Conclusion: The benzene work in Heping Distract began to transfer from low concentration to high concentration, from paint industry to printing industry.

结论：和平区苯作业开始由较低浓度过渡到较高浓度，以油漆业为主过渡到以印刷业为主。

youdao

Some things may increase your risk, such as being exposed to large amounts of radiation and being exposed to certain chemicals at work, such as benzene.

有些因素可能会增加你患白血病的风险，比如暴露于大量的辐射和在工作中接触某些化学物质，如苯。

youdao

Benzene concentrations in work place were2 ~ 25times over hygienic standard.

工作场所苯等有机溶剂浓度超标2 ~ 25倍。

youdao

We live in a world that needs alternative forms of energy which are not hydrocarbon based, forms of energy that do not contaminate at every stage of their lifecycle, that do not place benzene and formaldehyde in our air, diesel fuel in our aquifers and more benzene and formaldehyde as we drive our kids to work.

FORBES: Can Gas 'Fracking' Pollute Groundwater? Unlikely.