Straws are widely utilized in paper mills in China. During the production, a lot of straw residues are produced, which will result in environmental pollution and be fire-hazardous.

我国造纸行业广泛采用草类制浆造纸，生产过程中会产生大量麦草废弃物，既污染环境，又易引发火灾。

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As there was no evidence that hazardous waste was buried at the mine, investigators speculate that the source of dioxins may be natural, perhaps due to a prehistoric forest fire.

由于没有证据表明该矿埋有危险废物，调查者认为该例二恶英的来源可能是一个自然过程，也许归因于史前森林大火。

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Storage for hazardous materials and fuel must be in a secure place with proper fire protection facilities.

存放危险品和燃料的库房要有相仿设施。

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It was originally thought the spill involved about 3, 000 litres of a chemical liquid, but the fire service said it was 775 litres of non-hazardous petroleum distillates.

BBC: Chemicals on M25