rtk label printer

NFPA 704 Diamond Information: Blue Segment

Blue region - Health Hazard

The blue region of the RTK diamond indicates health hazard and may contain either a 0, 1, 2, 3 or 4. These numbers indicate the level of health exposure risk, and can be interpreted as follows:
  •  4  Very short exposure could cause death or major residual injury (e.g., hydrogen cyanide).
  •  3  Short exposure could cause serious temporary or residual injury (e.g., chlorine gas).
  •  2  Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g., chloroform).
  •  1  Exposure would cause irritation with only minor residual injury (e.g., turpentine).
  •  0  Poses no health hazard, no precautions necessary. (e.g., lanolin).

  • More information on the RED NFPA DIAMOND segment
  • More information on the NFPA DIAMOND YELLOW segment
  • More information on the NFPA DIAMOND WHITE segment