In this regard, CCSA experts said that the revision of the identification of major dangerous sources of hazardous chemicals in the new edition mainly focuses on the following aspects.
First, the English translation of the “Identification of Major Hazardous Sources of Hazardous Chemicals” on the cover has changed. “Danger” has changed from “dangerous” to “hazardous”. According to experts’ explanation, the former refers to being in a dangerous state. Use be in danger), the latter means that the thing is harmful to me (the subject), and the danger is not known. Therefore, the hazardous ratio is more in line with the definition of "danger" in safety production.
Secondly, the standard is based on the original "Dangerous Goods Name List" (GB12268), "Chemical Classification, Warning Labels and Warning Description Safety Regulations" (GB20592-2006) into the "Chemical Classification and Labeling Specifications" series of national standards, GB30000.2, GB30000.5, etc., "Chemical Classification and Labeling Specification" is to determine the inherent hazard of a hazardous chemical by classification, and will be in the whole life cycle of production, storage, transportation, operation and use. This hazard is accurately communicated to workers, consumers and the public at the workplace through labels and safety data sheets to ensure that they understand the hazards and protective measures of the chemical and how to handle it safely in the event of an accident. This change means that it is necessary to be more meticulous and serious in the evaluation of major hazard identification, and it will also bring about a certain increase in workload.
In addition, according to expert analysis, the new standard also addresses the controversy of actual presence and the handling of mixtures. Previously, the industry has been controversial about whether the actual amount of hazardous chemicals is determined by existing quantity, facility limit or design maximum. The new standard clarifies that the actual amount of hazardous chemicals is determined according to the maximum amount of design. At the same time, the treatment of dangerous chemical mixtures is also clarified: if the mixture is in the same hazard category as its pure substance, it is considered pure and calculated as a whole; if the mixture is not in the same hazard category as its pure substance, it should be The hazard category considers the critical mass.
Finally, the new version of the standard supplements the grading indicators and calculation methods for major hazard sources. The “Hybridification Standards for the Supervision and Management of Major Hazardous Sources of Hazardous Chemicals (2015 Revision)” is integrated into the method of grading major hazard sources. The value of the turbidity gas correction coefficient varies, and the exposed personnel a correction factor, major hazard source and R value correspond. The relationship has not changed.www.wxytgas.com