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。

youdao

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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Cuben recovery processing; Wholesale and retail: Hardware (excluding fire watches), for electricity, chemical products (excluding hazardous chemicals), building materials, steel.

粗苯回收加工；批发零售：五金(含消防器材)交电，化工产品(含化学危险品)建筑材料，钢材。

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Cambridgeshire Fire Service's hazardous materials crew is monitoring the situation.

BBC: Wisbech factory workers treated after chemical spill

Fire officials said Thursday afternoon that a hazardous materials team will deal with a store of highly toxic pesticides that caught fire at a Laguna Farms property near the university, according the Ventura County Star.

NPR: Fire Forces Evacuation Of Campus, Homes In Calif.

Members of the Severn Area Rescue Association, a fire service rescue boat and a hazardous area response team assisted in the rescue after a 999 call.

BBC: Newport canoeists rescued from swollen River Wye