风险评估国外咨询机构有哪些? the risk matrix is a tool that defines risks according to different levels of acceptability and required actions for an individual risk scenario. it is a combination of severity and frequency or probability. for the five categories affected (people, environment, assets, security and reputation) an identical matrix is used. four tiers are defined (acceptable-low-medium-high), high risks - requiring reduction - and acceptable risks for which no action is required. the medium and low tiers are to be used to define different risk reduction safeguarding methods to arrive at an acceptable level. 风险评估体系坐标系以风险发生几率为横坐标，以风险发生后的严重性为纵坐标。 发生几率分6类，分别为万年一次，千年一次，百年一次，10年一次，1年一次，不到一年一次。 风险的严重性共分5级，具体对应级别见分类表。 最终得出的风险评估后级别分为四类 绿色：可接受，表示无需任何改善措施 黄色：低风险，注意改善 橙色：中等风险，注意改善并降低到较低的可接受的风险层级。 红色：高风险，必须采取措施，减除风险 severity people1 environmental damage2 assets damage reputation damage3 security s5 1external fatality/several fatalities on site catastrophic off site damage 2 million international media attention international. attention s4 1 fatality/ several severe injuries off site release with long term clean-up 2 million national media attention/ official investigation fatal assault s3 severe injury off site release or on site release with long clean-up 500k local media attention/official investigation sabotage s2 reportable injury on site release/ site clean up/ permit violation 100k external complaint burglary s1 first aid spill 20k none trespass查看更多
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