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The Globally Harmonized System of Classification and Labelling of Chemicals (GHS) has not been adopted by OSHA, but it has the potential to impact the format of every safety data sheet (SDS) used in commerce today. This preliminary investigation attempts to investigate the impact of the use of hazard and precautionary symbols on SDS. Participants w...
Context in source publication
Context 1
... symbols were placed in Section 2. Hazard identification above the signal word used on the label. The hazard symbols were 2 cm wide and 2 cm tall, similar to Figure 1. Precautionary symbols were placed in Section 8. Exposure controls/personal protection immediately preceding the individual protection measures. ...
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Citations
... These pictograms are considered important to warnings in the U.S. [2] and essential in Europe and other international locations [3]. They may be used in the workplace to alert workers to environmental or process hazards, on consumer products to reinforce safe operation to users, or on chemicals using the newly adopted globally harmonized system (GHS) to make those exposed to the chemicals aware of the risks [4][5][6][7]. While there is much need for quality symbols, there continues to be a lack of means to consistently produce symbols that are comprehendible and effective for a diverse set of users [8]. ...
Warning symbols communicate hazard information pictorially to supplement or even replace text. During symbol refinement, many similar candidate pictograms may be shown simultaneously to participant evaluators. There is concern when too many pictograms are displayed at once, participants may not always evaluate adequately each candidate before moving to the next set. This is of special concern for symbol design using interactive evolutionary computation because, as the duration of the evaluation period increases, candidate pictograms grow more similar while the recognition of small differences between candidates becomes increasingly important. This study uses eye tracking to evaluate 3x3, 3x4, 3x5, 4x5, and 5x5 display grids of symbol candidates for fixation duration and gaze pattern. Position of pictogram candidates was selected at random, and the order in which evaluators viewed the sets of candidates was randomized between each of the 27 participants. Results revealed that as the number of symbols displayed increases, so also does the number of symbols completely overlooked by the participant evaluators. Symbol grid sizes of 3x4, 3x5 or 4x5 (12-20 symbols) appear to balance the trade-off between speed and accuracy the best.
