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Laboratory Technicians’ Use and Interpretation of Hazard Communication Elements on Chemical Labels
ACS Chemical Health & Safety ( IF 2.9 ) Pub Date : 2021-04-21 , DOI: 10.1021/acs.chas.0c00125 Celso A. Rossete 1 , Marcela G. Ribeiro 1
ACS Chemical Health & Safety ( IF 2.9 ) Pub Date : 2021-04-21 , DOI: 10.1021/acs.chas.0c00125 Celso A. Rossete 1 , Marcela G. Ribeiro 1
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Laboratory technicians are the backbone of academic research and teaching laboratories, undertaking many tasks such as keeping the chemical inventory up to date, which includes systematic identification and categorization of chemical hazards, the first step to assess and minimize risks from chemicals. This study assessed whether laboratory technicians in higher education institutions recognize and understand the hazard information conveyed on chemical labels, standardized by the Globally Harmonized System for the Classification and Labeling of Chemicals (GHS), through a questionnaire based on labels of frequently used chemicals. Pictograms were free and promptly recalled and the most common noticed element. However, only 5 of 9 pictograms were satisfactorily explained by the participants. Those pictograms with greater semantic distance between what the symbol depicts and the function it represents were poorly interpreted. When asked to identify chemicals belonging to a specific hazard class using the elements displayed on the labels, the number of correct answers increased due to the presence of the H-statements in the labels. Although occupying intermediate positions in both recall and sequence of reading, H-statements are concrete written messages that helped participants identify the chemical hazard. Technicians did not understand the implicit meaning associated with signal words nor did they recognize it as a hazard communication element, as suggested by the bottom rank position in both recall and sequence of reading. Although possessing a good educational level, technicians did not have enough knowledge regarding GHS hazard communication elements displayed on the labels, compromising the hazard and risk assessment and management of chemicals.
中文翻译：
实验室技术员在化学标签上对危害性通讯元件的使用和解释
实验室技术人员是学术研究和教学实验室的骨干，承担着许多任务，例如保持化学物质清单的最新状态，包括系统地识别和分类化学危害，这是评估和最大程度降低化学物质风险的第一步。这项研究通过基于经常使用的化学品标签的调查表，评估了高等院校的实验室技术人员是否认识并理解了化学品标签上传达的危害信息，该信息已通过《全球化学品分类和标签统一制度》（GHS）进行了标准化。象形图是免费的，并且可以立即召回，是最常见的注意元素。但是，参与者仅满意地解释了9个象形图中的5个。这些符号表示的符号与其表示的功能之间的语义距离较大的象形图解释得不好。当要求使用标签上显示的元素识别属于特定危险类别的化学药品时，由于标签中存在H语句，因此正确答案的数量增加了。尽管H陈述在回忆和阅读顺序中都处于中间位置，但H陈述是具体的书面信息，可以帮助参与者识别化学危险。技术人员既不理解与信号词相关的隐含含义，也没有将其识别为危险的交流要素，这在召回和阅读顺序中排在最后。虽然具有良好的教育水平，
更新日期：2021-05-24
中文翻译：
实验室技术员在化学标签上对危害性通讯元件的使用和解释
实验室技术人员是学术研究和教学实验室的骨干，承担着许多任务，例如保持化学物质清单的最新状态，包括系统地识别和分类化学危害，这是评估和最大程度降低化学物质风险的第一步。这项研究通过基于经常使用的化学品标签的调查表，评估了高等院校的实验室技术人员是否认识并理解了化学品标签上传达的危害信息，该信息已通过《全球化学品分类和标签统一制度》（GHS）进行了标准化。象形图是免费的，并且可以立即召回，是最常见的注意元素。但是，参与者仅满意地解释了9个象形图中的5个。这些符号表示的符号与其表示的功能之间的语义距离较大的象形图解释得不好。当要求使用标签上显示的元素识别属于特定危险类别的化学药品时，由于标签中存在H语句，因此正确答案的数量增加了。尽管H陈述在回忆和阅读顺序中都处于中间位置，但H陈述是具体的书面信息，可以帮助参与者识别化学危险。技术人员既不理解与信号词相关的隐含含义，也没有将其识别为危险的交流要素，这在召回和阅读顺序中排在最后。虽然具有良好的教育水平，
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