Association: Hazardous Materials Identification System.
3. (3) American Society for Testing and Materials, Safety Alert Pictorial Chart.
4. (4) American National Standard Institute, Inc., for the Precautionary Labeling of Hazardous Industrial Chemicals.

Cross References

This section cited in 34 Pa. Code § 301.3 (relating to jurisdiction/exemptions); 34 Pa. Code § 309.2 (relating to information required on label); and 34 Pa. Code § 309.6 (relating to general conditions applying to labels).