permissible contamination

例句：

1. 1. The company is required to follow strict environmental regulations to prevent permissible contamination.
   该公司被要求遵守严格的环保法规，以防止可允许的污染。
2. 2.The government has implemented strict measures to control permissible contamination in the city.
   政府已经实施了严格的措施来控制城市中的可允许污染。
3. 3. The research team found that permissible contamination could have serious health impacts.
   研究小组发现，可允许的污染可能会对健康产生严重的影响。