Examples range from contamination of the food or water supply, to high levels of air or noise pollution, a chemical accident, a disease outbreak or a natural disaster.
这方面例子的范围包括从食物或水供应的污染，到空气或噪音高度污染、化学事故、疾病暴发或自然灾害。
2
Product in registered establishments is sometimes exposed to chemical contamination as a result of an accident in the plant, such as a fire, ammonia leak, or burst hydraulic line.
有时工厂中的事故如火灾、氨水泄漏或爆裂的水管会导致注册场所中的产品接触到化学污染物。
3
With the progress in time, this disposal site has become a hidden trouble having a potential to cause a major contaminationaccident, which would lead to the worst social impact.