In both the HMIG and HMIS systems, the fourth, white bar is used to indicate what Personal Protective Equipment (PPE) must be used in order to handle the material safely. A letter, often supplemented by icons or pictograms, is used to indicate what set of PPE should be used.
The University of Oregon introductory chemistry labs use a hybrid system to label materials. An NFPA diamond is used, but the white field is filled with a letter from the HMIG system. Posters placed at various points around the lab give a full description of the PPE symbols used.
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PPE Symbols Copyright © 1987, Lab Safety Supply Co. |
Symbol PPE Required Symbol PPE Required ------------------------ ------------------------ A Safety Glasses G Safety Glasses Gloves Vapor Respirator B Safety Glasses H Splash Goggles Gloves Gloves Apron Vapor Respirator C Safety Glasses I Safety Goggles Gloves Gloves Apron Dust and Vapor Respirator D Face Shield J Splash Goggles Gloves Gloves Apron Apron Dust and Vapor Respirator E Safety Glasses K Air-line Hood or Mask Gloves Gloves Dust Respirator Full Suit Boots F Safety Glasses X Ask supervisor or safety Gloves specialist for handling Apron instructions. Dust Respirator